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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1741–1755

Second-order intensity-moment characteristics for broadband partially coherent flat-topped beams in atmospheric turbulence

Haidan Mao and Daomu Zhao  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 1741-1755 (2010)
http://dx.doi.org/10.1364/OE.18.001741


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Abstract

Based on the intensity moments and Wigner distribution function, the second-order moments for broadband partially coherent flat-topped (BPCFT) beams in atmospheric turbulence are studied. The beam width of BPCFT beams in atmospheric turbulence is larger than that in free space. The beam width of BPCFT beams in atmospheric turbulence is larger than that of broadband fully coherent flat-topped (BFCFT) beams in atmospheric turbulence. The broader the bandwidth is, the larger the beam width of BPCFT beams becomes. Similar conclusion can be obtained by analyzing the divergence angle and beam propagation factor of BPCFT beams. The beam width of BPCFT beams in atmospheric turbulence is less affected by the broad spectral bandwidth than that in free space. The beam width of BFCFT beams in atmospheric turbulence is less affected by the broad spectral bandwidth than that of BPCFT beams in atmospheric turbulence.

© 2010 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(030.1670) Coherence and statistical optics : Coherent optical effects
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: November 2, 2009
Revised Manuscript: January 5, 2010
Manuscript Accepted: January 10, 2010
Published: January 14, 2010

Citation
Haidan Mao and Daomu Zhao, "Second-order intensity-moment characteristics for broadband partially coherent flat-topped beams in atmospheric turbulence," Opt. Express 18, 1741-1755 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-1741


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