Electromagnetically driven membrane mirror assembly

Details Electromagnetically driven membrane mirror assembly Electromagnetically driven membrane mirror assembly

2006-09-05

2006-09-05

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C359S872000, C359S846000

Reexamination Certificate

active

07102114

ABSTRACT:
In an optics system, a flexible mirror is deformed with an electromagnetic force. In one embodiment, an electrical current is directed through the mirror, or a conductor attached to the mirror, in the presence of a magnetic field. In one application in an adaptive optics system, the membrane mirror is used in a wavefront sensor. Deformed to oscillate between convex and concave positions, the mirror is used to alternately defocus a received light signal for determining aberrations in the light signal. By detecting aberrations in the light signal, the adaptive optics system can correct for those aberrations.

REFERENCES:
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patent: 6452145 (2002-09-01), Graves et al.
patent: 6839190 (2005-01-01), Nishioka et al.
patent: 6945658 (2005-09-01), Borra et al.
patent: 2002/0196506 (2002-12-01), Graves et al.
patent: 2004/0190000 (2004-09-01), Thibault
patent: 2247323 (1992-02-01), None

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