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