UTSA Laser Lab    
 
   
 

Presentations

 
         
 

PRESENTATIONS AT PROFESSIONAL CONFERENCES:

 1.         R.C. Powell, D.P. Neikerk, and D.K. Sardar, "Radiationless Decay Processes of Nd3+ Ions in Solids," The Topical    Meeting on Photoacoustic Spectroscopy, Ames, Iowa, August, 1979.

2.         D.K. Sardar and R.C. Powell, "Energy Transfer Processes in YVO4:Nd3+," The American Physical Society Meeting, New York City, New York, March, 1980.

3.         D.K. Sardar, M.D. Shinn, and W.A. Sibley, "Defects Interaction in Irradiated RbMgF3:Er3+:Mn2+," The American  Physical Society Meeting, Phoenix, Arizona, March, 1981.

4.         W.A. Sibley, D.K. Sardar, and R. Alcala, "Optical Transitions of RbMgF3:Eu2+and RbMgF3:Mn2+,Eu2+," The International Conference on Lasers, New Orleans, Louisiana, November, 1981.

5.         D.K. Sardar, R. Alcala, and W.A. Sibley,  "Optical Transitions in RbMgF3:Eu2+ and New  Transitions from Irradiated Sample," The American Physical Society Meeting, Dallas, Texas, March, 1982.

6.         D.K. Sardar, W.A. Sibley, and M.D. Shinn,  "Eu2+ Sensitized Mn2+ Luminescence in RbMgF3 Crystals," The American Physical Society Meeting, LA, California, March, 1983.

7.         D.K. Sardar, R.C. Powell and M.R. Kokta, "Spectroscopic Properties of Nd3+‑Doped La3Lu2Ga3O12," The international Laser Conference, Dallas, Texas, Nov. 1985.

8.         D.K. Sardar, M.F. Becker, and R.M. Walser, "Auger Analysis of Elemental Depth Profiles Correlated with Multi‑Pulse Laser Damage of GaAs Surfaces," The Southwest Optics '87 Conference, Albuquerque, New Mexico, February, 1987.

9.         B.M. Zapata*  and  D.K.  Sardar, "Optical Absorption of Rare Earth Ions in Crystals,"  The Joint Fall Meeting of The Texas Section of The American Physical Society, Texas A&I University, Kingsville,  Texas, October, 1987.

10.       M.C. Downer, G.W. Burdick**, and D.K. Sardar, "A New Third Order Contribution to Spin‑Forbidden Rare Earth Optical Transition Intensities," The American Physical Society Meeting, New Orleans, Louisiana, March, 1988.

11.       M.C. Downer, G.W. Burdick**, and D.K. Sardar, "A New Contribution to Spin‑Forbidden Rare Earth Optical Transition Intensities," The Conference on Lasers and Electro‑Optics : CLEO '88,  Anaheim,  California, April, 1988.

12.       G.W. Burdick**, M.C. Downer, and D.K. Sardar, "A New Third Order Contribution to Spin‑Forbidden Rare Earth Optical Transition Intensities," The Joint Fall Meeting of the Texas Section of the American Physical Society, Austin, Texas, March, 1988.

13.       P.A. Patel, B.M. Zapata*, and D.K. Sardar,  "Optical Absorption Studies of Tissues," The  World Congress on Medical Physics and Biomedical Engineering, San Antonio, Texas, August, 1988.

14.       M.C. Downer, G.W. Burdick**, D.K. Sardar, "A New Contribution to Spin‑Forbidden Rare Earth Optical Transition Intensities," Symposium on Luminescence and Technology, Chicago, Illinois, October, 1988, (Invited Talk).

15.       G.W. Burdick**, M.C. Downer, and D.K. Sardar, "A New Contribution to Spin‑Forbidden Rare Earth Optical Transition Intensities," The American Physical Society Meeting, St. Louis, March, 1989.

16.       D.K. De, K.W. Chen, and D.K. Sardar, "Avalanche Photoemission of Electrons from Semiconducting Surfaces using a Pump and a Probe Lasers," The American Physical Society Meeting, St. Louis, March, 1989.

