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Opt Express. 2008 Sep 29;16(20):15834-46.

Active laser radar systems with stochastic electromagnetic beams in turbulent atmosphere.

Author information

1
Max-Planck-Research-Group, Institute of Optics, Information and Photonics, University of Erlangen, Staudtstr. 7/B2.D-91058 Erlangen, Germany. yangjian_cai@yahoo.com.cn

Abstract

Propagation of stochastic electromagnetic beams through paraxial ABCD optical systems operating through turbulent atmosphere is investigated with the help of the ABCD matrices and the generalized Huygens-Fresnel integral. In particular, the analytic formula is derived for the cross-spectral density matrix of an electromagnetic Gaussian Schell-model (EGSM) beam. We applied our analysis for the ABCD system with a single lens located on the propagation path, representing, in a particular case, the unfolded double-pass propagation scenario of active laser radar. Through a number of numerical examples we investigated the effect of local turbulence strength and lens' parameters on spectral, coherence and polarization properties of the EGSM beam.

PMID:
18825220
DOI:
10.1364/oe.16.015834
[Indexed for MEDLINE]

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