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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 19 — Oct. 1, 1988
  • pp: 4139–4142

Sinusoidal phase modulating interferometer using optical fibers for displacement measurement

Osami Sasaki and Kazuhide Takahashi  »View Author Affiliations


Applied Optics, Vol. 27, Issue 19, pp. 4139-4142 (1988)
http://dx.doi.org/10.1364/AO.27.004139


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Abstract

We propose a sinusoidal phase modulating (SPM) interferometer for displacement measurement. The displacement is obtained by processing the detected signal with a microcomputer. The optical configuration of the SPM interferometer is simple because an optical fiber is effectively used to produce sinusoidal phase modulation. The movements of a piezoelectric transducer and the surface profile of a diamond-turned aluminum disk are measured with high accuracy (a few nanometers).

© 1988 Optical Society of America

History
Original Manuscript: December 30, 1987
Published: October 1, 1988

Citation
Osami Sasaki and Kazuhide Takahashi, "Sinusoidal phase modulating interferometer using optical fibers for displacement measurement," Appl. Opt. 27, 4139-4142 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-19-4139


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