Barry A. Wechsler, PhD

Conference presentations

 

G.E. Brown, B.A. Wechsler, and P.W. Weigand, The crystallography of pigeonites from basaltic vitrophyre 15597, presented at Fourth Lunar Science Conference, Houston, TX, March, 1973.

 

B.A. Wechsler, C.T. Prewitt, and J.J. Papike, Stucture and chemistry of lunar and synthetic armalcolite, presented at Sixth Lunar Science Conference, Houston, TX, March, 1975.

 

B.A. Wechsler and C.T. Prewitt, Structural chemistry of armalcolite and ilmenite at high temperatures, presented at Eighth Lunar Science Conference, Houston, TX, March, 1977.

 

B.A. Wechsler, Crystal structure of ilmenite at high temperature, presented at Geological Society of America Annual Meeting, Toronto, Canada, November, 1978.

 

B.A. Wechsler, Cation distribution in magnetite-ulvospinel, presented at Geological Society af America Annual Meeting, San Diego, CA, November, 1979.

 

B.A. Wechsler, D.H. Lindsley, and C.T. Prewitt, Crystal structure and cation distribution in titanomagnetites, presented at Geological Society of America Annual Meeting, Cincinnati, OH, November, 1981.

 

B.A. Wechsler and A. Navrotsky, Cation distribution equilibria in karrooite, MgTi2O5, presented at Chapman Conference on Point Defects in Minerals, Fallen Leaf Lake, CA, September, 1982.

 

B.A. Wechsler and A. Navrotsky, Thermochemistry of compounds in the system MgO-TiO2, presented at Geological Society of America Annual Meeting, New Orleans, LA, October, 1982.

 

B.A. Wechsler and R.B. Von Dreele, Structure refinement of high and low temperature Mg2TiO4 spinels from neutron powder diffraction data, presented at American Crystallographic Association Meeting, Columbia, MO, March, 1983.

 

B.A. Wechsler, D. Rytz, and K.W. Kirby, Growth of Ba1-xSrxTiO3 single crystals, presented at AACG/West Eighth Conference on Crystal Growth, Fallen Leaf Lake, CA, June, 1985.

 

B.A. Wechsler, D. Rytz, and K.W. Kirby, Growth of Ba1-xSrxTiO3  (0.015<x<0.050) single crystals, presented at Sixth International Meeting on Ferroelectricity, Kobe, Japan, August, 1985.

 

M.B. Klein, D. Rytz, B.A. Wechsler, B. Bobbs, M. Matloubian, and H. Fetterman, Measurement of the dielectric and electro-optic properties of BaTiO3 and KTN at millimeter wavelengths, presented at American Ceramic Society Annual Meeting, Chicago, IL, April, 1986.

 

D. Rytz, B.A. Wechsler, C.C. Nelson, and K.W. Kirby, Top-seeded solution growth of BaTiO3 and KNbO3 for photorefractive and nonlinear optical applications, presented at AACG/West Ninth Conference on Crystal Growth, Fallen Leaf Lake, CA, June, 1986.

 

M.B. Klein, B.A. Wechsler, G.C. Valley, and D. Rytz, Optimization of the photorefractive response time in BaTiO3, presented at Conference on Lasers and Electro-Optics, San Francisco, CA, June, 1986.

 

M.B. Klein, B.A. Wechsler, G.C. Valley, and D. Rytz, Optimization of the photorefractive response time in BaTiO3, presented at International Symposium on the Applications of Ferroelectrics, Bethlehem, PA, June, 1986.

 

B.A. Wechsler, D. Rytz, K.W. Kirby, and C.C. Nelson, Growth of Ba1-xSrxTiO3  single crystals, presented at Eighth International Conference on Crystal Growth, York, England, July, 1986.

 

B.A. Wechsler and M.B. Klein, Crystal growth, processing, and characterization of photorefractive BaTiO3, presented at SPIE Conference on Laser and Nonlinear Optical Materials, San Diego, CA, August, 1986.

