Optical apparatus including a liquid crystal modulator
US5497254A · kind A · utility
42Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1994 |
| Grant date | Mar 5, 1996 |
| Priority date | — |
| Expiry date | Dec 20, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2240/61
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical apparatus for controlling a wave front of a coherent light including at least a coherent light source, an electrically addressable liquid crystal device having a plurality of pixels receiving the light from said light source, and a signal generator for recording a complex amplitude distribution or hologram on the liquid crystal device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.