A new technique for measuring radius of curvature using half-aperture bidirectional shearing interferometer

Yun Woo Lee

doi:10.1117/12.2298993

1 September 1996 A new technique for measuring radius of curvature using half-aperture bidirectional shearing interferometer

Yun Woo Lee

Author Affiliations +

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 277833 (1996) https://doi.org/10.1117/12.2298993
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

A method for measuring the long radius of curvature with a modified half-aperture bidirectional shearing interferometer is described. A plane mirror of the interferometer is replaced by the test mirror and the incident beam is noncollimated by moving the point source of the collimating lens. This method can be applied to concave and convex surfaces.

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Yun Woo Lee "A new technique for measuring radius of curvature using half-aperture bidirectional shearing interferometer", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 277833 (1 September 1996); https://doi.org/10.1117/12.2298993

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