Defocus measurement using a liquid crystal point diffraction interferometer

An edition of Defocus measurement using a liquid crystal point diffraction interferometer (1994)

Defocus measurement using a liquid crystal point diffraction interferometer

By Carolyn Regan Mercer

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Publish Date

1994

Publisher

National Aeronautics and Space Administration,National Technical Information Service, distributor

Language

eng

Pages

Description:

subjects: Optical measurement, Interferometry, Defocusing, Phase switching interferometers, Liquid crystals, Optical correction procedure