Wavefront control system using optical coarse/fine gradient sensor
US4950878A · kind A · utility
21Cited by
4References
6Claims
0Family size
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Key dates
| Filing date | Apr 12, 1989 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Apr 12, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J9/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An adaptive optics wavefront control system is presented wherein phase errors are reduced to a minimum using a coarse/fine gradient sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.