Improved Ronchi test with extended source
JOSA A, Vol. 16, Issue 1, pp. 131-140 (1999)
http://dx.doi.org/10.1364/JOSAA.16.000131
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Abstract
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
[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
Citation
Joseph Braat and Augustus J. E. M. Janssen, "Improved Ronchi test with extended source," J. Opt. Soc. Am. A 16, 131-140 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-1-131
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