Rotatable shear plate interferometer

William C. Sweatt

doi:10.1117/12.55686

1 September 1990 Rotatable shear plate interferometer

William C. Sweatt

Author Affiliations +

Optical Engineering, Vol. 29, Issue 9, (September 1990). https://doi.org/10.1117/12.55686

Abstract

A shear plate interferometer has been installed in a mount that allows the direction of shear to be rotated. With this instrument, the defocus and third-order aberrations in a laser beam can be measured very quickly, usually in about a minute including setup.

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William C. Sweatt "Rotatable shear plate interferometer," Optical Engineering 29(9), (1 September 1990). https://doi.org/10.1117/12.55686

Published: 1 September 1990

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