UTSA Nanophotonics and Laser Materials Research Laboratory

UTSA Biophotonics Research and Imaging Laboratory

Publications

 

2017

168. F.J. Pedraza, C. Rightsell, G.A. Kumar, J. Giuliani, C. Monton, and D.K. Sardar, “Emission enhancement through Nd3+-Yb3+ energy transfer in multifunctional NaGdF4 nanocrystals,” Applied Physics Letters 110, 223107 (2017). [PDF] [Supplementary Material]

167. S. Karthi, G.A. Kumar, D.K. Sardar, G.C. Dannangoda, K.S. Martirosyan, E.K. Girija, “Fluorapatite coated iron oxide nanostructure for biomedical applications,” Materials Chemistry and Physics 193, 356-363 (2017). [PDF]

166. Avijit Pramanik, Stacy Jones, Francisco Pedraza, Aruna Vangara, Carrie Sweet, Mariah S. Williams, Vikram Ruppa-Kasani, Sean Edward Risher, Dhiraj Sardar, and Paresh Chandra Ray, “Fluorescent, Magnetic Multifunctional Carbon Dots for Selective Separation, Identification, and Eradication of Drug-Resistant Superbugs,” ACS Omega 2, 554-562 (2017). [PDF]

165. K. Gayathri, G.A.Kumar, Solange Ivette Rivera-Manrique, C.Santhosh, and Dhiraj K. Sardar, “Optical characterization of infrared emitting Nd3+ doped hydroxyapatite nanoparticles prepared by hydrothermal method,” Journal ofLuminescence 185, 180-186 (2017). [PDF]

164. L. Christopher Mimun, G. Ajithkumar, Chris Rightsell, Brian W. Langloss,
Michael J. Therien, Dhiraj K. Sardar, “Synthesis and characterization of Na(Gd0.5Lu0.5)F4: Nd3þ,a core-shell free multifunctional contrast agent,” Journal of Alloys and Compounds 695, 280-285 (2017). [PDF]

2016

163. Francisco J Pedraza, Julio C Avalos, Brian G Yust, Andrew Tsin, and
Dhiraj K Sardar, “Effect of surface coating of KYb2F7:Tm3+ on optical properties and biomedical applications,” Nanotechnology 27, 385601-385609 (2016). [PDF]

162. G.A. Kumar, D.-X. Liu, Y. Tian, M.G. Brik, D.K. Sardar, “5d–4f emission of Eu2+ and electron-vibrational interaction in several alkaline earth sulfides doped with Eu2+ and Er3+,” Optical Materials 50, 199-203 (2016). [PDF]

161. S. Karthi, G. Suresh Kumar, G.A. Kumar, D.K. Sardar, C. Santhosh, E.K. Girija, “Microwave assisted synthesis and characterizations of near infrared
emitting Yb/Er doped fluorapatite nanoparticles,” Journal of Alloys and Compounds 689, 525-532 (2016). [PDF]

160. G.G. Demirkhanyan,E.P. Kokanyan, H.G. Demirkhanyan, Dhiraj K. Sardar, and M. Aillerie, “Crystal LiNbO3-Ho3+: Material for Optical Cooling,” Journal of Contemporary Physics 51, 28-34 (2016). [PDF]

159. G.A. Kumar, Chamath Dannangoda, Nicolas R. Balli, Karen S. Martirosyan, M. Kailasnath, L. Christopher Mimun, C. Santhosh, Dhiraj K. Sardar, “Spectroscopic and magnetic properties of neodymium doped in GdPO4 sub-micron-stars prepared by solvothermal method,” Journal of Alloys and Compounds 672, 668–673 (2016). [PDF]

158. Zhong Mei, Ashish Dhanale, Ajithkumar Gangaharan, Dhiraj Kumar Sardar, Liang Tang, “Water dispersion of magnetic nanoparticles with selective Biofunctionality for enhanced plasmonic biosensing,” Talanta, doi:10.1016/j.talanta.2016.01.007, (2016). [PDF]

157. N. Saltmarsh, G. A. Kumar, M. Kailasnath, Vittal Shenoy, C. Santhosh, and D. K. Sardar, “Spectroscopic characterizations of Er doped LaPO4 submicron phosphors preparedby homogeneous precipitation method,” Optical Materials, 53, 24-29 (2016). [PDF]

156. Praveen Devangad, V. K. Unnikrishnan, Rajesh Nayak, M. M. Tamboli, K. M. Muhammed Shameem, C. Santhosh, G. A. Kumar, and D. K. Sardar, “Performance evaluation of Laser Induced Breakdown Spectroscopy (LIBS) for quantitative analysis of rare earth elements in phosphate glasses,” Optical Materials, 52, 32-37 (2016). [PDF]

2015

155. G.A. Kumar, D.-X. Liu, Y. Tian, M.G. Brik, D.K. Sardar, “5d–4f emission of Eu2+ and electron-vibrational interaction in several alkaline earth sulfides doped with Eu2+ and Er3+,” Optical Materials, 50,199-203 (2015). [PDF]

154. M. Pokhrel, G. A. Kumar, C.-G. Ma, M. G. Brik, Brian W. Langloss, Ian N. Stanton, Michael J. Therien, D. K. Sardar, and Yuanbing Mao, “Electronic and Optical Properties of Er-doped Y2O2S Phosphors,” Journal of Materials Chemistry C, 3,11486-11496 (2015). [PDF]

153. Ovanesyan, Zaven; Mimun, L. Christopher; Ajith Kumar, Gangadharan; Yust, Brian; Dannangoda, Chamath; Martirosyan, Karen; Sardar, Dhiraj, "Depth-Resolved Multispectral Sub-Surface Imaging Using Multifunctional Upconversion Phosphors with Paramagnetic Properties" ACS Applied Materials & Interfaces, DOI:10.1021/acsami.5b06491 (2015).[PDF]

152. Viraka Nellore, Bhanu Priya; Kanchanapally, Rajashekhar; Pedraza, Francisco; Sinha, Sudarson; Pramanik, Avijit; Hamme, Ashton; Arslan, Zikri; Sardar, Dhiraj; Ray, Paresh Chandra, "Bio-Conjugated CNT Bridged 3D porous  Graphene Oxide Membrane for Highly Efficient Disinfection of Pathogenic Bacteria and  Removal of Toxic Metals from Water," ACS Applied Materials & Interfaces, DOI: 10.1021/acsami.5b05012 (2015).[PDF]

151. Yongliang Shi, Avijit Pramanik, Christine Tchounwou, Francisco Pedraza, Rebecca.A. Crouch, Suhash Reddy Chavva,† Aruna Vangara, Sudarson Sekhar Sinha, Stacy Jones, Dhiraj Sardar, Craig Hawker, and Paresh Chandra Ray, “Multifunctional Biocompatible Graphene Oxide Quantum Dots Decorated Magnetic Nanoplatform for Efficient Capture and Two-Photon Imaging of Rare Tumor Cells,” ACS Appl. Mater. Interfaces, DOI: 10.1021/acsami.5b02199 (2015). [PDF]

