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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 27 — Sep. 20, 2008
  • pp: 4868–4873

Phase-difference detection based on a double position sensing detector configuration for coherent combination

Pu Zhou, Zejin Liu, and Xiaojun Xu  »View Author Affiliations


Applied Optics, Vol. 47, Issue 27, pp. 4868-4873 (2008)
http://dx.doi.org/10.1364/AO.47.004868


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Abstract

Phase-difference detection based on a double position sensing detector (PSD) configuration for coherent combination is proposed in this paper. The exact phase difference can be extracted from two PSD signals by using an algorithm, which can be used as the driven signal added to the phase modulator for phase-difference compensation. Numerical calculation considering practical experimental conditions was performed to show that the method is of great potential for coherent combination.

© 2008 Optical Society of America

OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3290) Lasers and laser optics : Laser arrays

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: June 16, 2008
Manuscript Accepted: August 3, 2008
Published: September 12, 2008

Citation
Pu Zhou, Zejin Liu, and Xiaojun Xu, "Phase-difference detection based on a double position sensing detector configuration for coherent combination," Appl. Opt. 47, 4868-4873 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-27-4868


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