Optical interferometer system with CCTV camera for measuring a w

Details Optical interferometer system with CCTV camera for measuring a w Optical interferometer system with CCTV camera for measuring a w

1978-04-21

1980-05-06

Corbin, John K.

Optics: measuring and testing

By polarized light examination

With birefringent element

G01B 902

Patent

active

042014735

ABSTRACT:
Apparatus is disclosed for the generation and display of interference patterns for the purpose of quantifying the distortion of either a surface or a transmitted wavefront. The invention comprises, in one embodiment, means to align the elements comprising the interferometer cavity, means to continuously magnify, i.e., zoom, the aperture diameter of the interference pattern, means to focus either the measured or limiting aperture onto the face of the vidicon, and means for transducing both the alignment spots and the interference pattern with a standard CCTV camera.

REFERENCES:
Tropel (Brochure), "Model 4000 Vertical Interfrometer," Tropel, 1000 Fairport Park, Fairport, N. Y. 14450.

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