Approach for positioning, fabricating, aligning and testing graz

Details Approach for positioning, fabricating, aligning and testing graz Approach for positioning, fabricating, aligning and testing graz

1992-10-20

1995-09-19

Dzierzynski, Paul M.

Optical: systems and elements

Mirror

With support

359853, 359867, 359869, 359871, 359900, 248469, G02B 510, G02B 7198

Patent

active

054521424

ABSTRACT:
A convex, hyperbolic mirror (70) has a concave depression (72) made in a truncated apex end of the mirror. Such a depression may be used for aligning the mirror with respect to a Hindle sphere (74) or a primary mirror (86) in an optical system. An additional depression may be placed in an opposite end of the mirror and used together with the first depression to position the mirror with respect to an axis of rotation thereof to facilitate machining (66) of the mirror or testing (68). Tooling balls (52, 54) may be placed in the depressions and gas passages may be provided in the tooling balls for forming a gas bearing between the depressions and the tooling balls.

REFERENCES:
patent: 3821556 (1974-06-01), Hoover
patent: 4063088 (1977-12-01), Dailey
patent: 4655555 (1987-04-01), Machler et al.

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