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Analytical formula for a decentered elliptical Gaussian beam propagating in a turbulent atmosphere
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2007 (English)In: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 271, no 2, 509-516 p.Article in journal (Refereed) Published
Abstract [en]

Analytical formulas for the average intensity and decentered parameter of a decentered elliptical Gaussian beam (DEGB) propagating in a turbulent atmosphere are derived in a tensor form. The propagation properties of a DEGB in a turbulent atmosphere are investigated in detail, and found to be different from that in free space. Furthermore, as an application example, we investigate the propagation of a decentered elliptical flat-topped beam (DEFB) by expressing its electric field as a finite sum of DEGBs in a turbulent atmosphere. The properties of a DEGB or a DEFB in a turbulent atmosphere are closely related with the beam's parameters and the structure constant of the turbulent atmosphere.

Place, publisher, year, edition, pages
2007. Vol. 271, no 2, 509-516 p.
Keyword [en]
FLAT-TOPPED PROFILES, SCHELL-MODEL BEAMS, LASER-BEAMS, AVERAGE INTENSITY, OPTICAL-SYSTEMS, LIGHT-BEAMS
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-36041DOI: 10.1016/j.optcom.2006.10.045ISI: 000244488900034Scopus ID: 2-s2.0-33846194252OAI: oai:DiVA.org:kth-36041DiVA: diva2:430003
Note
QC 20110706Available from: 2011-07-06 Created: 2011-07-06 Last updated: 2017-12-11Bibliographically approved

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