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Applied Optics

Applied Optics


  • Vol. 27, Iss. 3 — Feb. 1, 1988
  • pp: 523–528

Phase measuring Ronchi test

Katsuyuki Omura and Toyohiko Yatagai  »View Author Affiliations

Applied Optics, Vol. 27, Issue 3, pp. 523-528 (1988)

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Use of synchronous phase detection in the conventional Ronchi test is discussed to measure a large amount of wavefront aberration or an aspheric wavefront. This method provides a simple but powerful tool for aspheric surface evaluation. By moving the Ronchi grating sideways, a periodic phase shift in the Ronchigram is introduced for synchronous phase detection. A theoretical interpretation of the Ronchigram and the procedure for an analysis are presented, and experimental results are shown.

© 1988 Optical Society of America

Original Manuscript: July 15, 1987
Published: February 1, 1988

Katsuyuki Omura and Toyohiko Yatagai, "Phase measuring Ronchi test," Appl. Opt. 27, 523-528 (1988)

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