Propagation of a general multi-Gaussian beam in turbulent atmosphere in a slant path
JOSA A, Vol. 25, Issue 1, pp. 74-79 (2008)
http://dx.doi.org/10.1364/JOSAA.25.000074
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Abstract
The propagation of a multi-Gaussian beam in turbulent atmosphere in a slant path is studied. The analytical expression for the average intensity of a general multi-Gaussian beam is derived. As special cases the average intensities of a two- and a four-Gaussian beam are investigated and numerically calculated. The investigation reveals that at lower altitude and with large σ the intensity distribution at the receiver plane can have a shape (multiple peaks) similar to that at the source plane. But with increase in altitude or decrease in σ, the multiple peaks gradually disappear and evolve into the profile of a fundamental Gaussian beam. From the comparisons between the different propagations we can see that the beam spreading due to wavelength and initial waist width in a slant path is much slower than that in a horizontal path.
© 2008 Optical Society of America
OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
ToC Category:
Atmospheric and oceanic optics
History
Original Manuscript: June 19, 2007
Manuscript Accepted: October 12, 2007
Published: December 6, 2007
Citation
Xiuxiang Chu, Zejin Liu, and Yi Wu, "Propagation of a general multi-Gaussian beam in turbulent atmosphere in a slant path," J. Opt. Soc. Am. A 25, 74-79 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-1-74
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