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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 9 — Mar. 20, 2013
  • pp: 1913–1918

Low-cost, phase-shifting mechanisms for Newton-type interferometers

Joel Herrera, Esteban Luna, Luis Salas, Erika Sohn, and Elfego Ruiz  »View Author Affiliations


Applied Optics, Vol. 52, Issue 9, pp. 1913-1918 (2013)
http://dx.doi.org/10.1364/AO.52.001913


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Abstract

Using standard optical shop equipment, it is possible to implement simple, low-cost, phase-shifting Newton interferometers sufficiently accurate for surface evaluation. The simplification of the phase-shifting mechanism is compensated with image-processing algorithms that can deal with vibrations and uneven, nonsequential steps. The results are cross-compared with a Fizeau phase-shifting interferometer to verify the effectiveness of the method.

© 2013 Optical Society of America

OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(000.4430) General : Numerical approximation and analysis
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(100.3175) Image processing : Interferometric imaging

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: November 27, 2012
Revised Manuscript: February 16, 2013
Manuscript Accepted: February 17, 2013
Published: March 14, 2013

Citation
Joel Herrera, Esteban Luna, Luis Salas, Erika Sohn, and Elfego Ruiz, "Low-cost, phase-shifting mechanisms for Newton-type interferometers," Appl. Opt. 52, 1913-1918 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-9-1913

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