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Liquid Crystal Spatial Light Modulator Technology (Earlier Lab Work)

Lab Publications

• “Spatial light modulators: processing light in real time." Pierre R.��Barbier, and Garret Moddel. "Optics and Photonics News 8.3 (1997): 16-21.
• "Degradation of liquid crystal device performance due to selective adsorption of ions," S. H.��Perlmutter, D.��Doroski, and G. Moddel, Appl. Phys.��Lett., 69, 1182-1184 (1996).
• "Resolution limits from charge transport in optically addressed spatial light modulators," L. Wang, and G. Moddel, J. Appl. Physics, 78, 6923-6935 (1995).
• "Fringe visibility improvement using an asynchronous image-subtracting optically addressed spatial light modulator," J. P. Sharpe, P. R.��Barbier, G. Moddel, and K. M. Johnson, Appl. Optics,��34, 4013-4021 (1995).
• "Design of an optically addressed spatial light modulator sensitive to 1.55-µm write light," L. Wang and G. Moddel, Spatial Light Modulators and Applications, March 14-17, 1995, Salt Lake City, Utah, Technical Digest Series, Vol. 9 (OSA, Washington, DC, 1995), pp.��89-92.
• "Ferroelectric liquid crystal spatial light modulators," G. Moddel, Chap. 6 in��Spatial Light Modulator Technology: Materials, Devices, and Applications, U.��Efron, editor, (Marcel Dekker, New York, 1995) pp. 287-359.
• "Effects of charge spreading on resolution of optically addressed spatial light modulators," L. Wang, and G. Moddel, Optics��Lett., 19, 2033-2035 (1994).
• "Soliton��switching in ferroelectric liquid crystals and their transient electro-optic response," I.��Abdulhalim, G. Moddel, and N. Clark, J. Appl. Phys., 76, 820-831 (1994).
• "Thin-film��photosensor��design for liquid crystal spatial light modulators," P.R.��Barbier, L. Wang, and G. Moddel, Opt. Engr., 33, 1322-1329 (1994).
• "Alignment layers for improved surface-stabilized ferroelectric liquid-crystal devices," D.��Doroski, S. H.��Perlmutter, and G. Moddel, Appl. Optics, 33, 2608-2610 (1994).
• "High-reflectivity patterned metal mirror used in an optically addressed spatial light modulator," Q.h. Wu, S.H. Perlmutter, R.A. Rice, and G. Moddel, Opt. Engr., 33, 946-950 (1994).
• "Analysis of ions in ferroelectric liquid crystals from hysteresis curves," S.��Perlmutter, D.��Doroski, and G. Moddel, Ferroelectrics,��149, 319-331 (1993).
• "An asynchronous image subtracting optically addressed spatial light modulator," P.R.��Barbier��and G. Moddel,��Amorphous Silicon Technology - 1993,��Vol. 297 (Materials Research Society, Pittsburgh, 1993) pp. 993-998.
• "Integrating mode for an optically addressed spatial light modulator," A.M. Gabor, B.��Landreth, and G. Moddel, Appl. Optics,��32, 3064-3067 (1993).
• "Dynamic��thresholding��with the three-terminal optically addressed spatial light modulator," R.A. Rice, P.J. Close, and G. Moddel,��Amorphous Silicon Technology - 1992,��(Materials Research Society, Pittsburgh, 1992), pp. 1087-1092.
• “Hydrogenated amorphous silicon photodiodes for optical addressing of spatial light modulators,” P.B.��Barbier, and G. Moddel, Appl. Optics,��31, 3898-3907 (1992).
• “Grey-scale response from optically addressed spatial light modulators incorporating surface stabilized ferroelectric liquid crystals,” B.��Landreth, and G. Moddel, Appl. Optics,��31, 3937-3944 (1992).
• “Director-polarization reorientation via solitary waves in ferroelectric liquid crystals,” I.��Abdulhalim, G. Moddel, and N.A. Clark, Appl. Phys.��Lett., 60, 551-553 (1992).
• “Transient recovery of��a-Si:H��p-i-n photodiodes,” P.��Barbier, and G. Moddel,����J. Non-Cryst. Solids,��137 & 138, 1301-1304 (1991).
• “Photovoltaic optically addressed spatial light modulator,” C.C. Mao, B.��Landreth, K.M. Johnson, and G. Moddel, Ferroelectrics,��122, 455-466 (1991).