17.       G.W. Burdick**, M.C. Downer, and D.K. Sardar, "A New Contribution to Spin‑Forbidden Lanthanide Rare Earth Optical Transition Intensities," Second International Symposium on Rare Earth Spectroscopy, Changchun, China, September, 1989, (Invited Talk).

18.       D.K. Sardar, "Optical Absorption in Untreated and Laser Irradiated Tissues," The Sixth Interdisciplinary Laser Science Conference (ILS‑VI), Minneapolis, Minnesota, September 16‑19, 1990.

19        D.K. De, and D.K. Sardar, "Super-efficient Photoemission of Electrons from Semiconducting Surfaces using Laser Pump and Probe Techniques," The American Physical Society Meeting, Anaheim, California, March, 1990.

20.       M.T. Jurena* and D.K. Sardar, "Temperature and Host Dependencies of Divalent Europium Ions in Crystalline Environment," The Joint Fall Meeting of Texas Section of The American Association of Physics Teachers and The American Physical Society, Texas City, Texas, November, 1990.

21.       B. Nemati*, F.J. Barrera*, and D.K. Sardar, "Application of Polarization Techniques To Separate Axial Scattered and Unscattered Light in Turbid Media," The Joint Fall Meeting of Texas Section of The American Association of Physics Teachers and The American Physical Society, Texas City, Texas, November, 1990.

22.       D.K. Sardar, B. Nemati*, and F.J. Barrera*, "Use of Polarization to Separate On‑axis Scattered and Unscattered Light in Red Blood Cells," Biomedical Optics '91 Meeting, SPIE's OE LASE '91, Los Angeles, California, January, 1991.

23.       D.K. Sardar, J.N. Sanders*, B. Nemati*, and F.J. Barrera*, "Separation of On‑Axis Scattered and Unscattered Light in Turbid Media Using Polarization Technique,"  World Congress on Medical Physics and Biomedical Engineering, Kyoto, Japan, July, 1991.

24.       F.J. Barrera* and D.K. Sardar, "Spectroscopic Properties of Eu2+ and Nd3+ Doped in CaF2 Single Crystal Hosts," The Joint Fall Meeting of The American Association of Physics Teachers and The American Physical Society, University of North Texas, Denton, Texas, November, 1991.

25.       J.N. Sanders*, M.A. Siddiqui*, and D.K. Sardar, "Optical Properties of Various Ocular Tissues," The Joint Fall Meeting of The American Association of Physics Teachers and The American Physical Society, University of North Texas, Denton, Texas, November, 1991.

26.       "D.K. Sardar and R.C. Velarde‑Montecinos**, "The Spectroscopic Properties of Nd3+ in Fluorite Hosts and the Intensity Analysis of Laser Transitions," The American Physical Society Meeting, Indianapolis, Indiana, March, 1992. 

27.       N. Nguyen* and D.K. Sardar, "Temperature and Host Dependent Trivalent Neodymium Absorption Intensities in Crystalline Host Lattices,   "The Joint Spring Meeting of The Texas Section of AAPT and APS, Southwest Texas State University, San Marcos, Texas, March, 1992.

28.       R.C. Velarde‑Montecinos** and D.K. Sardar, "Experimental Characterization of Spectroscopic Properties of Nd3+ Ions in Crystalline Environment and the Judd‑Ofelt Intensity Analysis of Various Nd3+ 4f3 Transitions," The Joint Spring Meeting of the Texas Section of the AAPT and APS, Southwest Texas State University, San Marcos, Texas, March, 1992.

29.            R.C.Velarde‑Montecinos** and D.K. Sardar, “Spectroscopic Investigation of the Energy Transfer from Europium to Neodymium in Fluorite Crystal”, Conference on Lasers and Electro‑Optics (CLEO '92), Anaheim, California, May, 1992.

30.       D.K. Sardar and R.C. Velarde‑Montecinos**, "The Spectroscopic Properties of Nd3+ in Fluorite Hosts and the Intensity Analysis of Laser Transitions," The Interdisciplinary Laser Science, OSA/ ILS '92 Conference, Albuquerque, New Mexico, September, 1992.