150. Rajashekhar Kanchanapally, Bhanu Priya Viraka Nellore, Sudarson Sekhar Sinha, Francisco Pedraza*, Stacy J. Jones, Avijit Pramanik, Suhash Reddy Chavva, Christine Tchounwou, Yongliang Shi, Aruna Vangara, Dhiraj Sardar and Paresh Chandra Ray, “Antimicrobial Peptide-conjugated Graphene Oxide Membrane for Efficient Removal and Effective Killing of Multiple Drug Resistant Bacteria,” Royal Society of Chemistry, 5, 18881-18887, DOI: 10.1039/C5RA0132 RSC Adv. (February 24, 2015). [PDF]

149. Federico Gonzalez-Fernandez, Brandi Betts-Obregon, Brian Yust, Joshua Mimun, Dongjin Sung, Dhiraj Sardar, and Andrew T. Tsin, “Interphotoreceptor Retinoid-Binding Protein Protects Retinoids from Photodegradation,” Photochemistry and Photbiology, 91, 371-378, (2015). [PDF]

2014

148. Xianwen Zhang, Zhi Zhao, Xin Zhang,  David B. Cordesd, Brandon Weeks, Bensheng Qiu, Kailasnath Madanan, Dhiraj Sardar, and Jharna Chaudhuri, “Magnetic and Optical Properties of NaGdF4:Nd3+, Yb3+, Tm3+ Nanocrystals with Upconversion/Downconversion Luminescence from Visible to Near-Infrared Second Window,” Nano Research, DOI 10.1007/s12274-014-0548-2, (2014). [PDF]

147. Zhen Fan, Brian Yust, Bhanu Priya, Viraka Nellore, Sudarson Sekhar Sinha, Rajashekhar Kanchanapally, Rebecca A. Crouch, Avijit Pramanik, Suhash Reddy Chavva, Dhiraj Sardar, and Paresh Chandra Ray, “Accurate Identification and Selective Removal of Rotavirus Using a Plasmonic – Magnetic 3D Graphene Oxide Architecture,” Journal of Physical Chemistry Letters 5, 3216 – 3221, doi:10.1021/jz501402b (September 4, 2014).[PDF]

146. E. Barnes, N. H. O’Connell, N. R. Balli, M. Pokhrel, A. Movsesyan, E. Kokanyan and D. K. Sardar, “Suppression of optical damage at 532 nm in Holmium doped congruent lithium niobate,” Optics Express 22, 26222 – 26231, doi:10.1364/OE.22.026222 (October 17, 2014). [PDF]

145. Suhash Reddy Chavva, Avijit Pramanik, Bhanu Priya Viraka Nellore, Sudarson Sekhar Sinha, Brian Yust, Rajashekhar Kanchanapally, Zhen Fan, Rebecca A Crouch, Anant Kumar Singh, Bethany Neyland, Kimberly Robinson, Xuemei Dai, Dhiraj Sardar, Yuefeng Lu, and Paresh Chandra Ray, "Theranostic Graphene Oxide for Prostate Cancer Detection and Treatment", Particle & Particle Systems Characterization, DOI 10.1002/ppsc.201400143, (2014). [PDF]

144. M. Pokhrel, L.C. Mimun, G.A. Kumar, B. Yust, A. Dhanale, L. Tang and  D. K. Sardar, “Stokes Emission in GdF3:Nd3+ Nanoparticles for Bioimaging,” Nanoscale, 6, 1667-1674 (2014). [PDF]

2013

143. Ahmed, E. M., F. J. Barrera, E. A. Early, C. D. Clark, and D. K. Sardar, “Maxwell’s Equations-based Dynamic Laser-Tissue Interaction Model,” Computers in Biology and Medicine, 43, 2278-2286 (2013). [PDF]

142. V. K. Unnikrishnan, R. Nayak, P. Devangad, M. M. Tamboli, C. Santosh, G. A. Kumar, D. K. Sardar, “Calibration Based Laser-induced Breakdown Spectroscopy (LIBS) for Quantitative Analysis of Doped Rare Earth Elements in Phosphors,” Materials Letters, 107, 322-324 (2013). [PDF]

141. Mimun, L.C., Kumar, G.A., Pokhrel, M., Yust, B.G.,  Elliott, Z.G., Pedraza, F., Dhanale, A., Tang, L., Lin, A. L., Dravid, V. P., and Sardar, D.K., "Bimodal Imaging Using Neodymium Doped Gadolinium Fluoride Nanocrystals with Near-Infrared to Near-Infrared Downconversion Luminescence and Magnetic Resonance Properties", J. Mater. Chem. B, DOI: 10.1039/c3tb20905a (2013). [PDF]

140. Obregon, I., Betts-Obregon, B.S., Yust, B., Pedraza, F., Ortiz, A., Sardar, D.K., Tsin, A., "Effect of Silver Coating on Barium Titanium Oxide Nanoparticle Toxicity", Advanced Materials Research, Vol. 787, 44-407 (2013). [PDF]

139. M. Pokhrel, G. A. Kumar, and Sardar,  D.K., “Highly efficient NIR to NIR and VIS upconversion in Er3+ and Yb3+ doped in M2O2S (M = Gd, La, Y),” J. Mater. Chem. A DOI: 10.1039/C3TA12180A (2013). [PDF]

138. Kumar, G.A., Yoo, B., Goral, D. E., Hornsby, P., Lin, A.L., Ladiwala, U., Dravid, V.P., and Sardar, D.K., “Multimodal Bioimaging using a Rare Earth Doped Gd2O2S:Yb/Er Phosphor with Upconversion Luminescence and Magnetic Resonance Properties,” Journal of Materials Chemistry B, Vol. 1, 1561-1572 (2013). [PDF]

137. Kumar, G.A., Pokhrel, M., Sardar, D.K., " Absolute quantum yield measurements in Yb/Ho doped M2O2S (M=Y, Gd, La) yupconversion phosphor," Materials Letters, Vol. 98, 86-89 (2013). [PDF]

136. Pokhrel, M., Kumar, G.A., Sardar, D.K., " High upconversion quantum yield at low punp threshold in Er3+/Yb3+ doped La2O2S phosphor," Materials Letters, Vol. 99, 63-66 (2013). [PDF]

135. Barrera, F.J., Yust, B.G., Mimun, L.C., Nash, K.L., Sardar, D.K.,Tsin, A., "Optical and spectroscopic properties of human whole blood and plasma with and without Y2O3 and Nd3+:Y2O3 nanoparticles", Lasers in Medical Science, DOI: 10.1007/s10103-013-1268-7 (2013). [PDF]

