A Dynamic Zone Plate Interferometer for Measuring Aspherical Surfaces

Nagaaki Ohyama; Isao Ichimura; Ikuo Yamaguchi; Toshio Honda; Jumpei Tsujiuchi

doi:10.1364/HOLOGRAPHY.1986.MB1

Topical Meeting on Holography
Technical Digest Series (Optica Publishing Group, 1986),
paper MB1
•https://doi.org/10.1364/HOLOGRAPHY.1986.MB1

A Dynamic Zone Plate Interferometer for Measuring Aspherical Surfaces

Nagaaki Ohyama, Isao Ichimura, Ikuo Yamaguchi, Toshio Honda, and Jumpei Tsujiuchi

Holography 1986

Honolulu, Hawaii United States
31 March–2 April 1986
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Interferometry: 2 (MB)

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N. Ohyama, I. Ichimura, I. Yamaguchi, T. Honda, and J. Tsujiuchi, "A Dynamic Zone Plate Interferometer for Measuring Aspherical Surfaces," in Topical Meeting on Holography, Technical Digest Series (Optica Publishing Group, 1986), paper MB1.

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Abstract

This paper proposes a dynamic zone plate interferometer (DZPI), which has a possibility of measuring aspherical surfaces without the need of either a standard surface or of a computer generated holograms (CGH). The accuracy of surface error measurments can be improved by using a fringe analysis method up to about λ/100. An experimantal result is also presented.

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