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Applied Optics

Applied Optics


  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 30 — Oct. 20, 2005
  • pp: 6506–6510

Femtosecond laser speckles

Wenjun Liu and Changhe Zhou  »View Author Affiliations

Applied Optics, Vol. 44, Issue 30, pp. 6506-6510 (2005)

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The concept of femtosecond laser speckles is put forward. The theory of a speckle pattern in light of finite bandwidth is applied to describe femtosecond laser speckles. Basic representations of the contrast and the spectral correlation of femtosecond laser speckles are presented. The relationship between the speckle contrast and the bandwidth of a femtosecond laser is given. Experimental results are given that indicate an obvious difference between the speckle patterns produced by a continuous-wave laser and those produced by a femtosecond laser.

© 2005 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(290.5880) Scattering : Scattering, rough surfaces
(320.7120) Ultrafast optics : Ultrafast phenomena

ToC Category:
Ultrafast Optics

Original Manuscript: January 4, 2005
Revised Manuscript: May 25, 2005
Manuscript Accepted: May 31, 2005
Published: October 20, 2005

Wenjun Liu and Changhe Zhou, "Femtosecond laser speckles," Appl. Opt. 44, 6506-6510 (2005)

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