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Proceedings Paper

A new technique for measuring radius of curvature using half-aperture bidirectional shearing interferometer
Author(s): Yun Woo Lee
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Paper 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.

Paper Details

Date Published: 1 September 1996
PDF: 2 pages
Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 277833 (1 September 1996); doi: 10.1117/12.2298993
Show Author Affiliations
Yun Woo Lee, Korea Research Institute of Standards and Science (Korea, Republic of)


Published in SPIE Proceedings Vol. 2778:
17th Congress of the International Commission for Optics: Optics for Science and New Technology
Joon-Sung Chang; Jai-Hyung Lee; ChangHee Nam, Editor(s)

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