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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 34 — Dec. 1, 2010
  • pp: 6612–6616

Parallel phase-shifting interferometry based on Michelson-like architecture

Junwei Min, Baoli Yao, Peng Gao, Rongli Guo, Juanjuan Zheng, and Tong Ye  »View Author Affiliations


Applied Optics, Vol. 49, Issue 34, pp. 6612-6616 (2010)
http://dx.doi.org/10.1364/AO.49.006612


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Abstract

In this paper, we present a new scheme for parallel phase-shifting interferometry that employs a Michelson-like architecture and a simple polarization unit to generate two phase-shifting interferograms with phase shift of π / 2 at a single camera exposure. The parallel phase-shifting unit is built with simple optical components, and the distance between the parallel interferograms can be adjusted conveniently. Phase reconstruction is performed by using an algorithm developed for two-step phase-shifting inter ferometry. The practicability of the proposed configuration and the reconstruction method is demonstrated by experiments.

© 2010 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(090.2880) Holography : Holographic interferometry
(180.3170) Microscopy : Interference microscopy
(260.5430) Physical optics : Polarization

ToC Category:
Diffraction and Gratings

History
Original Manuscript: August 24, 2010
Manuscript Accepted: October 25, 2010
Published: November 24, 2010

Citation
Junwei Min, Baoli Yao, Peng Gao, Rongli Guo, Juanjuan Zheng, and Tong Ye, "Parallel phase-shifting interferometry based on Michelson-like architecture," Appl. Opt. 49, 6612-6616 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-34-6612

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