 

B.A. Wechsler, D. Rytz, and C.C. Nelson, Growth and poling of BaTiO3 single crystals, presented at the Seventh American Conference on Crystal Growth, Monterey, CA, July, 1987.

 

C.C. Nelson, D. Rytz, and B.A. Wechsler, Top-seeded solution growth of KNbO3, presented at the Seventh American Conference on Crystal Growth, Monterey, CA, July, 1987.

 

D. Rytz, M.B. Klein, B.A. Wechsler, C.C. Nelson, and K.W. Kirby, Growth and characterization of Bi12TiO20 (BTO) single crystals, presented at the Seventh American Conference on Crystal Growth, Monterey, CA, July, 1987.

 

D. Rytz, B.A. Wechsler, C.C. Nelson, and M.B. Klein, Crystal growth of BaTiO3 and KNbO3 for photorefractive applications, presented at the Topical Meeting on Photorefractive Materials, Effects, and Devices, Los Angeles, CA, August, 1987.

 

D. Rytz, M.B. Klein, B.A. Wechsler, C.C. Nelson, K.W. Kirby, S. McCahon, and G.C. Valley, Growth and characterization of photorefractive Bi12TiO20, presented at the Topical Meeting on Photorefractive Materials, Effects, and Devices, Los Angeles, CA, August, 1987.

 

B.A. Wechsler and M.B. Klein, Application of thermodynamic defect model to modification of the photorefractive properties of BaTiO3, presented at the Topical Meeting on Photorefractive Materials, Effects, and Devices, Los Angeles, CA, August, 1987.

 

D. Rytz, M.B. Klein, G.C. Valley, and B.A. Wechsler, Temperature dependence of beam coupling in KNbO3 and BaTiO3, presented at the Topical Meeting on Photorefractive Materials, Effects, and Devices, Los Angeles, CA, August, 1987.

 

B.A. Wechsler, Thermodynamic model for point defects in BaTiO3, presented at the Chapman Conference on Perovskites, Bisbee, AZ, October, 1987.

 

G.C. Valley, M.B. Klein, D. Rytz, and B.A. Wechsler, Progress in photorefractive materials for optical data processing, invited paper, presented at the Electrochemical Society Fall Meeting, Honolulu, HI, October, 1987.

 

D. Rytz, M.B. Klein, R.A. Mullen, R.N. Schwartz, G.C. Valley, and B.A. Wechsler, Millisecond response time in BaTiO3 at 1 W/cm2, presented at CLEO '88, Anaheim, CA, April, 1988.

 

D. Rytz, K.W. Kirby, R.N. Schwartz, B.A. Wechsler, and C.C. Nelson, Top-seeded solution growth of (La1-xSrx)2CuO4  single crystals, presented at AACG/West Tenth Conference on Crystal Growth, Fallen Leaf Lake, CA, June, 1988.

 

B.A. Wechsler and M.B. Klein, Effects of crystal growth and processing conditions on the photorefractive properties of BaTiO3: a theoretical model, presented at the International Symposium on Applications of Ferroelectrics, Zurich, Switzerland, August, 1988; published in Ferroelectrics 92, 315-316, 1989.

 

D. Rytz, M.B. Klein, R.A. Mullen, R.N. Schwartz, G.C. Valley, and B.A. Wechsler, Temperature dependence of the photorefractive properties of BaTiO3, presented at the International Symposium on Applications of Ferroelectrics, Zurich, Switzerland, August, 1988; published in Ferroelectrics 92, 313, 1989.

 

M.B. Klein, D. Rytz, and B.A. Wechsler, Crystal growth and processing of BaTiO3 for photorefractive applications, invited paper, presented at the International Symposium on Applications of Ferroelectrics, Zurich, Switzerland, August, 1988.

 

D. Rytz, B.A. Wechsler, and C.C. Nelson, Top-seeded solution growth of titanates and niobates for photorefractive and nonlinear applications, invited paper, presented at AACG/East Second Eastern Regional Conference on Crystal Growth, Atlantic City, NJ, October, 1988.