134.Fan, Z., Sepati, D., Khan, S.A., Singh, A.K., Hamme, A., Yust, B., Sardar, D.K., Ray, P.C., "Popcorn shape magnetic core-plasmonic shell multifunctional nanoparticle for targeted magnetic separation & enrichment, label-free SERS imaging and photothermal destruction of multi drug resistance bacteria", Chemistry: A European Journal, Vol. 19, 2839-2847 (2013). [PDF]

2012

133. Yust, B.G., Razavi, N., Elliott, Z.G., Pedraza, F., Tsin, A.T., Sardar, D.K., "Enhancement of nontinear optical properties of BaTiO3 nanoparticles by the addition of silver seeds", Optics Express, Vol. 20, 26511-26520 (2012). [PDF]

132. Kumar, G.A., Pokhrel, M., Martinez, A., Sardar, D.K., "Synthesis and upconversion spectroscopy of Yb Er doped M2O2S (M = La, Gd, Y) phosphors," Science of Advanced Materials, Vol. 4, 5-6 (2012). [PDF]

131. Kumar, G.A., Yoo, B., Goral, D.E., Hornsby, P.J., Lin, A.L., Ladiwala, U., Dravid, V.P., Sardar, D.K., "Multimodal bioimaging using a rare earth doped Gd2O2S:Yb/Er phosphor with upconversion luminescence and magnetic resonance particles", J. Mat. Chem. B, Vol. 1, 1561-1575 (2012). [PDF]

130. Brik, M.G., Kumar, G.A., Sardar, D.K., "Ab initio, crystal field and experimental spectroscopic studies of pure and Ni2+-doped KZnF3 crystals", Materials Chemistry and Physics, Vol. 136, 90-102 (2012). [PDF]

129. Kumar, G.A., Pokhrel, M., Martinez, A., Sardar, D.K., "Synthesis and Upconversion Spectroscopy of Yb Er Doped M2O2S (M = La, Gd, Y) Phosphors", Science of Advanced Materials, Vol. 4, 623-630 (2012). [PDF]

128. Kumar, G.A., Pokhrel,M., Sardar, D.K., Samuel,P., Ueda, K.I., Yanagitani, T., Yagi, H., "2.1 μm Emission Spectral Properties of Tm and Ho Doped Transparent YAG Ceramic", Science of Advanced Materials, Vol. 4, 617-622 (2012). [PDF]

127. Pokhrel, M., Kumar, G.A., Balaji,S., Debnath,R., Sardar, D.K., "Optical characterization of Er3+ and Yb3+ co-doped barium fluorotellurite glass", Journal of Luminescence, Vol. 132, 1910-1916 (2012). [PDF]

126. Pokhrel, M., Kumar, G.A., Sardar, D.K., "Comparative studies of the spectroscopic properties of Nd3+:YAG nanocrystals, transparent ceramic and single crystal", Optical Materials Express, Vol. 2, 235-249 (2012). [PDF]

125. Kumar, G.A., Pokhrel, M., Sardar, D.K., "Intense visible and near infrared upconversion inM2O2S: Er (M=Y, Gd, La) phosphor under 1550 nm excitation", Materials Letters, 68, 395–398 (2012). [PDF]

124. Kumar, G.A., Pokhrel, M., Martinez, A., Dennis, R.C., Villegas, I.L., Sardar, D.K.,"Synthesis and spectroscopy of color tunable Y2O2S:Yb3+, Er3+ phosphors with
intense emission", Journal of Alloys and Compounds, 513, 559– 565 (2012). [PDF]

 

2011

 

123. Pokhrel, M., Kumar, G. A., Samuel, P., Ueda, K. I., Yanagitani,T., Yagi, H., and Sardar,D. K., "Infrared and Upconversion Spectroscopic Studies of High Er3+Content Transparent YAG Ceramic", Optical Materials Express, Vol. 1, 1272-1285 (2011). [PDF]

122. Chandra, S., Gruber, J. B., Burdick, G. W., Sardar, D. K., "Fabrication and Absorption Intensity Analyses of Er2O3 Nanoparticles Suspended in Polymethyl Methacrylate", Journal of Applied Polymer Science, Vol. 122, 289–295 (2011). [PDF]

121. Gruber, J. B., Vetter, U., Taniguch, T., Burdick, G. W., Hofsass, H., Chandra, S., and Sardar, D. K., “Spectroscopic Analysis of Eu3+ in Single-Crystal Hexagonal Phase AlN", Journal of Applied Physics, Vol. 110, 023104: 1-7 (2011).

120. Gruber, J. B., Burdick, G. W., Woodward3, N. T., Dierolf, V., Chandra, S., Sardar, D. K., “Crystal-field analysis and Zeeman splittings of energy levels of Nd3+(4f3) in GaN,” Journal Applied Physics (Accepted) (2011).

119. Pokhrel, M.*, Dennis, R. C.*, Nash, K. L., Sardar, D. K., Balaji, S., and Debnath, R., “Optical Characterization of Er3+/Yb3+ (co-doped) ions in a tellurite glass host,” J. Appl. Phys., (submitted) (2011). 

118. Yust, B., Mimun, L. C., and Sardar, D. K., “Optical absorption and scattering of bovine cornea, lens, and retina in the near-infrared region,” Lasers in Medical Science, DOI 10.1007/s10103-011-0927-9 (2011). [PDF]

117. Yang, J., Dennis, R. C., and Sardar, D. K., “Room-Temperature Synthesis of Flowerlike Ag Nanostructures Consisting of Single Ag Nanoplates”, Mater. Res. Bull. Vol. 46, 1080-1084 (2011). [PDF]

116. Gruber, J. B., Valiev, U. V., Burdick, G. W., Rakhimov, S. A., Pokhrel, M., and Sardar, D. K.,“Spectra, energy levels, and symmetry assignments for Stark components of Eu3+(4f6) in gadolinium gallium garnet (Gd3Ga5O12)". J.  Luminance, Online publication: doi:10.1016/j.jlumin.2011.03.057 (2011).[PDF]

115. Yang, J. and Sardar, D. K., “One-Pot Controllable Synthesis of Gold Nanostructures with Coral-, Faceted-, and Corolla-Shape in Aqueous Solution”, 14, 47-55 (2011). [PDF]

 

2010

 

114. Burdick, G. W., Gruber, J. B., Nash, K. L.,  Chandra, S., and Sardar, D. K., “Analyses of 4f11 Energy Levels and Transition Intensities Between Stark Levels of Er3+ in Y3Al5O12”, Spectroscopy Letters, 43: 5, 406 — 422 (2010). [PDF]

113. Gruber, J. B., Burdick, G. W., Chandra, S., and Sardar, D. K., “Analyses of the ultraviolet spectra of Er3+ in Er2O3 and Er3+ in Y2O3”, J. Appl. Phys. 108, 023109; doi:10.1063/1.3465615 (7 pages) Online Publication Date: 29 July 2010 [PDF]

112. Chandrasekharan, S. R.*, Deepak, F. L., Gruber, J. B., and Sardar, D. K., “Synthesis, Morphology, and Optical Characterization of Er3+:Y2O3”, J. Chem. Physics, (2010). [PDF]

