Spatial light modulator system
US5264951A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/135
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.