Ultra stable optical element x,y, positioning unit for use in harsh environments
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United States of America Patent
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May 29, 2007
Grant Date -
May 4, 2006
app pub date -
Feb 20, 2003
filing date -
Feb 22, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An X, Y positioning unit, mount or fixture is designed to adjust the position of an optical element mounted in the fixture so as to move it laterally and vertically with respect to the optical axis of the element, such that, once adjusted, the position is maintained through the clamping of plates about the positioning fixture to lock the hinges against movement. In this manner the adjusted position of the optical element is locked in by van der Wall forces exerted by the plates on the fixture, with the locking technique not affecting the alignment. In one embodiment, the fixture includes live hinges which join an optical element holder to a fixed plate and pivot the holder about orthogonal axes crossing at the center of an optical element holder.
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