Multi-object wavefront sensor with spatial filtering

Details Multi-object wavefront sensor with spatial filtering Multi-object wavefront sensor with spatial filtering

2007-04-11

2009-12-29

Lyons, Michael A (Department: 2877)

Optics: measuring and testing

By light interference

For dimensional measurement

C351S211000

Reexamination Certificate

active

07639369

ABSTRACT:
The present invention relates to an adaptive optics sensor intended for simultaneous detection of several wavefronts on a common camera target. The sensor is intended for use in connection with multi-conjugate adaptive optics (MCAO), where several wavefront measurements are needed at the same time. The sensor includes a spatial filter taking out signals resulting from parasitic reflections of the reference sources and from unwanted parts of the object.

REFERENCES:
patent: 5629765 (1997-05-01), Schmutz
patent: 6338559 (2002-01-01), Williams et al.
patent: 6382795 (2002-05-01), Lai
patent: 6634750 (2003-10-01), Neal et al.
patent: 6890076 (2005-05-01), Roorda
patent: 2004/0130705 (2004-07-01), Topa
patent: 2007/0171366 (2007-07-01), Su et al.

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