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Proceedings Paper

Heterodyne Interferometer For Alignment Of The Two Elements Of A Reflaxicon
Author(s): Robert A. Field
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Paper Abstract

The design of a heterodyne interferometer to align the two elements of a reflaxicon is described. The discussion covers the optical, electro-optical, and mechanical design. In this application the interferometer is required to measure the phase variations across the wavefront of a probe beam that returns from the test optics. The measurement must have high resolution and be completed within about one second. The test wavefront must be corrected to remove system figure errors, alignment optics errors, and dynamic disturbance effects. The corrected wavefront is then processed to separate effects due to each degree of freedom of misalignment of the reflaxicon. Then each degree of freedom can be corrected by commands to mirror mount actuators from an alignment computer.

Paper Details

Date Published: 31 December 1980
PDF: 8 pages
Proc. SPIE 0251, Optical Alignment I, (31 December 1980); doi: 10.1117/12.959452
Show Author Affiliations
Robert A. Field, Rockwell International (United States)

Published in SPIE Proceedings Vol. 0251:
Optical Alignment I
Richard N. Shagam; William C. Sweatt, Editor(s)

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