 

2009


111. Gruber, J. B., Burdick, G., Valiev, U., Nash, K. L., Rakhimov, S., and Sardar, D. K.,“Energy Levels and Symmetry Assignments for Stark Components of Ho3+(4f10) in Yttrium Gallium Garnet (Y3Ga5O12),” J. Appl. Phys.,(2009). [PDF]

110. Nash, K. L.*, Dennis, R. C.*, Ray, N. J.*, Gruber, J. B., and Sardar, D. K., “Absorption Intensities, Emission Cross Sections and Crystal Field analysis of Selected Intermanifold Transitions of Ho3+ in Ho3+:Y2O3 Nanocrystals,” Journal of Applied Physics, Vol. 106, 063117: 1-8 (2009). [PDF]

109. Sardar, D. K., Yust, B. G., Barrera, F.*, Mimun, L. C.*, and Tsin, A. T. C., “Optical Absorption and scattering of Bovine Cornea, Lens and Retina in the Visible Region,” Lasers in Medical Sciences, DOI 10.1007/s10103-009-0677-0 (2009). [PDF]

108. Sardar, D. K., Chandrasekharan, S. R.*, and Gruber, J. B., “Preparation and Spectroscopic Characterization of Nd3+:Y2O3 Nanocrystals Suspended in Poly-Methyl Methacrylate (PMMA),” Journal of Applied Physics, Vol. 105, 093105: 1-8 (2009). [PDF]

107. Gagik, G. D., Demirkhanyan, A. G., Kokanyan, E. P., Kostanyan, R. B.,  Gruber, J. B., Nash, K. L.*, and Sardar, D. K., “Phonon Effects on Zero-phonon Transitions between Stark Levels in NaBi(WO4)2:Yb3+,” Journal of Applied Physics, Vol. 105, 063106: 1-7 (2009). [PDF]

106. Nash*, K. L., Dennis, R. C.*, Gruber, J. B., and Sardar, D. K., “Intensity Analysis and Energy-Level Modeling of Nd3+ in Nd3+:Y2O3 Nanocrystals in Polymeric Hosts,” Journal of Applied Physics, Journal of Applied Physics, Vol. 105, 033102: 1-6 (2009). [PDF]

105. Gruber, J. B., Sardar, D. K., Chandrasekharan, S. R.*, Valiev, U. V. Juraeva, N. I., Burdick, G. W., “Modeling Optical Spectra and Van Vleck Paramagnetism in Er3+:YAlO3,” Journal of Applied Physics, Vol. 104, 023112: 1-13 (2009). [PDF]

 

2008

 

104. Burdick, G. W., Gruber, J. B., Nash, K. L.*, Chandrasekharan, S.*, and Sardar, D. K., “Intensity Parameterizations for Electric-Dipole Transitions between Stark Components in Er3+:Y3Al5O12”, Journal of Alloys and Compounds; DOI: 10.10.1016/j.jallcom.2008.11.028. (2008). [PDF]

103. Valiev, U. V., Uzokov, A. A., Rakhimov, S. A.,  Gruber, J. B., Nash, K. L.*, Sardar, D. K., and Burdick, G. W., “Faraday Effect and Magnetic Susceptibility Analyses in TbAlO3,” Journal of Applied Physics, Vol. 104,  073903: 1-5 (2008). [PDF]

102. Sardar, D. K., Chandrasekharan, S. R.*, Nash, K. L.*, and Gruber, J. B., “Optical Intensity Analyses of Er3+:YAlO3,” Journal of Applied Physics, Vol. 104, 023102: 1-8 (2008). [PDF]

101. Gruber, J. B., Nash, K. L.*, Sardar, D. K., Valiev, U. V., Ter-Gabrielyan, N., and Merkle. L. D., “Modeling Optical Transitions of Er3+(4f11) in C2 and C3i Sites in Polycrystalline    . Y2O3,” Journal of Applied Physics, Vol. 104, 023101: 1-9 (2008). [PDF]

100. Gruber, J. B., Sardar, D. K., Nash, K. L.*, Valiev, U. V., Sokolov, V. Y., and Rakhimov, S. A., “Non-equilibrium population distribution in excited electronic states of Tb3+ in Y3Al5O12,” Journal of Applied Physics, Vol. 103, 103103: 1-6 (2008). [PDF]

99. Sardar, D. K., and Sayka, A.*, “Optical Properites of Trivalent Praseodymium Doped in a Polymeric Plastic Environment,” Controlled Environments – Contamination Control for Life Sciences and Microelectronics, Vol. 11, No. 6, 15-19 (2008). [PDF]

98. Sardar, D. K., Chandrasekharan, S. R.*, Nash, K. L.*, Gruber, J. B., Burger, A., and Roy, U. N., “Intensity Analysis and Crystal-Field Modeling of Ho3+:KPb2Cl5 host,” Journal of Applied Physics, Vol. 103, 093112: 1-8 (2008). [PDF]

97. Sardar, D. K., Nash, K. L.*, Yow, R.M.*, Gruber, J. B., Sayka, A.*, “Rare-Earth Doped Nanocrystals for Biosensing and Imaging,” Biophotonics International, Vol. 15, 45-48 (2008). [PDF]

96. Sardar, D. K., Yow, R. M.*, and Gruber, J. B., “Optical Absorption Intensities of Trivalent Erbium in a 2-Hydroxyethyl Methacrylate (HEMA) Polymeric Host,” Optical Materials, Vol. 30, 987-992 (2008). [PDF]

95. Gruber, J. B., Nash, K. L.*, Yow, R.M.*, Sardar, D. K., Valiev, U. V., Uzokov, A. A., and Burdick, G. W., “Spectroscopic and Magnetic Susceptibility Analyses of the 7FJ and 5D4 Energy Levels of Tb3+(4f8) in TbAlO3,” Journal Luminescence, Vol. 128, 1271-1284 (2008). [PDF]

 

   2007

 

94. Sardar, D.K., Sayka, A.*, and Yow, R.M.*, "Characterization of Optical Properites of Polyimide Precursors," Semiconductor Manufacturing, Vol. 8, Issue 1; Web Exclusive: (2007). [PDF]

93. Gruber, J. B., Sardar,  D. K., Yow, R. M.,Valiev, U. V., Mukhamadiev, A. K., Sokolov, V. Y., Amin, I., Lenguel, K., Kachur, I. S., Piryatinska, V. G., and Zandi, B., “Analysis of the Optical and Magneto-optical Spectra of Tb3Ga5O12,” Journal of Applied Physics, Vol. 101, 023108: 1-14 (2007). [PDF]

92. Valiev, U. V., Gruber, J. B., Sardar, D.K., Zandi, B., Kachur, I. S., Mukhammadiev, A. K., V. G. Piryatinskaya, V. Y. Sokolov, and I. S. Edel’man, “Zeeman Effect and Stark splitting of the Electronic States of the Rare-Earth Ion in the Paramagnetic Garnets Tb3Ga5O12 and        .  Tb3Al5O12,” Physics of the Solid State, Vol. 49, 91-98 (2006). [PDF]

