NASA NTRS · 19910070890
Phase conjugate Twyman-Green interferometer for testing conicoidal surfaces
Abstract
An application of a phase conjugate Twyman-Green interferometer for testing a parabolic mirror is demonstrated. The interferometer is free from aberrations due to the self-focusing property of the phase conjugate mirror in one arm of the interferometer. It does not require a precision spherical mirror in the reference arm.
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Shukla, R. P., Dokhanian, Mostafa, Venkateswarlu, Putcha, George, M. C.. 1990-01-01. Phase conjugate Twyman-Green interferometer for testing conicoidal surfaces. https://ntrs.nasa.gov/citations/19910070890
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