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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 36 — Dec. 20, 2002
  • pp: 7499–7509

Evaluation of phase-shifting approaches for a point-diffraction interferometer with the mutual coherence function

Jeffrey D. Barchers and Troy A. Rhoadarmer  »View Author Affiliations


Applied Optics, Vol. 41, Issue 36, pp. 7499-7509 (2002)
http://dx.doi.org/10.1364/AO.41.007499


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Abstract

The estimation accuracy of a point-diffraction interferometer is examined with two phase-shifting schemes: spatial and temporal. Under the assumption of plane- or spherical-wave propagation through isotropic turbulence that can be accurately represented as a series of thin phase screens, results that are valid for any scintillation regime are obtained by use of the invariance with a propagation of the mutual coherence function. It is established that the estimation accuracy of the spatial phase-shifting point-diffraction interferometer is invariant with scintillation. Upper and lower bounds on the performance of the temporal phase-shifting point-diffraction interferometer are developed. Wave optical simulation results are presented that validate the analytic predictions for the two phase-shifting schemes. The results and techniques presented can be used to assess the appropriate phase-shifting scheme given finite resources, such as a limited number of pixels in a detector array or a restricted detector frame rate.

© 2002 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence

History
Original Manuscript: January 2, 2002
Revised Manuscript: August 16, 2002
Published: December 20, 2002

Citation
Jeffrey D. Barchers and Troy A. Rhoadarmer, "Evaluation of phase-shifting approaches for a point-diffraction interferometer with the mutual coherence function," Appl. Opt. 41, 7499-7509 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-36-7499

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