91. Sardar, D.K., Swanland, G.Y.*, Yow, R.M.*, Thomas, R.J., and Tsin, A. T. C., “Optical Properites of Ocular Tissues in the Near Infrared Region,” Lasers in Medical Science, Vol. 22, 46 - 52 (2007). [PDF]

90. Gagik, G. D., Babajanyan, V. G., Kokanyan, E. P., Kostanyan, R .B., Gruber, J. B., Valiev, U. V., and Sardar, D. K., “Spectroscopic Properites of the NaBi(WO4)2:Yb3+ Crystal,” Optical Materials, Vol. 29, 1107 - 1110 (2007). [PDF]

89. Valiev, U. V., Gruber, J. B., Sardar, D. K., Mukhammadiev, A. K., Rakhimov, Sh. A., Sokolov, V. Yu., “Features of Magneto-optical Spectra in Tb3Ga5O12,” Optics and Spectroscopy, Vol. 102, 805-812 (2007). [PDF]

88. Gruber, J. B., Sardar, D. K., Nash, K. L.*, Yow, R. M.*, Gorski, W., and Zhang, M., “Spectral Analysis of Synthesized Nanocrystalline Aggregates of Er3+:Y2O3,” Journal of Applied Physics (accepted for publication) (2007). [PDF]

87. Sardar, D.K., Nash, K.L.*, Yow, R.M.*, and Gruber, J.B., “Optical Absorption Intensity Analysis and Emission Cross Sections for the Intermanifold Transition of Er3+(4f3) in Nanocrystalline Aggregates of Er3+:Y2O3,” Journal of Applied Physics, (accepted for publication) (2007). [PDF]

 

2006

 

86. Sardar, D.K., Douglas Dee*, K.L. Nash, K. L.*, Yow, R. M.*, and Gruber, J. B., “Optical Absorption Intensity Analysis and Emission Cross Sections for the Intermanifold and the Inter-Stark Transitions of Nd3+(4f3) in Polycrystalline Ceramic Y2O3,” Journal of Applied Physics,Vol. 100, 123106: 1-7 (2006). [PDF]

85. Sardar, D. K., Yow, R. M.*, Gruber, J. B., Allik, T. H., and Zandi, B., “Stark Components of Lower-lying Manifolds and Emission Cross Sections of Intermanifold and Inter-Stark Transitions of Nd3+(4f3) in Polycrystalline Ceramic Garnet Y3Al5O12,” Journal of Luminescence, Vol. 116, 145-150 (2006). [PDF]

84. G ruber, J.B., Sardar, D. K., Johnson, D. M., Yow, R .M.*, Coeckelenberg, C. H.*, Nijjar, A.*, “Ligand-field Splitting of the Energy Levels of Nd3+(4f3) in 2-Hydroxethyl Methacrylate Polymer (HEMA),” Polymer International, Vol. 55, 1007 - 1012 (2006). [PDF]

83. Gruber, J. B., Russell III, C .C., Nijjar, A., Yow, R. M., Zandi, B., Sardar, D. K., and Burger, A., “Modeling the Crystal-Field splitting of Energy Levels of Er3+(4f11) in Charge-compensated Sites of KPb2Cl5,” Journal of Applied Physics, Vol. 100, 043108: 1-6 (2006). [PDF]

82. Sardar, D.K., Yow, R .M.*, Swanland, G. Y., and Thomas, R .J., “Opitcal Properties of Ocular Tissues in the Near Infrared Region,” Lasers in Medical Science, Vol. Springer-Verlag, 1-7 (2006). [PDF]

81. Sardar, D.K., Nash, K. L.*, Yow, R. M.*, and Gruber, J. B., “Absorption Intensities and Emission Cross Sections of Tb3+(4f8) in TbAlO3,” Journal of Applied Physics, Journal of Applied Physics, Vol. 100, 083108: 1-5 (2006). [PDF]

80. Sardar, D.K., Nakade, R.*, Sayka, A.*, and Yow, R. M.*, "Efficient Cleaning of Silicon Wafers using Ultrasonic Technology," Controlled Environments - Contamination Control for Life Sciences and Microelectronics, Web ExClusive: 1-8 (2006). [PDF]

 

2005


79. Sardar, D.K., Yow, R. M.*, Tsin, A. T .C., and Sardar, R., “Optical Scattering, Absorption, Polarization Healthy and Neo-vascularized Human Retinal Tissues,” Journal of Biomedical Optics, (2005). [PDF]

78. Sardar, D. K., Salinas, F. S.*, Yow, R. M.*, and Tsin, A. T., “Polarization Characterization of Neo-vascularized Ocular Tissues,” Biophysical Journal, Vol. 89, 1-3 (2005). [PDF]

77. Sardar, D. K., Coeckelenberg, C.*, Yow, R .M.*, Gruber, J. B., and Allik, T. H., “Optical Absorption Intensities and Intermanifold Emission Cross Sections of Trivalent Erbium Ions in Calcium Fluorophosphate,” Journal of Applied Physics, Vol. 98, 033535(1) - 033535(6) (2005). [PDF

76. Gruber, J. B., Allik, T., Sardar, D. K., Scipsick, M., and Wechsler, B., “Crystal Growth and Spectroscopic Characterization of Yb3+:LiTaO3,” Journal of Luminescence, (2005). [PDF]

75. Bahram, Z., Gruber, J. B., Sardar, D. K., and Allik, T. H., “Modeling of Er in Ceramic YAG and Comparison with Single-Crystal YAG,” Laser Source and System Technology for Defence and Security, edited by G.L. Wood, Proceedings of SPIE – The International Society of Optical Engineering, Vol. 5792, 26 - 33 (2005). [PDF]

74. Sardar, D. K., Yow, R. M.*, Sayka, A.*, Coeckelenberg, C.*, and Gruber, J. B., “Spectroscopic analysis of Nd3+(4f3) Absorbtion Intensities in a plastic host (HEMA),” Polymer International Vol. 54, 412-417 (2005). [PDF]

73. Gruber, J. B., Nijjar, A. S.*, Sardar, D. K., Yow, R. M.*, Russell III, C. C.*, Zandi, B., and Allik, T. H., “Spectral Analysis and Energy-level Structure of Er3+(4f11) in Polycrystalline Ceramic Garnet Y3Al5O12,” Journal of Applied Physics, Vol. 97, 063519(1)- 063519(8) (2005). [PDF]

72. Sardar, D. K., Russell III, C. C.*, Gruber, J. B., and Allik, T. H., “Absorption Intensities and Emission Cross Sections of Principal Intermanifold and Inter-Stark Transitions of Er3+(4f11) in Polycrystalline Ceramic Garnet Y3Al5O12,” Journal of Applied Physics, Vol. 97, 123501:1-6 (2005). [PDF]

