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Proceedings Paper

Microchannel Spatial Light Modulator With Improved Resolution And Contrast Ratio
Author(s): Tsutomu Hara; Yoshiharu Doi; Takahito Kato; Yoshiji Suzuki
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Paper Abstract

The performance of an improved Microchannel Spatial Light Modulator is discussed. In order to improve the spatial resolution, a very thin crystal (approx. 50μm thickness) is adopted and the device structure is refined. This new device has a spatial resolution of approx. 10 1p/mm at 50 % modulation. Also, the contrast ratio is improved. It is achieved by coating the surface for the charge storage of the crystal with a dielectric mirror and coating the opposite surface with an anti-reflection coating. Moreover both surfaces of the output glass window are coated with an anti-reflection coating. The improved contrast ratio is more than 3000:1.

Paper Details

Date Published: 16 June 1986
PDF: 5 pages
Proc. SPIE 0613, Nonlinear Optics and Applications, (16 June 1986); doi: 10.1117/12.960403
Show Author Affiliations
Tsutomu Hara, Hamamatsu Photonics K.K. (Japan)
Yoshiharu Doi, Hamamatsu Photonics K.K. (Japan)
Takahito Kato, Hamamatsu Photonics K.K. (Japan)
Yoshiji Suzuki, Hamamatsu Photonics K.K. (Japan)

Published in SPIE Proceedings Vol. 0613:
Nonlinear Optics and Applications
Pochi Yeh, Editor(s)

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