Optical apparatus for controlling the wavefront of a coherent light
US5682214A · kind A · utility
72Cited by
17References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 13, 1995 |
| Grant date | Oct 28, 1997 |
| Priority date | — |
| Expiry date | Dec 13, 2015 |
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.