Nonpixellated electrically addressed spatial light modulator (SLM) combining an optically addressed SLM with a CRT

Narihiro Yoshida; Haruyoshi Toyoda; Yasuhiro Igasaki; Naohisa Mukohzaka; Yuji Kobayashi; Tsutomu Hara

doi:10.1117/12.251874

23 September 1996 Nonpixellated electrically addressed spatial light modulator (SLM) combining an optically addressed SLM with a CRT

Narihiro Yoshida, Haruyoshi Toyoda, Yasuhiro Igasaki, Naohisa Mukohzaka, Yuji Kobayashi, Tsutomu Hara

Author Affiliations +

Proceedings Volume 2885, Holographic Optical Elements and Displays; (1996) https://doi.org/10.1117/12.251874
Event: Photonics China '96, 1996, Beijing, China

Abstract

Parallel aligned liquid crystal-spatial light modulator (PAL-SLM) has been applied to an optical interconnection system by a CGH technique. In the system, the PAL-SLM is expected to have electrically addressed capability. We have developed a CRT coupled PAL-SLM that can be electrically addressed. For that purpose, the CRT have been designed and evaluated on a fluorescence spectrum and an afterglow time of a phosphor to suit PAL-SLM features. And we have also evaluated two coupling methods between the CRT and the PAL- SLM ; one is a relay lens coupling method and the other is a fiber optic plate (FOP) coupling method. Consequently, it can be concluded that a combination of a red phosphor with a long afterglow time and the FOP coupling method is suitable for the CGH application. We can get a fine and noiseless CGH reconstruction image by using this module.

Citation Download Citation

Narihiro Yoshida, Haruyoshi Toyoda, Yasuhiro Igasaki, Naohisa Mukohzaka, Yuji Kobayashi, and Tsutomu Hara "Nonpixellated electrically addressed spatial light modulator (SLM) combining an optically addressed SLM with a CRT", Proc. SPIE 2885, Holographic Optical Elements and Displays, (23 September 1996); https://doi.org/10.1117/12.251874

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