Spatial light modulator system

Details Spatial light modulator system Spatial light modulator system

1992-11-23

1993-11-23

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 72, 359250, 359256, 359259, G02F 103, G02F 11347, G02F 1135, G03B 2114

Patent

active

052649512

ABSTRACT:
There is provided an optical system for a spatial light modulator. The system comprises a light source for emitting an unpolarized light, a separator for separating a first linearly polarized light having a specified plane of polarization from the unpolarized light and polarizer for rotating the plane of polarization of the first linearly polarized light at a specified angle different from the specified angle to obtain a second linearly polarized light, wherein the second linearly polarized light is adopted as a reading light. Also provided is a method of photomodulation, comprising the steps of separating a light in the region of a specified wavelength from an unpolarized light, separating a first linearly polarized light having a specified plane of polarization from the light and obtaining a second linearly polarized light by rotating the plane of polarization of the first linearly polarized light at a specified angle.

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