31.       D.K. Sardar and S. Vizcarra*, "The Spectroscopic Properties and Energy Transfer Characteristics of Eu2+ and Nd3+:CaF2 Hosts," International Conference on Lasers '92, Houston Texas, December, 1992.                     

32.       L.B. Levy* and D.K, Sardar, "Investigation of Optical Absorption of Solid-State Materials using an Integrating Sphere," Joint Spring Meeting of the Texas Section of AAPT and APS, The University of Texas- Pan American, Edinburg, March, 1993.

33.       M.A. Islam* and D.K. Sardar, "In-depth Study of Spectroscopic and Laser Properties of YVO4:Nd3+ (1.5 at. %),"  The Joint Spring Meeting of The Texas Section of AAPT and APS ,The University of Texas-Pan American, Edinburg, March, 1993.

34.       S. Vizcarra* and D.K. Sardar, "Spectroscopic and Laser Properties of CaMgZnY2Ge3O12:Nd3+," The Joint Spring Meeting of The Texas Section of AAPT and APS, The University of Texas -Pan American, Edinburg, March, 1993.

35.       D.K. Sardar, S. Vizcarra*, M.A. Islam*, T.H. Allik, E.J. Sharp, and A.A. Pinto,  "Characterization of Spectroscopic Properties of Nd3+:CaZn2Y2Ge3O12,” International Conference on Luminescence, University of Connecticut, Storrs, CT, August, 1993.

36.       L.B. Levy* and D.K. Sardar, "Optical Properties of Melanin," The Joint Spring Meeting of The Texas Section of AAPT and APS, The University of Texas at Dallas, Dallas, March, 1994.

37.       C.W. Shaw* and D.K. Sardar, "Spectroscopic Properties and Energy Transfer Process in YVO4:Nd3+,”  The Joint Spring Meeting of The Texas Section of AAPT and APS, The University of Texas at Dallas, Dallas, March, 1994.

38.       P. Bella* and D.K. Sardar, "Spectroscopic and Laser Properties of SrVO4:Nd3+,”  The Joint Spring Meeting of The Texas Section of AAPT and APS, The University of Texas at Dallas, Dallas, March, 1994.

39.       D.K. Sardar and P. Bella*,  "Characterization of Spectroscopic Properties of Nd:S-VAP," The 10th Interdisciplinary Laser Science Conference (ILS-X), Dallas, Texas, October 2-7, 1994.

40.       M.G. Kalifa* and D.K. Sardar, "Optical Studies of Pyrromethene (PM-567) Doped Tunable Solid State Dye Laser," The Joint Spring Meeting of The Texas Section of AAPT and APS, Sam Houston State University, Huntsville, Texas, March, 1995.

41.       S.C. Stubblefield* and D.K. Sardar, "Spectroscopic Characterization of BAMGAR:Nd3+ (2 at. wt. %), a Potential Laser Material," The Joint Spring Meeting of The Texas Section of AAPT and APS, Sam Houston State University, Huntsville, Texas, March, 1995.

42.       D.K. Sardar and L.B. Levy, Jr.*, "Optical Properties of Melanin," The American Physical Society Meeting, San Jose, California, March 19-24, 1995.

43.       D.K. Sardar and S.C. Stubblefield, "Characterization of Optical and Laser Properties of Nd3+," The 1995 Optical Society of America Annual (OSA) Meeting/ The 11th Interdisciplinary Laser Science Conference (ILS-XI), Oregon, Portland, September 10-15, 1995.

44.       S.C. Stubblefield* and D.K. Sardar, "Characterization of Optical Emission and Energy Level Structure of Nd3+ 4F3/2, 4I11/2 and 4I9/2 Manifolds in BAMGAR Host Material," The Joint Spring Meeting of The Texas Section of AAPT and APS, Abilene Christian University, Abilene, Texas, March, 1996.

45.       M.G. Kalifa* and D.K. Sardar, "Characterization of Optical and Spectroscopic Properties of a Tunable, Solid-State Dye Laser: PM-567," The Joint Spring Meeting of The Texas Section of AAPT and APS, Abilene Christian University, Abilene, Texas, March, 1996.

