全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

部分相干双曲余弦高斯光束在湍流大气中传输的光谱变化

, PP. 73-77

Keywords: 部分相干双曲余弦高斯(ChG)光束,光谱特性,湍流大气

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于广义惠更斯-菲涅尔原理,推导出了部分相干双曲余弦高斯(ChG)光束在湍流大气中的光谱传输方程,研究了湍流对其光谱特性的影响,得出了一些有意义的结论,并给予了合理的物理解释.研究表明,部分相干ChG光束通过湍流大气传输其光谱特性由源光谱、光束相干参数、光束离心参数、大气折射率结构常数和观察点位置等因素共同决定.湍流使轴上点光谱移动量减小.当湍流增强到一定程度时离轴点还存在光谱跃变现象,发生跃变的临界位置和光谱跃变量随湍流的增强而增大.此外,光谱跃变的临界位置随着离心参数的增大而远离传输轴,光谱跃变量随着

References

[1]  Dogariu A, Amarande S. Propagation of partially coherent beams: turbulence-induced degradation[J]. Opt Lett,2003,28(1):10-12.
[2]  季小玲,黄太星,吕百达. 部分相干双曲余弦高斯光束通过湍流大气的光束扩展[J]. 物理学报,2006,55(2):978-982.
[3]  陈晓文,汤明玥,季小玲. 湍流大气对部分相干厄米-高斯光束空间相干性的影响[J]. 物理学报,2008,57(4):2607-2613.
[4]  Ji X L, Chen X W, Lü B D. Spreading and directionality of partially coherent Hermite Gaussian beams propagating through atmospheric turbulence[J]. J Opt Soc Am,2008,A25(1):21-28.
[5]  Wolf E. Invariance of the spectrum of light on propagation[J]. Phys Rev Lett,1986,56(13):1370-1372.
[6]  Pu J, Zhang H, Nemoto S. Spectral shifts and spectral switches of partially coherent light passing through an aperture[J]. Opt Commun,1999,162(1):57-63.
[7]  Andrews L C, Phillips R L. Laser Beam Propagation through Random Media[M]. Bellingham:SPIE Press,1998.
[8]  Gbur G, Wolf E .Spreading of partially coherent beams in random media[J]. J Opt Soc Am,2002,A19(8):1592-1598.
[9]  汤明玥,陈晓文,季小玲. 湍流对列阵双曲余弦高斯光束传输和远场光束质量的影响[J]. 光子学报,2009,38(3):713-718.
[10]  Roychowdhury H, Wolf E. Invariance of spectrum of light generated by a class of quasi-homogenous sources on propagation through turbulence[J]. Opt Commun,2004,241(1):11-15.
[11]  Ji X L, Zhang E, Lü B D. Changes in the spectrum of Gaussian Schell-model beams propagating through turbulent atmosphere[J]. Opt Commun,2006,259(1):1-6.
[12]  Casperson L W, Hall D G, Tovar A A. Sinusoidal-Gaussian beam in complex optical system[J]. J Opt Soc Am,1997,A14(12):3341-3348.
[13]  Tovar A A, Casperson L W. Production and progagation of Hermite-sinusoidal-Gaussian beams[J]. J Opt Soc Am,1998,A15(9):2425-2432.
[14]  Zahid M, Zubairy M S. Directionality of partially coherent Bessel-Gauss beams[J]. Opt Commun,1989,70(5):361-364.
[15]  Wang S C H, Ponus M A. Optical beam propagation for a partially coherent source in the turbulent atmosphere[J]. J Opt Soc Am,1979,69(9):1297-1304.
[16]  石丽芬,蒲继雄,陈子阳. 部分相干电磁光束在湍流大气中传输的光谱变化[J]. 大气与环境光学学报,2007,2(4):251-256.
[17]  Gbur G, Visser T, Wolf E. Anomalous behavior of spectra near phase singularities of focused waves[J].Phys Rev Lett,2002,88:013901.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133