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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 12 — Jun. 15, 2010
  • pp: 2079–2081

Suppression of fundamental-frequency phase errors in phase-shifting interferometry

Jan Burke  »View Author Affiliations


Optics Letters, Vol. 35, Issue 12, pp. 2079-2081 (2010)
http://dx.doi.org/10.1364/OL.35.002079


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Abstract

I develop and test several new phase-shifting formulas for a Fizeau interferometer, using a spherical cavity of high NA. The associated phase-shift miscalibrations provide a useful range for testing phase-shift error compensation experimentally. After removing the “double-frequency” cyclic phase variation from the error-fringe pattern by well-known methods, the residual phase oscillations occur mainly at 1 and 3 times the fringe frequency. The latter can be addressed by the theory of characteristic polynomials; the former cannot, but is removed by a variation on known averaging methods, and allows empirical optimization of phase-reconstruction performance, which can then be analyzed with characteristic polynomials again.

© 2010 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4800) Instrumentation, measurement, and metrology : Optical standards and testing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(220.4840) Optical design and fabrication : Testing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 25, 2010
Revised Manuscript: May 4, 2010
Manuscript Accepted: May 7, 2010
Published: June 10, 2010

Citation
Jan Burke, "Suppression of fundamental-frequency phase errors in phase-shifting interferometry," Opt. Lett. 35, 2079-2081 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-12-2079

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