 

K.W. Kirby and B.A. Wechsler, The BaTiO3-TiO2 system: a new phase diagram, presented at the 41st Pacific Coast Regional Meeting of the American Ceramic Society, San Francisco, CA, October, 1988.

 

B.A. Wechsler, D. Rytz, and M.B. Klein, Crystal growth and processing of barium titanate and potassium niobate for photorefractive applications, invited paper, presented at the Optical Society of America Annual Meeting, Santa Clara, CA, November, 1988.

 

M.B. Klein, S.W. McCahon, D. Rytz, and B.A. Wechsler, Intensity-induced absorption in BaTiO3 using pulsed laser excitation, presented at CLEO '89, Baltimore, MD, April, 1989.

 

D. Rytz, J.Y. Josefowicz, K.W. Kirby, F.G. Krajenbrink, D.F. Elwell, A.T. Hunter, R.H. Miles, C.C. Nelson, R.C. Pastor, R.N. Schwartz, and B.A. Wechsler, La2-xBaxCuO4 substrates for thin film growth of high temperature superconductors, presented at AACG/West Eleventh Conference on Crystal Growth, Fallen Leaf Lake, CA, June, 1989.

 

B.A. Wechsler, D. Rytz, C.C. Nelson, and K.W. Kirby, Top-seeded solution growth of oxide crystals, presented at American Crystallographic Association Annual Meeting, Seattle, WA, July, 1989.

 

D. Rytz, B.A. Wechsler, C.C. Nelson, K.W. Kirby, and R.R. Craig, Top-seeded solution growth of BaTiO3, KNbO3, SrTiO3, Bi12TiO20, and (La1-xBax)2CuO4, presented at 9th International Conference on Crystal Growth, Sendai, Japan, August, 1989.

 

D. Rytz, B.A. Wechsler, and M.H. Garrett, Temperature dependence of photorefractive properties in BaTiO3, KNbO3, and Sr1-xBaxNb2O6 (SBN), presented at Seventh International Meeting on Ferroelectricity, Saarbrucken, FRG, August, 1989.

 

D. Rytz, B.A. Wechsler, M.H. Garrett, and C.C. Nelson, Measurements of photorefractive properties in BaTiO3:Co, presented at Topical Meeting on Photorefractive Materials, Effects, and Devices II, Aussois, France, January, 1990.

 

J.P. Wilde, L. Hesselink, S.W. McCahon, M.B. Klein, D. Rytz, and B.A. Wechsler, Measurement of electro-optic and electrogyratory effects in BTO (Bi12TiO20), presented at Topical Meeting on Photorefractive Materials, Effects, and Devices II, Aussois, France, January, 1990.

 

R.A. Mullen, K.L. Schumacher, B.A. Wechsler, and M.B. Klein, Photoluminescence spectroscopy of doped and undoped BaTiO3, presented at Topical Meeting on Photorefractive Materials, Effects, and Devices II, Aussois, France, January, 1990.

 

B.A. Wechsler, R.N. Schwartz, D. Rytz, and M.B. Klein, Defect properties and the photorefractive effect in barium titanate, invited paper, presented at American Chemical Society National Meeting, Boston, MA, April, 1990.

 

R.N. Schwartz, B.A. Wechsler, and D. Rytz, EPR, optical, and electronic structure studies of defects/impurities in ferroelectric oxides, invited paper, presented at American Ceramic Society Annual Meeting, Dallas, TX, April, 1990.

 

K.W. Kirby and B.A. Wechsler, The BaTiO3-TiO2 system: a new phase diagram, presented at American Ceramic Society Annual Meeting, Dallas, TX, April, 1990.

 

B.A. Wechsler and K.W. Kirby, Phase equilibria in the system (1-x)BaTiO3-xSrTiO3 (0 < x < 0.05), presented at American Ceramic Society Annual Meeting, Dallas, TX, April, 1990.

