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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 9 — Mar. 20, 2008
  • pp: 1327–1335

Tilt sensitivity of the two-grating interferometer

Christopher N. Anderson and Patrick P. Naulleau  »View Author Affiliations


Applied Optics, Vol. 47, Issue 9, pp. 1327-1335 (2008)
http://dx.doi.org/10.1364/AO.47.001327


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Abstract

Fringe formation in the two-grating interferometer is analyzed in the presence of a small parallelism error between the diffraction gratings assumed in the direction of grating shear. Our analysis shows that with partially coherent illumination, fringe contrast in the interference plane is reduced in the presence of nonzero grating tilt with the effect proportional to the grating tilt angle and the grating spatial frequencies. Our analysis also shows that for a given angle between the gratings there is an angle between the final grating and the interference plane that optimizes fringe contrast across the field.

© 2008 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.0050) Diffraction and gratings : Diffraction and gratings
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(110.3175) Imaging systems : Interferometric imaging

ToC Category:
Imaging Systems

History
Original Manuscript: October 2, 2007
Revised Manuscript: January 4, 2008
Manuscript Accepted: January 9, 2008
Published: March 18, 2008

Citation
Christopher N. Anderson and Patrick P. Naulleau, "Tilt sensitivity of the two-grating interferometer," Appl. Opt. 47, 1327-1335 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-9-1327

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