• “Response time of��a-Si:H��photodiodes for optically addressed spatial light modulators,” G. Moddel, and P.B.��Barbier,��Amorphous Silicon Technology - 1991,��Vol. 219 (Materials Research Society, Pittsburgh, 1991) pp. 155-165.
• “Operating characteristics of an optically addressed spatial light modulator incorporating distorted helix ferroelectric liquid crystal,” B.��Landreth, C.C. Mao, and G. Moddel,��Jpn. J. Appl. Phys., 30, 1400-1404 (1991).
• “Electrically and optically controlled light modulation and color switching using helix distortion of ferroelectric liquid crystals,” I.��Abdulhalim, and G. Moddel, Mol.��Cryst. Liq.��Cryst.,��200, 79-101 (1991).
• “Switching behavior and electro-optic response due to the soft mode ferroelectric effect in chiral��smectic��A liquid crystals,” I.��Abdulhalim, and G. Moddel, Liq.��Cryst., 9, 493-518 (1991).
• “Optical phase conjugation using optically addressed chiral��smectic��liquid crystal spatial light modulators,” C.C. Mao, K.M. Johnson, and G. Moddel, Ferroelectrics,��114, 45-53 (1991).
• “Amorphous silicon for optically addressed spatial light modulators,” G. Moddel, Ch. 11 in��Amorphous and Microcrystalline Semiconductor Devices: Optoelectronic Devices, J.��Kanicki, editor, (Artech��House, Norwood MA, 1991) pp. 369-412
• “High-speed, low-power optical phase conjugation using a hybrid amorphous silicon/ferroelectric-liquid-crystal device,” K.M. Johnson, C.C. Mao, G. Moddel, M.A.��Handschy, and K. Arnett, Optics��Lett.,��15, 1114-1116 (1990).
• “Compensating for light soaking effects in optically addressed spatial light modulators incorporating��a-Si:H��photodiodes,” C.M. Walker, B.��Landreth, and G. Moddel,��Amorphous Silicon Technology,��Vol. 192, (Materials Research Society, Pittsburgh, 1990) pp. 467-472.
• “Joint transform��correlator��using an amorphous silicon ferroelectric liquid crystal spatial light modulator,” D.A. Jared, K.M. Johnson, and G. Moddel, Optics��Commun.,��76, 97-102 (1990).
• "Optically addressed��electroclinic��liquid crystal spatial light modulator with an��a-Si:H��photodiode," I.��Abdulhalim, G. Moddel, K.M. Johnson, and C.M. Walker, J. Non-Cryst. Solids,��115, 162-164 (1989).
• "A three-terminal spatial light modulator optically addressed by an��a-Si:H��photosensor," R.A. Rice, G. Moddel, I.��Abdulhalim, and C.M. Walker, J. Non-Cryst. Solids,��115, 96-98 (1989).
• "High-speed analog spatial light modulator using an��a-Si:H��photosensor��and an��electroclinic��liquid crystal," I.��Abdulhalim, G. Moddel, and K.M. Johnson, Appl. Phys.��Lett. 55, 1603-1605 (1989).
• "High speed binary optically addressed spatial light modulators," G. Moddel, K.M. Johnson, W. Li, R. A. Rice L.A. Pagano-Stauffer, and M.A.��Handschy, Appl. Phys.��Lett. 55, 537-539 (1989).
• "Motivations for using ferroelectric liquid crystal spatial light modulators in��neurocomputing," K.M. Johnson and G. Moddel, Appl. Opt.,��28, 4888-4899 (1989).
• "Hydrogenated amorphous-silicon��photosensor��for optically addressed high-speed spatial light modulators," W. Li, R.A. Rice, G. Moddel, L.A. Pagano-Stauffer, and M.A.��Handschy, IEEE Trans. Electron Devices 36, 2959-2964 (1989).
• "Optical addressing of high-speed spatial light modulators with��a-Si:H," G. Moddel, C.T.��Kuo, K.M. Johnson and W. Li,��Amorphous Silicon Technology,��Vol. 118 (Materials Research Society, Pittsburgh, 1988) pp. 405-410.
• "Electro-optic applications of ferroelectric liquid crystals to optical computing," M.A.��Handschy, K.M. Johnson, G. Moddel and L.A. Pagano-Stauffer, Ferroelectrics��85,��279-289 (1988).