46.       T. David, Jr.* and D.K. Sardar, "Optical Studies of C14H16N2O6, a Novel Dye Material, as a Possible Laser Dye," The Joint Spring Meeting of The Texas Section of AAPT and APS, Abilene Christian University, Abilene, Texas, March, 1996.

47.       A. Mitchell* and D.K. Sardar, "Spectroscopic Properties of YAG: Cr3+, Tm3+, Ho3+,” The Joint Spring Meeting of The Texas Section of AAPT and APS, Abilene Christian University, Abilene, Texas, March, 1996.

48.       S.C. Stubblefield* and D.K. Sardar, "Energy-Level Structure of Nd3+ 4F3/2, 4I11/2 and 4I9/2 Manifolds in BAMGAR and Peak Emission Cross sections for Inter-Stark Transitions between theses Manifolds," The American Physical Society Meeting, St. Louis, Missouri, 18-22 March, 1996.

49.       S.C. Stubblefield* and D.K. Sardar, "Optical Characterization of Natural Melanin," Second   CERT Symposium on Environmental Radiation Toxicology, UT-Health Science Center at San Antonio, September 19-20, 1996.

50.       S.C. Stubblefield* and D.K. Sardar, "Optical Characterization of Melanin," The Joint Fall Meeting of The Texas Section of AAPT and APS, University of Texas at Arlington, Arlington, Texas, October 10-12, 1996.

51.       M.G. Kalifa and D.K. Sardar, Spectroscopic Characterization of a Pyrromethene-BF2 Dye Doped in Plastic," The Joint Fall Meeting of The Texas Section of AAPT and APS, University of Texas at Arlington, Arlington, Texas, October 10-12, 1996.

52.       S.C. Stubblefield* and D.K. Sardar, "Temperature Dependence of Spectral Line-widths and Line shifts of Nd3+ ions in S-VAP Laser Crystal," The Joint Spring Meeting of The Texas Section of AAPT and APS, University of St. Thomas, Houston, Texas, March 13-15, 1997.

53.       R. Yow* and D.K. Sardar, "Characterization of Optical Emission and Energy Level Structure of Nd3+ 4F3/2, 4I11/2 and 4I9/2 Manifolds in BAMGAR Host Material," The Joint Spring Meeting of The Texas Section of AAPT and APS, University of St. Thomas, Houston, Texas, March 13-15, 1997.

54.       S.C. Stubblefield* and D.K. Sardar, "Investigation of Line-widths, Positions, and Line shifts of Sharp Optical Transitions in Nd3+-Doped BAMGAR Laser Hosts as a Function of Temperature," The American Physical Society Meeting, Kansas City, Missouri, March 17-21, 1997.

55.       R.M. Yow* and D.K. Sardar, "Optical Characterization of Inter-Stark Energy Levels and Effects of Temperature on Sharp Emission Lines of Nd3+ in CaZn2Y2Ge3O12," The Spring Fall Meeting of The Texas Section of AAPT and APS, University of North Texas, Denton, Texas, March 9-11, 1997.

56.       W.D. Wright*, Chung-On Pong*, S.C. Stubblefield*, and D.K. Sardar, "Optical Characterization of Synthetic Melanin in Acetate and Polycarbonate Plastic Hosts," The Joint Spring Meeting of The Texas Section of AAPT and APS, University of North Texas, Denton, Texas, March 9-11, 1997.

57        R.M. Yow* and D.K. Sardar, "Optical Characterization of Inter-Stark Energy Levels and Effects of Temperature on Sharp Emission Lines of Nd3+ in CaZn2Y2Ze3O12," The Joint Fall Meeting of The Texas Section of AAPT, APS and SPS, University of Texas, Denton, Texas, October 9-11, 1997.

58.       D.K. Sardar and S.C. Stubblefield*, "Phonon Effects on Sharp Lines of Trivalent Neodymium Ions in Sr5(VO4)3F (S-VAP)," International Conference on LASERS '97, New Orleans, Louisiana, December 15-19, 1997.

