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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 16, Iss. 1 — Jan. 1, 1999
  • pp: 131–140

Improved Ronchi test with extended source

Joseph Braat and Augustus J. E. M. Janssen  »View Author Affiliations

JOSA A, Vol. 16, Issue 1, pp. 131-140 (1999)

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A modified Ronchi test with an extended source is presented. By the use of a matched pair of source grating and Ronchi grating, a pure shearogram between two shifted wave fronts is obtained, and the extra interference with other disturbing grating orders is largely suppressed by the use of a specific grating layout.

© 1999 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1380) Diffraction and gratings : Binary optics
(050.1950) Diffraction and gratings : Diffraction gratings
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(100.2960) Image processing : Image analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry

Original Manuscript: April 27, 1998
Revised Manuscript: August 17, 1998
Manuscript Accepted: September 3, 1998
Published: January 1, 1999

Joseph Braat and Augustus J. E. M. Janssen, "Improved Ronchi test with extended source," J. Opt. Soc. Am. A 16, 131-140 (1999)

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