Off-axis paraboloid interferometric mirror with off focus...

Details Off-axis paraboloid interferometric mirror with off focus... Off-axis paraboloid interferometric mirror with off focus...

2005-12-12

2008-10-21

Turner, Samuel A (Department: 2877)

Optics: measuring and testing

By light interference

For dimensional measurement

Reexamination Certificate

active

07440114

ABSTRACT:
An off axis paraboloid mirror is used to provide object illumination in an interferometric imaging system. The light from an object illumination light source diverges from a point apart from the focus point of the paraboloid, proceeds to the parabolic mirror surface, and is reflected as a nearly parallel beam to illuminate the object.

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