 

2004

 

71. Sardar, D. K., Salinas, F. S.*, Perez, J. C.*, and Tsin, A. T. C., “Optical Characterization of Bovine Retinal Tissues,” Journal of Biomedical Optics, Vol. 9, 624-631 (2004). [PDF]

70. Sardar, D. K., Bradley, W. M.*, Yow, R. M.*, Gruber, J .B., and Zandi, B., “Optical Transitions and Absorption Intensities of Dy3+(4f9) in YSGG laser Host,” Journal of Luminescence, Vol. 106, 195-203 (2004). [PDF]

69. Sardar, D. K., Russell III, C. C.*, Yow, R. M.*, Gruber, J. B., Zandi, B., and Kokanyan, E. P., “Spectroscopic Analysis of the Er3+(4f11) Absorption Intensities in NaBi(WO4)2,” Journal of Applied Physics, Vol. 95, 1180-1184 (2004). [PDF]

68. Sardar, D. K. and Russell III, C. C.*, “Optical Transitions, Absorption Intensities, and Inter-manifold Emission Cross-sections of Pr3+(4f2) in Ca5(PO4)3F Caser Host,” Journal of Applied Physics, Vol. 95, 5334-5339 (2004). [PDF]

67. Gruber, J. B., Sardar, D. K., Zandi, B., Merkle, L. D., and Kokanyan, E. P., “Modeling the Crystal-Field Splitting of the Energy Levels of Er3+ in Charge-Compensated Sites in Lithium Niobate” Physical Review B, Vol. 69, 195103(1)- 195103(10) (2004). [PDF]

66. Sardar, D. K., Sayka, A.*, and Yow, R. M.*, "Optical Characterization of Positive Deep UV Photoresist," Semiconductor International, Web ExClusive, ArtiCle ID:CA415043, 1-12 (2004). [PDF]

65. Gruber, J. B., Sardar, D. K., Russell III, C. C.*, Yow, R. M.*, and Allik, T. H., “Energy-Level Structure and Spectral Analysis of Nd3+(4f3) in Polycrystalline Ceramic Garnet Y3Al5O12,” Journal of Applied Physics, Vol. 96, 3050-3056 (2004). [PDF]

64. Merkle, L. D., Dubinsky, M., Zandi, B., Gruber, J. B., Sardar, D. K., and Kokanyan, E. P., “Spectroscopy of Potential Laser Material Yb3+(4f13) in NaBi(WO4)2,” Journal of Optical Materials, Vol. 27, 343-349 (2004). [PDF

63. Gruber, J. B., Sardar, D. K., Allik, T. H., and Zandi, B., “Spectra and Energy Levels       of  Nd3+(4f3) in Stoichiometric NdP5O14,” Journal of Optical Materials, Vol. 27, 351-358 (2004). [PDF]

62. Salinas, F. S.*, Sardar, D. K., Tsin, A. T., and Perez, J. C.*, “Optical Characterization of Healthy and Neo-vascularized Human Ocular Tissues,” Proceedings of SPIE – The International Society of Optical Engineering, Progress in Biomedical Optics and Imaging, Fabrice Manns, Per G. Soderberg, and Arthur Ho, Eds., Vol. 5314, 15 - 23 (2004). [PDF

61. Sardar, D. K. and Yow, R.L.*, “Mueller Matrix of Backscattered Light of a Chicken Embryo,” Proceedings of SPIE – The International Society of Optical Engineering, Progress in Biomedical Optics and Imaging, Fabrice Manns, Per G. Soderberg, and Arthur Ho, Eds., Vol. 5314, 10 - 14 (2004). [PDF]

 

2003 

 

60. Sardar, D. K., Gruber, J. B., Zandi, B., Hutchinson, J. A., and Trussell, C. W., “Judd-Ofelt Analysis of the Er3+(4f11) absorption intensities in Phosphate Glass: Er3+, Yb3+,” Journal of Applied Physics, Vol. 93, 2041-2046 (2003). [PDF]

59. Sardar, D .K., Bradley, W. M.*, Perez, J. C.*, Gruber, J. B., Zandi, B., Hutchinson, J. A., Trussell,C. W., and Kokta, M. R., “Judd-Ofelt Analysis of the Er3+(4f11) Absorption Intensities in Er3+-Doped Garnets,” Journal of Applied Physics, Vol. 93, 2602-2607 (2003). [PDF]

58. Gruber, J. B., Sardar, D. K., Zandi, B., Hutchinson, J. A., and Trussell, C. W., “Spectra and Energy Levels of Er3+(4f11) in Gd3Ga5O12,” Journal of Applied Physics, Vol. 93, 3137-3140 (2003). [PDF]

57. Gruber, J .B., Sardar, D. K., Zandi, B., Reynolds, T. A., Alekel, T., and Keszler, D. A., “Spectra and Energy Levels of Nd3+ in LaSc3(BO3)4,” Journal of Applied Physics, Vol. 93, 3345-3351 (2003). [PDF]

56. Gruber, J. B., Sardar, D. K., Zandi, B., Hutchinson, J. A., and Trussell, J. A., “Modeling the Absorption Spectra of Er3+ and Yb3+ in Phosphate Glass,” Journal of Applied Physics, Vol. 94, 4835-4840 (2003). [PDF]

55. Gruber, J. B., Sardar, D. K., Russell III, C. C.*, Yow, R. M., Zandi, B., and Kokanyan, E. P., “Energy Levels of Er3+(4f11) in NaBi(WO4)2,” Journal of Applied Physics, Vol. 94, 7128-7135 (2003). [PDF]

54. Sardar, D. K., Tsin, A. T. C., Salinas, F. S.*, and Perez, J. J.*, “Optical Polarization of Neo-vascularized Human Ocular Tissues,” Proceedings of SPIE – The International Society of Optical Engineering, Fabrice Manns, Per G. Soderberg, and Arthur Ho, Eds., Vol. 4951, 1 - 8 (2003). [PDF]

 

2002

 

53. Sardar, D. K. and Castano, F.*, “Characterization of Spectroscopic and Laser Properites of Pr3+ in Sr5(PO4)3F Crystal,” Journal of Applied Physics, Vol. 91, 911-915 (2002). [PDF]

52. Sardar, D. K., Gruber, J. B., Zandi, B., Ferry, M., and Kokta, M. R., “Spectroscopic Properites of Co2+ in Related Spinels,” Journal of Applied Physics, Vol. 91, 4846-4852 (2002). [PDF]

51. Sardar, D. K., Sayka, A.*, M. Bradley, W.*, Perez, J. C.*, "Optical Characterization of i-Line Photoresist," Semiconductor International, Vol. 25, Web ExClusive:1-8 (2002). [PDF]

50. Sardar, D. K., and Salinas, F. S.*, “Optical Properites of a Laser Dye in a Solid State Polymeric Host,” Journal of Applied Physics, Vol. 91, 9598-9602 (2002). [PDF]

