Variable focal length deformable mirror

Details Variable focal length deformable mirror Variable focal length deformable mirror

2007-06-12

2007-06-12

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Mirror

Including specified control or retention of the shape of a...

C359S849000

Reexamination Certificate

active

11017337

ABSTRACT:
A variable focal length deformable mirror has an inner ring and an outer ring that simply support and push axially on opposite sides of a mirror plate. The resulting variable clamping force deforms the mirror plate to provide a parabolic mirror shape. The rings are parallel planar sections of a single paraboloid and can provide an on-axis focus, if the rings are circular, or an off-axis focus, if the rings are elliptical. The focal length of the deformable mirror can be varied by changing the variable clamping force. The deformable mirror can generally be used in any application requiring the focusing or defocusing of light, including with both coherent and incoherent light sources.

REFERENCES:
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patent: 6467915 (2002-10-01), Bar et al.
patent: 6820986 (2004-11-01), Dragovan
Warren C. Young, et al, Roark's Formulas for Stress and Strain, McGraw-Hill, Seventh Edition, 2002, Chapter 11.

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