Practical Interferometers

W. H. Steel

doi:10.1117/12.954678

16 March 1976 Practical Interferometers

W. H. Steel

Proceedings Volume 0073, Quality Assurance in Optical and Electro-Optical Engineering; (1976) https://doi.org/10.1117/12.954678
Event: Quality Assurance in Optical and Electro-Optical Engineering, 1975, Delft, Netherlands

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.

Citation Download Citation

W. H. Steel "Practical Interferometers", Proc. SPIE 0073, Quality Assurance in Optical and Electro-Optical Engineering, (16 March 1976); https://doi.org/10.1117/12.954678

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