49. Sardar, D. K., French, J. A.*, Castano, F.*, and Sayka, A.*, “Temperature Effects on 1.0 and 1.3 micron Emission Lines of Nd3+ in LaSc3(BO3)4 Crystal Host,” Journal of Applied Physics, Vol. 91, 9629-9634 (2002). [PDF]

 

2001

 

48. Sardar, D. K., Yow, R. M.*, and Sayka, A.*, "Crystal-field Splitting and Phonon Effects on a Sharp Emission Line within a Manifold of Pr3+ in Ca5(Po4)3F Laser Host," Journal of Applied Physics, Vol. 223, 691-700 (2001). [PDF]

47. Sardar, D. K., Mayo, M. L.*, and Glickman, R. D., "Optical Characterization of Melanin," Journal of Biomedical Optics, Vol. 6, 404-411 (2001). [PDF]

46. Sardar, D. K., Yow, R. M.*, Sayka, A.*, and Mayo, M. L.*, "Optical Characterization of Positive Photoresist," Semiconductor International, Vol. 24, 163-174 (2001). [PDF]

45. Gruber, J. B., Reynolds, T. A., Alekel, T., Sardar, D. K., Zandi, B., and Keszler, D., "Spectra and Energy Levels of Co2+ in Zinc Metaborate," Physical Review B, Vol. 64, 045111:1-7 (2001). [PDF]

44. Sardar, D. K., Mayo, M. L.*, and Yow, R. M.*, “Optical Characterization of a Laser Dye in a Solid State Host,” Journal of Applied Physics, Vol. 89, 7739-7744 (2001). [PDF]

43. Sardar, D. K. and Yow, R. M.*, and Salinas, F. S.*, "Stark Components of Lower-lying manifolds and Phonon Effects on Sharp Spectral Lines for Inter-Stark Transitions of Nd3+ in LLGG Crystal Host," Journal of Optical Materials, Vol. 18, 301-308 (2001). [PDF]

42. Gruber, J. B., Sardar, D. K., Merkle, L. D., Zandi, B., and Jarman, R., and Hutchinson, J. A., “Spectroscopic Properites of CaF2:U4+ as a Saturable Absorber,” Journal of Applied Physics, Vol. 90, 3965-3972 (2001). [PDF]

41. Sardar, D. K., Castano, F.*, French, J. A.*, Gruber, J. B., Reynolds, T. A., Alekel, T., Keszler, D. A., and Clark, B. L., “Spectroscopic and Laser Properites of Nd3+ in LaSc3(BO3)4 Host,” Journal of Applied Physics, Vol. 90, 4997-5001 (2001). [PDF]

40. Sardar, D. K., Castano, F.*, French, J. A.*, and Salinas, F. S.*, "Charactrization of Spectroscopic Properites of Nd3+ in LaSc3(BO3)4 (LSB)," Proceedings of the International Conference on LASERS 2001, 55-58 (2001). [PDF]

39. Sardar, D. K., French, J. A.*, Castano, F.*, and Salinas, F. S.*, "Effects of Temperature on Sharp Spectral Lines of Nd3+ in LaSc3(BO3)4," Proceedings of the International Conference on LASERS 2001, 59-64 (2001). [PDF]

 

2000

 

38. Glickman, R. D., Gallas, J. M., Jacques, S. L., Rockwell, B. A., and Sardar, D. K., "Physical and Photochemical Properites of Ocular Melanin," Proceedings of SPIE – The International Society of Optical Engineering, Valery V. Tuchin, Ed., Vol. 4241, 112 - 126 (2001). [PDF

37. Sardar, D. K. and Yow, R. M.*, "Stark Components of 4F3/2, 4I9/2, and 4I11/2 Manifold Energy Levels and Effects of Temperature on the Laser Transitions of Nd3+ in YVO4," Journal of Optical Materials, Vol. 14, 5-11 (2000). [PDF]

36. Sardar, D. K., Salinas, F. S.*, and Yow, R.M.*, "Stark Components of Lower-lying Manifolds and Temperature Dependencies of Line width and Line Shift of a Strong Spectral Transition of Pr3+ in Sr5(Po4)3F," Journal of Applied Physics, Vol. 88, 4688-4692 (2000). [PDF]

 

1999 

 

35. Sardar, D. K. and Yow, R. M.*, "Inter-Stark Energy levels and effects of temperature on sharp emission lines of Nd3+ in LiYF4," Physica Status Solidi, Vol. 173, 521-534 (1999). [PDF]

34. Sardar, D. K. and Stubblefield, S. C.*, "Phonon Effects on Sharp Spectral Lines for Inter-Stark Transitions of Trivalent Neodymium Ions in Strontium Fluorovanadate," Physical Review B, Vol. 60, 14724-14731 (1999). [PDF]

 

1998

 

33. Sardar, D. K. and Levy, L. B.*, "Optical Properites of Whole Blood," Lasers in Medical Sciences," Vol. 13, 106-111 (1998). [PDF]

32. Sardar, D. K. and Stubblefield, S. C.*, "Temperature Dependencies of Line widths, Positions and Line Shifts of Spectral Transitions of Trivalent Neodymium Ions in Barium Magnesium Yttrium Germanate Laser Host," Journal of Applied Physics, Vol. 83, 1195-1199 (1998). [PDF]

31. Sardar, D. K. and Yow, R. M.*, "Optical Characterization of inter-Stark Energy levels and effects of temperature on sharp emission lines of Nd3+ in CaZn2Y2Ge3O12," Journal of Optical Materials, Vol. 10, 191-199 (1998). [PDF]

 

1997

 

30. Sardar, D. K. and Bella, P. D.*, "Stark Components of Lower-lying Manifolds and Emission Cross Sections of Principal Intermanifold and Inter-Stark Transitions of Trivalent Neodymium in Strontium Fluorovanadate," Physical Review B, Vol. 55, 2859 (1997). [PDF]

29. Sardar, D. K. and Stubblefield, S. C.*, "Phonon Effects on Sharp Spectral Lines for Inter-Stark Transitions of Nd3+ in Sr5(VO4)3F (S-VAP)," Proceedings of the International Conference on LASERS '97, 256 - 261 (1997). [PDF]

28. Sardar, D. K. and Yow, R. M.*, "Optical Characterization of Inter-Stark Energy Levels and Effects of Temperature on Sharp Emission Lines of Nd3+ in CaZ2Y2Ge3O12," Proceedings of the International Conference on LASERS '97, 522 - 528 (1997). [PDF]

 

1996

 

27. Sardar, D. K. and Levy, L. B.*, "Comparative Evaluation of Absorption Coefficients of KCl:Eu2+ and CaF2:Eu2+ Using a Spectrophotometer and an Integrating Sphere," Journal of Applied Physics, Vol. 79, 1759 (1996). [PDF]

