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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 22 — Aug. 1, 2007
  • pp: 5321–5328

Experimental evidence of the spatial coherence moiré and the filtering of classes of radiator pairs

Roman Castaneda, Mario Usuga-Castaneda, and Jorge Herrera-Ramírez  »View Author Affiliations


Applied Optics, Vol. 46, Issue 22, pp. 5321-5328 (2007)
http://dx.doi.org/10.1364/AO.46.005321


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Abstract

Evidence of the physical existence of the spatial coherence moiré is obtained by confronting numerical results with experimental results of spatially partial interference. Although it was performed for two particular cases, the results reveal a general behavior of the optical fields in any state of spatial coherence. Moreover, the study of the spatial coherence moiré deals with a new type of filtering, named filtering of classes of radiator pairs, which allows changing the power spectrum at the observation plane by modulating the complex degree of spatial coherence, without altering the power distribution at the aperture plane or introducing conventional spatial filters. This new procedure can optimize some technological applications of actual interest, as the beam shaping for instance.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.4120) Instrumentation, measurement, and metrology : Moire' techniques

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: January 29, 2007
Revised Manuscript: April 22, 2007
Manuscript Accepted: May 4, 2007
Published: July 12, 2007

Citation
Roman Castaneda, Mario Usuga-Castaneda, and Jorge Herrera-Ramírez, "Experimental evidence of the spatial coherence moiré and the filtering of classes of radiator pairs," Appl. Opt. 46, 5321-5328 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-22-5321

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