Interferometer having glass graphite bearing
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United States of America Patent
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Apr 20, 1999
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N/A
app pub date -
Jan 8, 1992
filing date -
Jan 8, 1992
priority date (Note) -
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Abstract
A bearing for allowing the movement of a movable mirror in a Michelson interferometer includes a stationary hollow glass cylinder and a movable assembly which includes the movable mirror and at least one graphite member, the graphite member being slidably disposed within the bore of the glass cylinder. Preferably, there is an anti-rotation system for the movable assembly which includes a post coupled with the movable assembly, a magnet mounted on one end of the post and a stationary guide rail positioned substantially parallel to the axis of rotation of the movable assembly and at a predetermined radial distance from the movable assembly.
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