Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer

Yun Woo Lee; Hyun-Mo Cho; In Won Lee

doi:10.1117/1.600919

1 February 1996 Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer

Yun Woo Lee, Hyun-Mo Cho, In Won Lee

Optical Engineering, Vol. 35, Issue 2, (February 1996). https://doi.org/10.1117/1.600919

We describe a simple method for measuring the long radius of curvature by using a half-aperture bidirectional shearing interferometer. The method is based on the direct comparison of the fringe widths in the two fields. This is very convenient for quantitative interpretation of the fringes. Detailed analyses for optical arrangements and achievable accuracy are presented.

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Yun Woo Lee, Hyun-Mo Cho, and In Won Lee "Measurement of a long radius of curvature using a half-aperture bidirectional shearing interferometer," Optical Engineering 35(2), (1 February 1996). https://doi.org/10.1117/1.600919

Published: 1 February 1996

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