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Propagation of coherently combined truncated laser beam arrays with beam distortions in non-Kolmogorov turbulence |
Applied Optics, Vol. 51, Issue 23, pp. 5609-5618 (2012)
http://dx.doi.org/10.1364/AO.51.005609
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Abstract
The propagation properties of coherently combined truncated laser beam arrays with beam distortions through non-Kolmogorov turbulence are studied in detail both analytically and numerically. The analytical expressions for the average intensity and the beam width of coherently combined truncated laser beam arrays with beam distortions propagating through turbulence are derived based on the combination of statistical optics methods and the extended Huygens–Fresnel principle. The effect of beam distortions, such as amplitude modulation and phase fluctuation, is studied by numerical examples. The numerical results reveal that phase fluctuations have significant influence on the spreading of coherently combined truncated laser beam arrays in non-Kolmogorov turbulence, and the effects of the phase fluctuations can be negligible as long as the phase fluctuations are controlled under a certain level, i.e.,
© 2012 Optical Society of America
OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.7060) Atmospheric and oceanic optics : Turbulence
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: March 26, 2012
Manuscript Accepted: June 20, 2012
Published: August 2, 2012
Citation
Rumao Tao, Lei Si, Yanxing Ma, Pu Zhou, and Zejin Liu, "Propagation of coherently combined truncated laser beam arrays with beam distortions in non-Kolmogorov turbulence," Appl. Opt. 51, 5609-5618 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-23-5609
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