 

B.A. Wechsler, R.N. Schwartz, D. Rytz, and M.B. Klein, Defect and photorefractive properties of barium titanate, invited paper, presented at Seventh International Symposium on Applications of Ferroelectrics, Urbana, IL, June, 1990.

 

B.A. Wechsler, D. Rytz, C.C. Nelson, and K.W. Kirby, Top-seeded solution growth of Bi12TiO20, presented at Eighth American Conference on Crystal Growth, Vail, CO, July, 1990.

 

R.N. Schwartz and B.A. Wechsler, EPR, optical and electronic structure studies of photorefractive BaTiO3, presented at Congress Ampere on Magnetic Resonance, Stuttgart, FRG, September, 1990.

 

B.A. Wechsler, C.C. Nelson, and R.N. Schwartz, Electron paramagnetic resonance, optical, and photorefractive characterization of light sensitive defects in top seeded solution grown BaTiO3, presented at AACG/West Twelfth Conference on Crystal Growth, Fallen Leaf Lake, CA, May, 1991.

 

R.N. Schwartz, B.A. Wechsler, and R.A. McFarlane, Spectroscopy of light sensitive defect/impurity centers in photorefractive BaTiO3, presented at Topical Meeting on Photorefractive Materials, Effects, and Devices, Beverly, MA, July, 1991.

 

M.B. Klein, F.P. Strohkendl, B.A. Wechsler, G.A. Brost, J.E. Millerd, and E.M. Garmire, Large signal gain effects in photorefractive Bi12TiO20 at 633 nm, presented at Topical Meeting on Photorefractive Materials, Effects, and Devices, Beverly, MA, July, 1991.

 

B.A. Wechsler and M.B. Klein, Defects, charge transport, and optimization of photorefractive barium titanate, invited paper, presented at Thirty-Eighth Sagamore Army Materials Research Conference, Plymouth, MA, September, 1991.

 

M.B. Klein, B.A. Wechsler, and A. Kost, Recent advances in the crystal growth, characterization, and processing applications of photorefractive barium titanate, presented at the Second Workshop on Electro-Optical Materials (U.S. Army), Huntsville, AL, October, 1991.

 

B.A. Wechsler and C.C. Nelson, Top-seeded solution growth of vanadate garnets, presented at Tenth International Conference on Crystal Growth, San Diego, CA, August, 1992.

 

B.A. Wechsler, M.B. Klein, and F.P. Strohkendl, Optical limiter using photorefractive barium titanate, presented at Eighth International Symposium on the Applications of Ferroelectrics, Greenville, SC, August-September, 1992.

 

M.B. Klein, G.J. Dunning, W.P. Brown, and B.A. Wechsler, Performance of optical limiters using photorefractive BaTiO3, presented at Topical Meeting on Photorefractive Materials, Effects, and Devices, Kiev, Ukraine, August, 1993.

 

M.B. Klein, B.A. Wechsler, and R.N. Schwartz, Influence of defects on the device properties of photorefractive barium titanate, invited paper, presented at Eighth International Meeting on Ferroelectricity, Gaithersburg, MD, August, 1993.

 

B.A. Wechsler, M.B. Klein, C.C. Nelson, and R.N. Schwartz, Spectroscopic and photorefractive properties of infrared-sensitive rhodium-doped barium titanate, presented at CLEO '94, Anaheim, CA, May, 1994.

 

G.D. Bacher, S. MacCormack, J. Feinberg, B.A. Wechsler, and M.B. Klein, Photorefractive properties of rhodium-doped barium titanate, presented at Nonlinear Optics: Materials, Fundamentals, and Applications, Waikoloa, HI, July, 1994.

 

B.A. Wechsler, M.B. Klein, and R.N. Schwartz, Growth, characterization, and applications of infrared-sensitive photorefractive barium titanate, invited paper, presented at Ninth International Symposium on the Applications of Ferroelectrics, University Park PA, August, 1994.

 

B.A. Wechsler, M.B. Klein, and R.N. Schwartz, Crystal growth and photorefractive characterization of BaTiO3:Rh, presented at Fifth Eastern Regional Conference on Crystal Growth, Atlantic City, NJ, October, 1994.

