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U.S. Department of Energy
Office of Scientific and Technical Information

Apparatus for and method of correcting for astigmatism in a light beam reflected off of a light reflecting surface

Patent ·
OSTI ID:6557770
A technique for adjustably correcting for astigmatism in a light beam is disclosed herein. This technique defines a flat, rectangular light reflecting surface having opposite reinforced side edges and which is resiliently bendable, to a limited extent, into different concave and/or convex cylindrical curvatures about a particular axis and provides for adjustably bending the light reflecting surface into one of different curvatures depending upon the astigmatism to be corrected and for fixedly maintaining the curvature selected. In the embodiment disclosed, the light reflecting surface is adjustably bendable into the selected cylindrical curvature by application of a particular bending moment to the reinforced side edges of the light reflecting surface.
Research Organization:
Lawrence Livermore National Lab., CA (USA)
DOE Contract Number:
W-7405-ENG-48
Assignee:
Dept. of Energy
Patent Number(s):
None
Application Number:
ON: DE87007280
OSTI ID:
6557770
Country of Publication:
United States
Language:
English