Transmission and phase measurement for polarization eigenvectors in twisted-nematic liquid crystal spatial light modulators

Ignacio Moreno; Jeffrey A. Davis; Kevin G. DNelly

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Transmission and phase measurement for polarization eigenvectors in twisted-nematic liquid crystal spatial light modulators

机译：Transmission and phase measurement for polarization eigenvectors in twisted-nematic liquid crystal spatial light modulators

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Recently we published theoretical expressions for the eigenvalues and eigenvectors for a twisted-nematic liquid crystal spatial light modulator (LCSLM) as a function of the twist angle and birefringence using the Jones matrix formalism. These polarization eigenvectors are of interest for newer video graphics adapter (VGA) resolution (640 × 480 pixels) LCSLMs that are thinner and consequently have a lower birefringence. Although these devices can produce excellent amplitude modulation, they cannot achieve phase-only modulation using linearly polarized light. In these cases, the polarization eigenvectors are required to obtain phase-only modulation. We present experimental measurements for both the transmission and phase shift for these polarization eigenvectors. These results are in excellent agreement with theory and show that phase-only modulation can be obtained for these high-resolution LCSLMs.#1998 Society of Photo-Optical Instrumentation Engineers.S0091-3286(98)00411-5 Subject terms: liquid crystals; spatial light modulators; displays; phase modulation; birefringence; polarization. Paper 980147 received Apr. 13, 1998; revised manuscript received June 22, 1998; accepted for publication June 25, 1998.

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《Optical Engineering》 |1998年第12期|3048-3052|共5页
作者
Ignacio Moreno; Jeffrey A. Davis; Kevin G. DNelly;
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Universitat de Valencia Departament Interuniversitari d'Optica C/Dr. Moliner 50/ E-46100 Burjassot Spain;

San Diego State University Department of Physics San Diego,/ California 92182;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
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Transmission and phase measurement for polarization eigenvectors in twisted-nematic liquid crystal spatial light modulators

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