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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 1 — Jan. 1, 2010
  • pp: 70–72

Experimental observation of invariance of spectral degree of coherence with change in bandwidth of light

Bhaskar Kanseri and Hem Chandra Kandpal  »View Author Affiliations


Optics Letters, Vol. 35, Issue 1, pp. 70-72 (2010)
http://dx.doi.org/10.1364/OL.35.000070


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Abstract

An experimental study is conducted to show the effect of the change in bandwidth of light on the spectral degree of coherence at a pair of points in the cross section of a beam. For this purpose a polychromatic source and a monochromator with variable entrance and exit slits were used to produce a variable bandwidth source. The classic Young’s interferometer was used to produce an interference pattern. The spectral measurements of the visibility of the interference fringes show that the spectral degree of coherence remains unaffected by the change in the frequency passband of the light.

© 2009 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1640) Coherence and statistical optics : Coherence
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology

ToC Category:
Physical Optics

History
Original Manuscript: August 28, 2009
Manuscript Accepted: November 16, 2009
Published: December 24, 2009

Citation
Bhaskar Kanseri and Hem Chandra Kandpal, "Experimental observation of invariance of spectral degree of coherence with change in bandwidth of light," Opt. Lett. 35, 70-72 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-1-70

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