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Title of Journal: Appl Phys B

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Abbravation: Applied Physics B

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Springer-Verlag

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DOI

10.1007/s003940050057

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1432-0649

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Scintillations of laser array beams

Authors: HT Eyyuboğlu Y Baykal Y Cai
Publish Date: 2008/03/11
Volume: 91, Issue: 2, Pages: 265-271
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Abstract

The scintillation index of a laser array beam is analytically derived and numerically evaluated for weak turbulence conditions Onaxis as well as offaxis positions of the receiver plane are considered Our graphical illustrations prove that at longer propagation ranges and at some midrange radial displacement parameters laser array beams exhibit less scintillations when compared to a fundamental Gaussian beam However when compared among themselves laser array beams tend to have reduced scintillations with rising numbers of beamlets longer propagation wavelengths at midrange radial displacement parameters at intermediate Gaussian source sizes at bigger inner scales and smaller outer scales of turbulence However in this improvement the number of beamlets does not seem to have a major role

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