Large-aperture high-accuracy lateral shearing interferometer utilizing a Twyman-Green interferometer

Details Large-aperture high-accuracy lateral shearing interferometer utilizing a Twyman-Green interferometer Large-aperture high-accuracy lateral shearing interferometer utilizing a Twyman-Green interferometer

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1527..423h&link_type=abstract

Proc. SPIE Vol. 1527, p. 423-426, Current Developments in Optical Design and Optical Engineering, Robert E. Fischer; Warren J. S

Physics

Scientific paper

This paper puts forward a new large-aperture high-accuracy interferometer for flow visualization and optical shop testing. The interferometer uses a Twyman-Green interferometer as a beam splitter, and a grating as a detector. Using this interferometer to measure the flow fields in a shock tunnel and to test optical elements obtained some satisfactory results.

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