59.       R.M. Yow* and D.K. Sardar, "Characterization of Inter-Stark Energy Levels and Investigation of Temperature Dependencies of Line-widths and Line Shifts of the Inter-Stark Transitions of Nd3+ in CAZGAR," International Conference on LASERS '97, New Orleans, Louisiana, December 15-19, 1997.

60.       T.B. Sweet* and D.K. Sardar, "Optical and Laser Characterization of a Pyrromethene-BF2 Dye in Plastic Host," The Joint Spring Meeting of The Texas Section of AAPT, APS and SPS, University of the Incarnate Word, San Antonio, Texas, March 19-21, 1998.

61.       R.M. Yow* and D.K. Sardar, "Characterization of Stark Components of 4I9/2 and 4I11/2 Manifolds and Effects of Temperature of Sharp Emission Lines of Nd3+ in YVO4," The Joint Fall Meeting of The Texas Section of AAPT, APS and SPS, University of Texas at El Paso, El Paso, Texas, October 15-17, 1998.

62.       R.M. Yow* and D.K. Sardar, "Inter-Stark Energy Levels and Effects of Temperature on Sharp Emission Lines of Nd3+ in LiYF4 (YLF)," International Conference on LASERS '97, Tucson, Arizona, December 7-11, 1998.

63.       T.B. Sweet* and D.K. Sardar, "Investigation of Spectral and Optical Properties of Pyromethene BF2 (C19H25N2F2B) Dye in Plastic Host," International Conference on LASERS '98, Tucson, Arizona, December 7-11, 1998.

64.       D.K. Sardar and R.M. Yow*, "Investigation of Stark Energy Levels of 4I9/2 and 4I11/2 Manifolds and Effects of Temperature on a Sharp Emission Line Nd3+ in YVO4," The APS March 1999 Centennial Meeting of the American Physical Society, Atlanta, Georgia, March 22-26, 1999.

65.       T.B. Sweet* and D.K. Sardar, "Theoretical and Experimental Considerations on the Efficiency and Thermal Susceptibility of the Standard Nd3+:YVO4," The Joint Fall  Meeting of The Texas Section of AAPT, APS and SPS, Rice University, Houston, Texas, October 27-29,  2000.

66.       F.S. Salinas*, M.L Mayo*, and D.K. Sardar, "Optical Characterization of Melanin," The Joint Fall  Meeting of The Texas Section of AAPT, APS and SPS, Rice University, Houston, Texas, October 27-29,  2000.

67.       R.K. Knight*, M.L Mayo* and D.K. Sardar, "Optical Characterization of C28H20N2B2F4H2O in a Solid State Host," The Joint Fall Meeting of The Texas Section of AAPT, APS and SPS, Rice University, Houston, Texas, October 27-29, 2000.

68.       R.D. Glickman, J.M. Gallas, S.L. Jacques, B.A. Rockwell, and D.K. Sardar, “Physical and hotochemical properties of ocular melanin,” in Optical Technologies in Biophysics and Medicine II, Saratov Fall Meeting, Russia, 2000.

69.       F.S. Salinas*, M.C. Hobbs*, and D.K. Sardar, “Optical Characterization of C28H­­20N2O2B2F4H2O in a Solid State Host,” The Joint Spring Meeting of The Texas Section of AAPT, APS and SPS, Sam Houston University, Huntsville, Texas, March 2-3, 2001.

70.       D.J. Wildberger*, G.M. Pocock*, and D.K. Sardar, “Optical Characterization of a Leak-detection Dye,” The Joint Spring Meeting of The Texas Section of AAPT, APS and SPS, Sam Houston University, Huntsville, Texas, March 2-3, 2001.

71.       D.K. Sardar, R.M. Yow*, A. Sayka*, and M.L. Mayo*, "Optical Characterization of Positive Photoresist," The APS March 2001 Meeting of the American Physical Society, Seattle, Washington, March 12-16, 2001.

72.       F.S. Salinas* and D.K. Sardar, “Optical Properties of Natural Melanin,” The Joint Fall Meeting of The Texas Section of AAPT, APS, and SPS, Texas Christian University, Fort Worth, Texas, October 4-6, 2001.