26. Sardar, D. K. and Stubblefield, S. C.*, "Characterization of Stark Components and Peak Emission Cross Sections of Intermanifold and Inter-Stark Transitions of Nd3+ in         Ba0.25Mg2.75Y2Ge3O12," Journal of Applied Physics, Vol. 80, 5275 (1996). [PDF]

 

1995

 

25. Sardar, D. K. and Stubblefield, S. C.*, "Spectroscopic Characterization of Nd3+:BAMGAR Crystal," Physica Status Solidi, Vol.152, 549 (1995). [PDF]

 

1994

 

24. Sardar, D. K., Vizcarra, S.*, Islam, M. A.*, Allik, T. H., Sharp, E. J., and Pinto, A. A., "Characterization of Spectroscopic Properites of Nd3+:CaZn2Y2Ge3O12 (CAZGAR)," Journal of Luminescence, Vol. 60 & 61, 97 (1994). [PDF]

23. Sardar, D. K., Vizcarra, S.*, Mohammad, M. A.*, Allik, T. H., Sharp, E. J., and Pinto, A. A., "Spectroscopic Analysis and the Effects of Color Centers on the Laser Performance of  Nd3+:CaZn2Y2Ge3O12," Journal of Optical Materials, Vol. 3, 257 (1994). [PDF]

22. Sardar, D. K. and Bella, P. D.*, "Optical Characterization of Nd3+:Sr5(VO4)3F," Journal of Applied Physics, Vol. 76, 5900 (1994). [PDF]

 

1993

 

21. Sardar, D. K., Velarde-Montecinos, R. C.*, and Vizcarra, S.*, "Spectroscopic Properites of Nd3+ in CaF2," Physica Status Solidi (a), Vol. 136, 555 (1993). [PDF]

20. Sardar, D. K., Zapata, B. M.*, and Howard, C.*, "Optical Absorption of Untreated and Laser-Irradiated Tissues," Lasers in Medical Sciences, Vol. 8, 205 (1993). [PDF]

 

1992

 

19. Sardar, D. K., "Electron Irradiation Damage in Pure and Impurity Doped RbMgF3 Crystals," Physica Status Solidi (b), Vol. 171, 39 (1992). [PDF]

 

1991 

 

18. Sardar, D. K., Nemati, B.*, and Barrera, F. J.*, "Use of Polarization to Separate On-axis scattered and Unscattered Light in Red Blood Cells," Biomedical Optics '91 of SPIE Technical Proceedings, Vol. 1427, 43 (1991). [PDF]

 

1989

 

17. Burdick*, G. W., Downer, M. C., and Sardar, D. K., "A New Contribution to Spin­Forbidden Rare Earth Optical Transition Intensities: Analysis of All Trivalent Lanthanides," Journal of Chemical Physics, Vol. 91, 1511 (1989). [PDF]

 

1988

 

16. Downer, M. C., Burdick, G. W.*, and Sardar, D. K., "A New Contribution to Spin-Forbidden Rare Earth Optical Transition Intensities: Gd3+ and Eu3+," Journal of Chemical Physics, Vol. 89, 1787 (1988). [PDF]

15. Allik, T. H., Stewart, S. A., Sardar, D. K., Quarles, G. J., Powell, R. C., Kokta, M. R.,  Hovis, W. W., and Pinto, A. A., "Preparation, Structure and Spectroscopic Properites of Nd3+:{La1-XLuX}3[Lu1-YGaY]2Ga3O12 Crystals," Physical Review B, Vol. 37, 9129 (1988). [PDF]

14. Downer, M. C., Burdick, G. W.*, and Sardar, D. K., "A New Contribution to Spin-Forbidden Rare Earth Intensities," CLEO'88, Technical Digest Series, Vol. 7, 184 (1988). [PDF] 

13. Burdick*, G. W., Downer, M. C., and Sardar, D. K., "The Role of Excited Configurations in Linear Rare Earth Optical Transition Intensities," Proceedings of the Symposium on Luminescence Science and Technology, 110-122 (1988). [PDF]

 

1987

 

12. Sardar, D. K., Becker, M. F., and Walser, R. M., " Multi-Pulse Laser Damage of GaAs Surfaces," Journal of Applied Physics, Vol.62, 3688 (1987). [PDF]

11. Sardar, D. K., Baker, M. F., and Walser, R. M., "Auger Analysis of Elemental Depth Profiles Correlated with Multipulse Laser Damage of GaAs Surfaces," Optics in Adverse Environments-Technical Digest Series, Vol. 8, 52 (1987). [PDF]

 

1986

 

10. Sardar, D. K., Quarles, G. J., Powell, R. C., and Kokta, M. R., "Spectroscopic  Properites  of La2Lu2Ga3O12:Nd3+ Crystals," American Institute of Physics Conference Proceedings, Vol. 146, 214 (1986). [PDF]


1985


9. Sardar, D. K. and Powell, R. C., "Time Resolved Site-Selection Spectroscopy of Nd3+ ions in a Garnet Crystal," AIP Conference Proceedings, Vol. 146, 214 (1985). [PDF]

 

1982

 

8. Shinn, M. D., Windscheif, J. C., Sardar, D. K., and Sibley, W. A., "Optical Transitions of Er3+ Ions in RbMgF3 and RbMgF3:Mn," Physical Review B Vol.26, 2371 (1982). [PDF]

7. Sardar, D. K., Shinn, M. D., and Sibley, W. A., "Radiation Defect Perturbed Er3+ and Mn2+ Optical Transitions in RbMgF3," Physical Review B, Vol. 26, 2382 (1982). [PDF]

6. Alcala, R., Sardar, D. K., and Sibley, W. A., "Optical Transitions of RbMgF3:Eu2+and RbMgF3:Mn2+, Eu2+", Journal of Luminescence, Vol. 27, 273 (1982). [PDF]

5. Sardar, D. K., Alcala, R., and Sibley, W. A., "Optical Absorption and Emission from Irradiated RbMgF3:Eu2+and KMgF3:Eu2+ ,” Journal of Luminescence, Vol. 27, 401 (1982). [PDF]

 

1981

 

4. Sibley W. A., SardarD. K., and Alcala, R., "Optical Transitions of RbMgF3:Eu2+ and RbMgF3:Mn2+,Eu2+," AIP International Laser Conference Proceedings, Vol. 190, 758 (1981). [PDF]

3. Sardar, D. K. and Powell, R. C., "Time-Resolved Site-Selection Spectroscopy Studies of NdAl3(BO3)4 Crystal", Journal of Luminescence, Vol. 22, 349 (1981). [PDF]

 

1980

 

2. Sardar, D. K. and Powell, R. C., "Energy Transfer Processes in YVO4:Nd3+," Journal of Applied Physics, Vol. 51, 2829 (1980). [PDF]

1. Powell, R. C., Neikerk, D. P., and Sardar, D. K., "Radiationless Decay Processes of Nd3+ Ions in Solids," Journal of Optical Society of America, Vol. 70, 486 (1980). [PDF]

 

 

* * Student Author