Paper
1 February 1994 Calibration issues for testing large concave optics in a reflective null configuration
Michael J. Fehniger
Author Affiliations +
Abstract
Testing of large aspheric concave optics to a surface quality of 1/50(lambda) rms or better requires knowledge of the test configuration error sources as the overall test configuration consists of a chain of test optics used to measure the actual optic figure. The intent of this paper is to discuss the testing and calibration techniques used on the Kodak segmented primary mirror with a reflective null compensator. Many of the calibration techniques discussed are applicable to a refractive test configuration (or for that matter, any optical test set).
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael J. Fehniger "Calibration issues for testing large concave optics in a reflective null configuration", Proc. SPIE 1994, Advanced Optical Manufacturing and Testing IV, (1 February 1994); https://doi.org/10.1117/12.167976
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KEYWORDS
Calibration

Wavefronts

Interferometers

Mirrors

Reflectivity

Phase modulation

Optical testing

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