 

B.A. Wechsler, M.B. Klein, C.C. Nelson, and R.N. Schwartz, Growth and characterization of infrared-sensitive photorefractive barium titanate, invited paper, presented at Japan - U.S. Workshop on Functional Fronts (Boundaries and Defects) in Advanced Ceramic Materials, Tsukuba, Japan, December, 1994.

 

G.D. Bacher, S. MacCormack, J. Feinberg, B.A. Wechsler, and M.B. Klein, Electron-hole competition in BaTiO3:Rh, presented at CLEO '95, Baltimore, MD, May, 1995.

 

S.C.W. Hyde, N.P. Barry, R. Jones, J.C. Dainty, P.M.W. French, B.A. Wechsler, E. Dieguez, and N. Sochinskii, Real-time infrared imaging through turbid media using photorefractive holography, presented at CLEO '95, Baltimore, MD, May, 1995.

 

B.A. Wechsler, C.C. Nelson, M.B. Klein, and R.N. Schwartz, Crystal growth and characterization of infrared-sensitive photorefractive barium titanate, presented at 11th International Conference on Crystal Growth, The Hague, The Netherlands, June, 1995.

 

G.D. Bacher, M.P. Chiao, G.J. Dunning, M.B. Klein, and B.A. Wechsler, Ultralong dark decay measurements in BaTiO3, presented at Conference on Photorefractive Materials, Effects, and Devices, Estes Park, CO, June, 1995.

 

R.N. Schwartz, B.A. Wechsler, L. West, and G.D. Bacher, Spectroscopic and photorefractive properties of molybdenum-doped barium titanate, presented at Conference on Photorefractive Materials, Effects, and Devices, Estes Park, CO, June, 1995.

 

S. MacCormack, J. Feinberg, and B.A. Wechsler, The "Swiss cheese" effect: Mapping 180o domains using photorefractive beam coupling, presented at Conference on Photorefractive Materials, Effects, and Devices, Estes Park, CO, June, 1995.

 

B.A. Wechsler, G.D. Bacher, C.C. Nelson, M.B. Klein, S. MacCormack, and J. Feinberg, Optimization of rhodium-doped BaTiO3 for high-power photorefractive applications in the near infrared, presented at Nonlinear Optics: Materials, Fundamentals, and Applications, Maui, HI, July, 1996.

 

S. MacCormack, J. Feinberg, S. O'Brien, R.J. Lang, M.B. Klein, and B.A. Wechsler, A powerful, diffraction-limited semiconductor laser using photorefractive beam coupling, presented at Nonlinear Optics: Materials, Fundamentals, and Applications, Maui, HI, July, 1996.

 

B.A. Wechsler, Materials Issues in Holographic Data Storage, invited paper, presented at the 1996 IEEE International Symposium on Applications of Ferroelectrics, East Brunswick, NJ, August, 1996.

 

B.A. Wechsler and R.N. Schwartz, Growth and properties of BaTiO3 co-doped with cerium and rhodium, presented at Twelfth International Conference on Crystal Growth, Jerusalem, Israel, July, 1998.

 

B.A. Wechsler, P.M. Bridenbaugh, and J. Rottenberg, High-temperature solution growth of orthovanadate crystals, invited paper, presented at International Symposium on High-Power Lasers and Applications, San Jose, CA, January, 1999.

 

B.A. Wechsler, J. Rottenberg, and P.M. Bridenbaugh, High temperature solution growth of yttrium and gadolinium vanadate crystals, presented at Eleventh American Conference on Crystal Growth and Epitaxy, Tucson, AZ, August, 1999.

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H. Banerjee, G. Cook, P. Banerjee, S. Basun, J. Carns, B. Wechsler, M. Scripsick, and D. Evans, Effect of stoichiometry and absorption on self-pumped two-beam coupling gain and photovoltaic fields in LiNbO3:Fe, presented at American Physical Society meeting, Portland, OR, March, 2010.