73.       F. Castano* and D.K. Sardar, “Characterization of Spectroscopic and Laser Properties of Pr3+ in SFAP Host,” The Joint Fall Meeting of The Texas Section of AAPT, APS, and SPS, Texas Christian University, Fort Worth, Texas, October 4-6, 2001.

74.       D.K. Sardar, F. Castano*, J.A. French*, and F.S. Salinas, “Characterization of Spectroscopic Properties of Nd3+ in LaSc3(BO3)4 (LSB),”  International Conference on LASERS 2001, Tucson, Arizona, December 3-7, 2001.

75.       D.K. Sardar, J.A. French*, F. Castano*, and F.S. Salinas*, “Effects of Temperature on Sharp Lines of Nd3+ in LaSc3(BO3)4,”  International Conference on LASERS 2001, Tucson, Arizona, December 3-7, 2001.

76.       B. Zandi, J.B. Gruber, D.K. Sardar, J.A. Hutchinson, and C.W. Trussell, “Modeling the Optical Structure of Er:Yb:Phisphate-Glass Spectra,” 2002 OSA Annual Meeting and Exhibit/Laser Science - XVIII, Orlando, Florida, September 29-October 3, 2002.

77.       R.D. Glickman, D.K. Sardar, F.S. Salinas*, M.C. Hobbs*, “Optical and Electrical Characterization of Natural Melanin,” 2nd Joint Conference of the IEEE Engineering in Medicine and Biology Society and the Biomedical Engineering Society, Houston, Texas, October 23-26, 2002.

78.       B. Zandi, M. Dubiniskiy, L. Merkle, J.B. Gruber, D.K. Sardar, and E.P. Kokanyan, “Novel Candidate HEL Material Yb:NaBi(WO4)2,” Fifth Annual Directed Energy Symposium, Monterey, CA, November 12-15, 2002

79.       D.K. Sardar, A.T. Tsin, Felipe S. Salinas, and John J. Perez, “Optical Polarimetry of Neo-vascularized Ocular Tissues” The SPIE International Symposium BiOS 2003, Biomedical Optics, San Jose, California, January 25-31, 2003.

80.       D.K. Sardar, “Judd-Ofelt Analysis of the Er3+ (4f11) Absorption Intensities in Er3+-Doped Garnets,” The American Physical Society Meeting, Austin, Texas, 3-7 March, 2003. (Invited Talk).

81.       D.K. Sardar, W.M. Bradley*, and R.M. Yow*, “Optical Transitions and Absorption Intensities of Dy3+ (4f9) in YSGG laser Host,” The 2003 Frontiers in Optics/Laser Science Conference, Tucson, Arizona, October 5-9, 2003.

82.       F.S. Salinas*, D.K. Sardar, and A.T. Tsin, “Optical Characterization of Neo-vascularized Ocular Tissues” The SPIE International Symposium BiOS 2003, Biomedical Optics, San Jose, California, January 24-29, 2004.

83.       R.L. Yow*, D.K. Sardar, and A.T. Tsin, “Polarimetric Imaging of Neo-vascularized Tissues” The SPIE International Symposium BiOS 2003, Biomedical Optics, San Jose, California, January 24-29, 2004.

84.       D.K. Sardar, J.B. Gruber, and B. Zandi, “Optical Characterization and Laser Properties of Er3+ (4f11) in NaBi(WO4)2The SPIE International Symposium BiOS 2003, Biomedical Optics, San Jose, California, January 24-29, 2004.

85.       Cody H. Coeckelenbergh, Raylon M. Yow, Charles C. Russell III, and Dhiraj K. Sardar, “Spectroscopic Analysis of the Er3+ (4f 11) Absorption Intensities in Calcium fluorophosphate,The Joint Fall Meeting of The Texas Section of AAPT, APS, and SPS, Baylor University, Waco, Texas, October 7-9, 2004.

86.       D.K. Sardar, R.L. Yow*, and A.T. Tsin, “Polarization Characterization of Neovascularized Ocular (Retinal) Tissues” The Biophysical Society, 49th Annual Meeting, Long Beach, California, February 12-16, 2005.

