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  Scintillations of laser array beams

Eyyuboglu, H. T., Baykal, Y., & Cai, Y. (2008). Scintillations of laser array beams. APPLIED PHYSICS B-LASERS AND OPTICS, 91(2), 265-271. doi:10.1007/s00340-008-2966-x.

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 Creators:
Eyyuboglu, H. T.1, Author
Baykal, Y.1, Author
Cai, Y.2, Author           
Affiliations:
1external, ou_persistent22              
2Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364712              

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Free keywords: DECENTERED GAUSSIAN BEAMS; TURBULENT ATMOSPHERE; PROPAGATION; INTENSITY; INDEXOptics; Physics;
 Abstract: The scintillation index of a laser array beam is analytically derived and numerically evaluated for weak turbulence conditions. On-axis as well as off-axis 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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Language(s): eng - English
 Dates: 2008
 Publication Status: Published in print
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000255392500009
DOI: 10.1007/s00340-008-2966-x
 Degree: -

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Title: APPLIED PHYSICS B-LASERS AND OPTICS
Source Genre: Journal
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Publ. Info: 233 SPRING STREET, NEW YORK, NY 10013 USA : SPRINGER
Pages: - Volume / Issue: 91 (2) Sequence Number: - Start / End Page: 265 - 271 Identifier: ISSN: 0946-2171