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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 34 — Dec. 1, 2012
  • pp: 8132–8140

Analysis of multiwavelength coherent beam combining effect

Han Kai, Xu Xiaojun, and Liu Zejin  »View Author Affiliations


Applied Optics, Vol. 51, Issue 34, pp. 8132-8140 (2012)
http://dx.doi.org/10.1364/AO.51.008132


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Abstract

The combination effect of multiwavelength active coherent beam combination (CBC) is investigated theoretically. The dependence of the combination effect on the optical path control precision, spectral width, wavelength number, and channel number is revealed. In the case of small optical path variance, the combination effect approximately decreases in quadratic form with wavelength number N, spectral width Δν, and optical path variance σ increasing. In the case of large optical path variance, the combination effect is independent of the optical path variance and the spectral width. The larger the wavelength number is, the smaller the Strehl ratio expectation is, and it finally degenerates to the incoherent combination. The necessity of optical path control is discussed. This study is helpful for multiwavelength CBC system design and the combination effect estimation.

© 2012 Optical Society of America

OCIS Codes
(060.2630) Fiber optics and optical communications : Frequency modulation
(140.3298) Lasers and laser optics : Laser beam combining
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: September 21, 2012
Manuscript Accepted: October 5, 2012
Published: November 28, 2012

Citation
Han Kai, Xu Xiaojun, and Liu Zejin, "Analysis of multiwavelength coherent beam combining effect," Appl. Opt. 51, 8132-8140 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-34-8132

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