87.       Joshua Dickerson and Dhiraj K. Sardar, “Measurement of Index of Refraction using Low-Coherence Interferometry ,The Joint Spring Meeting of The Texas Section of AAPT, APS, and SPS, Stephen F. Austin University, Nacogdoches, Texas, March 3-5, 2005.

88.       Guang-Yin Swanland, Raylon Yow, Joshua Dickerson and Dhiraj K. Sardar, “The Power of Inverse Adding Doubling (IAD) Method to Determine Optical Scattering and Absorption of Biological Media,The Joint Spring Meeting of The Texas Section of AAPT, APS, and SPS, Stephen F. Austin University, Nacogdoches, Texas, March 3-5, 2005.

89.        Guang-Yin Swanland, Raylon Yow, and Dhiraj K. Sardar, "Optical properties of ocular tissues," The Joint Fall Meeting of The Texas Section of AAPT, APS, and SPS, University of Houston, Houston, Texas, October 7-9, 2005.

 90.      Cody H. Coeckelenbergh, Raylon M. Yow, and Dhiraj K. Sardar, “Spectroscopic Analysis of the Er3+ (4f 11) Absorption Intensities in HEMA,The Joint Fall Meeting of The Texas Section of AAPT, APS, and SPS, University of Houston, Houston, Texas, October 7-9, 2005.

91.       D.K. Sardar, R.L. Yow*, and A.T. Tsin, “Near Infrared Characterization of Optical Properties of Human Ocular Tissues” The SPIE International Symposium BiOS 2006, Biomedical Optics, San Jose, California, January 24-29, 2006.

92.       K.L. Nash, R.M. Yow, J.B. Gruber, D.K. Sardar, U.V. Valiev, and E.P. Kokanyan, “Judd-Ofelt Intensity Analysis of Tb3+ in TbAlO3,” The Texas Section of the APS/AAPT/SPS Joint Spring Meeting, Angelo State University, San Angelo, Texas, March 23-25, 2006.

25, 2006.

93.       T.T. Jobe*, R.M. Yow*, D.K. Sardar, and R.J. Thomas, “Finite-Difference Beam Propagation Modeling for Lasers in Ocular Tissues,” The Texas Sections of the APS/AAPT/SPS Joint Spring Meeting, Angelo State University, San Angelo, Texas, March 23-25, 2006

94.       G-Y. Swanland*, R.M. Yow*, D.K. Sardar, A.T. Tsin, and R.J. Thomas, “Optical Properties of Bovine Ocular Tissues in the Near Infrared Region,” The Texas Section of the APS/AAPT/SPS Joint Spring Meeting, Angelo State University, San Angelo, Texas, March 23-25, 2006.

95.       D. Stonestreet, D. Dee, K.L. Nash, R.M. Yow, J.B. Gruber, and D.K. Sardar, “Spectroscopic analysis of Pr3+ (4f2) absorption intensities in a plastic host (HEMA),” The Fall 2006 Joint Meeting of Texas Section of the APS, AAPT, and SPS, University of Texas at Arlington, Arlington, Texas, October 5-7, 2006

96.       T.T. Jobe*, R.M. Yow*, D.K. Sardar, and R.J. Thomas, “Experiment, Computation, and Modeling for Temperature Dependence of Absorption, Scattering, Reflection, Transmission, and Index of Refraction of Optical Radiation in Biological Tissues,” The Fall 2006 Joint Meeting of Texas Section of the APS, AAPT, and SPS, University of Texas at Arlington, Arlington, Texas, October 5-7, 2006

97.       D. Dee, D. Stonestreet, K.L. Nash, R.M. Yow, J.B. Gruber, and D.K. Sardar, “Absorption intensity analysis and emission cross sections for the inter-manifold and the inter-Stark transitions of Nd3+(4f3) in polycrystalline ceramic Y2O3. ,” The Fall 2006 Joint Meeting of Texas Section of the APS, AAPT, and SPS, University of Texas at Arlington, Arlington, Texas, October 5-7, 2006

98.       K.L. Nash, D. Dee, R.M. Yow, J.B. Gruber, D.K. Sardar, W. Gorski, and M.G. Zhang, “Optical Properties of Er3+:Y2O3 nanoparticles for biosensor applications ,” The Fall 2006 Joint Meeting of Texas Section of the APS, AAPT, and SPS, University of Texas at Arlington, Arlington, Texas, October 5-7, 2006

