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Proceedings Paper

Practical Interferometers
Author(s): W. H. Steel
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Paper Abstract

Lasers have increased the use of interferometers for optical testing and have changed the types that are used. Fizeau and Twyman-Green interferometers with classical sources remain useful for testing flats and flat-sided components, but complete systems are now most easily tested by new common-path interfero-meters and a laser source. Surfaces of unusual shapes can be tested by hologram interference.

Paper Details

Date Published: 16 March 1976
PDF: 8 pages
Proc. SPIE 0073, Quality Assurance in Optical and Electro-Optical Engineering, (16 March 1976); doi: 10.1117/12.954678
Show Author Affiliations
W. H. Steel, CSIRO (Australia)

Published in SPIE Proceedings Vol. 0073:
Quality Assurance in Optical and Electro-Optical Engineering
Lionel R. Baker, Editor(s)

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