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Accession number:       
20161502223262
        Title:        Propagation properties of multi-Gaussian schell-model beams through oceanic turbulence
        Authors:        Fu, Wenyu1 Email author qytcfwy@sina.com; Zhang, Hanmou1; Zheng, Xingrong1
        Author affiliation:        1 Department of Physics, Long-Dong University, Qingyang; Gansu, China
        Source title:        Zhongguo Jiguang/Chinese Journal of Lasers
        Abbreviated source title:        Zhongguo Jiguang
        Volume:        42
        Issue date:        September 10, 2015
        Publication year:        2015
        Article number:        s113002
        Language:        English
        ISSN:        02587025
        CODEN:        ZHJIDO
        Document type:        Journal article (JA)
        Publisher:        Science Press
        Abstract:        Based on the model developed recently for describing a spatial power spectrum function of clear oceanic water and the extended Huygens-Fresnel integral in linear media, the effects of oceanic turbulence on propagation properties of a multi-Gaussian Schell-model (MGSM) beam is studied. The analytic expressions such as the spectral density, the degree of coherence and the propagation factor M2of the beam are derived. Numerical results show that, the oceanic turbulence has a significant influence on propagation properties of a MGSM beam. With the suitable choice of beam parameters, the center of the intensity profile not only forms a plateau in the far-field but also the formed plateau can keep a long distance in oceanic turbulence. Furthermore, a MGSM beam with a large source parameter N could further reduce turbulence-induced spreading effect. © 2016, Chinese Lasers Press. All right reserved.
        Number of references:        28
        Page count:        10
        Main heading:        Gaussian beams
        Controlled terms:        Coherent light - Gaussian distribution - Spectral density - Turbulence
        Uncontrolled terms:        Degree of coherence - Gaussian Schell-model beams - Oceanic optics - Oceanic turbulence - Propagation factor
        Classification code:        711Electromagnetic Waves - 741.1Light/Optics - 922.1Probability Theory
        DOI:        10.3788/CJL201542.s113002
        Database:        Compendex
                Compilation and indexing terms, © 2016 Elsevier Inc.
3Â¥2016-11-28 19:29:31
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