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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 21 — Oct. 10, 2011
  • pp: 19790–19796

Coherence characterization of narrow-linewidth beam by C-OFDR based Rayleigh speckle analysis

Masaaki Inoue, Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito  »View Author Affiliations


Optics Express, Vol. 19, Issue 21, pp. 19790-19796 (2011)
http://dx.doi.org/10.1364/OE.19.019790


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Abstract

A novel method for characterizing the amplitude of a coherence function with respect to a delay between two optical waves is proposed and demonstrated by using a distributional Rayleigh speckle analysis based on C-OFDR. This technique allows us to estimate both the coherence time of the laser and that of the spectral profiles from the measured amplitude of the coherence function, if the symmetry of the spectrum can be assumed. The spectral width obtained in the experiment agrees roughly with that obtained using a delayed self-heterodyne method.

© 2011 OSA

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(120.3180) Instrumentation, measurement, and metrology : Interferometry

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: July 5, 2011
Revised Manuscript: August 23, 2011
Manuscript Accepted: August 23, 2011
Published: September 26, 2011

Citation
Masaaki Inoue, Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito, "Coherence characterization of narrow-linewidth beam by C-OFDR based Rayleigh speckle analysis," Opt. Express 19, 19790-19796 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-21-19790


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