99.       R. Nakade, R.M. Yow, A. Sayka, and D.K. Sardar, “A novel technique for cleaning semiconductor wafers using ultrasonic transducer ,” The Fall 2006 Joint Meeting of Texas Section of the APS, AAPT, and SPS, University of Texas at Arlington, Arlington, Texas, October 5-7, 2006

100.     .V.Valiev, J.B.Gruber, B. Zandi, K.Mukhamadiev, V.Yu.Sokolov, and D.K. Sardar, “Zeeman Effects and Features of Stark Splitting of the Electronic States of Tb3+ (4f8) Ion in Terbium Paramagnetic Garnet Tb3Ga5O12,” The 2nd International Joint Symposium between National University of Uzbekistan & Chungnan National University, South Korea, Nov. 17-19, 2006.

101.     D.K. Sardar, “Highly Luminescent Rare Earth Nanoparticles for Potential Biomedical Applications,” International Conference on Biomedical and Pharmaceutical Engineering 2006 (ICBPE), Singapore, December 11-14, 2006. (Invited Talk).

102.     K.L. Nash*, R.M. Yow*, D.M. Dee*, G. Swanland*, D.K. Sardar, M. Zhang, and W. Gorski, Optical Characterization of Gold and Erbium Oxide Nanoparticles for Biosensor ApplicationsThe SPIE International Symposium BiOS 2007, Biomedical Optics, San Jose, California, January 20-25, 2007.

103.     K.L. Nash*, J.B. Gruber, R.M. Yow*, U.V. Valiev, and D.K. Sardar, Modeling Visible and Infrared Stimulated Emission from Tb3+ in TbAlO3,The SPIE International Symposium, San Jose, California, January 20-25, 2007.

104.     B. Zandi, K.L. Nash*, J.B. Gruber, R.M. Yow*, and D.K. Sardar, Optimization of Q-switch Performance of Co2+ by Crystal-Field Tuning of the Stark Levels in the Absorber Host Crystal for the Resonantly Pumped Er:YAG Laser (1.6 um),The SPIE International Symposium, San Jose, California, January 20-25, 2007.

* Student author

 Six of my research students: Mark Jurena (1990), Santiago Vizcarra (1993), Steven Stubblefield (1995), Anne Mitchell (1996), Thomas Sweet (1998 & 2000), and Felipe Salinas (2001) have received seven awards for outstanding presentations at the Texas Section of The American Physical Society's Conferences.

 

OTHER INVITED SEMINAR TALKS

1.         "Optical Studies of Important Solid State Laser Hosts using High Resolution Spectroscopy Techniques," Department of Physics, Visva Bharati University, Santiniketan, India, 1983.

2.         "Investigation of Optical Properties of Potential Laser Materials," Division of Earth and Physical Sciences, University of Texas at San Antonio, Texas, 1984. 

3.         "Laser Spectroscopy," Sponsored by the Society of Physics Students at the University of Texas at San Antonio, Texas, 1986.

4.         "Energy Transfer in Concentrated Systems, "Division of Earth and Physical Sciences, University of Texas at San Antonio, Texas, 1987.

5.         "Single and Multiple Pulse Laser Damage of Single Crystal Gallium Arsenide Surfaces," Division of Earth and Physical Sciences, University of Texas at San Antonio, Texas, 1988. 

6.         "Search for Tunable Solid State Laser Materials using High Resolution Laser Spectroscopy Techniques," Physics Department, California State University, Long Beach, California, 1989.

7.         "Current Status of Solid State Lasers," Trinity University, San Antonio, Texas, 1991

8.        "Optical Characterization of Biological Tissues and Laser-Tissue Interaction," University of Texas Pan Am at Edinburgh, Texas 2002.

9.      "Absorption intensity analysis and emission cross sections for the inter-manifold and the inter-Stark transitions of Nd3+(4f3) in polycrystalline ceramic Y2O3," Visva Bharati University, Santiniketan, India, 2006.