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Proceedings Paper

Nonpixellated electrically addressed spatial light modulator (SLM) combining an optically addressed SLM with a CRT
Author(s): Narihiro Yoshida; Haruyoshi Toyoda; Yasuhiro Igasaki; Naohisa Mukohzaka; Yuji Kobayashi; Tsutomu Hara
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Paper 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.

Paper Details

Date Published: 23 September 1996
PDF: 5 pages
Proc. SPIE 2885, Holographic Optical Elements and Displays, (23 September 1996); doi: 10.1117/12.251874
Show Author Affiliations
Narihiro Yoshida, Hamamatsu Photonics K.K. (Japan)
Haruyoshi Toyoda, Hamamatsu Photonics K.K. (Japan)
Yasuhiro Igasaki, Hamamatsu Photonics K.K. (Japan)
Naohisa Mukohzaka, Hamamatsu Photonics K.K. (Japan)
Yuji Kobayashi, Hamamatsu Photonics K.K. (Japan)
Tsutomu Hara, Hamamatsu Photonics K.K. (Japan)


Published in SPIE Proceedings Vol. 2885:
Holographic Optical Elements and Displays
Freddie Shing-Hong Lin; Daxiong Xu, Editor(s)

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