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涡旋光束嵌套高斯光束在湍流大气中的传输

DOI: 10.11830/ISSN.1000-5013.2013.01.0018

Keywords: 涡旋光束, 高斯光束, 湍流大气, 像差, 散焦, 像散

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Abstract:

研究大气湍流波像差中的散焦和像散两种低阶像差对聚焦涡旋光束嵌套高斯光束焦面光强的影响,并用数值模拟的方法分析接收焦面平均光强分布随光束聚焦距离、拓扑荷数、湍流强度等参数的变化特性.结果表明: 随着传输距离和大气折射率结构常数的增大,复合光束焦面光强峰值降低,光斑半径增大,光斑漂移现象明显,而接收焦面内的光强分布仍保持其高斯分布规律.说明涡旋光束和高斯光束经大气湍流后具有相同的强度起伏,有利于接收端的相干检测.

References

[1]  ZHANG Yi-xin,TANG Min-xia,TAO Chun-kan.Partially coherent vortex beams propagation in a turbulent atmosphere[J].Chin Opt Lett,2005,3(10):559-561.
[2]  YANG Jian-cai,HE Sai-ling.Propagation of various dark hollow beams in a turbulent atmosphere[J].Opt Express,2006,14(4):1367-1380.
[3]  CANG Ji,QI Wen-hui,ZHANG Yi-xin.The intensity distributions of focused partially coherent dark hollow beams in turbulent atmosphere[J].Laser Journal,2009,30(3):40-42.
[4]  COWAN D C,ANDREWS L C.Effects of atmospheric turbulence on the scintillation and fade probability of flattened Gaussian beams[J].Opt Eng,2008,47(2):026001-1-026001-14.
[5]  WANG Hua,WANG Xiang-zhao,ZENG Ai-jun,et al.Effect of atmospheric turbulence on the spatial coherence of quasi-monochromatic Gaussian Schell-model beams propagating in the slant path[J].Chin Phys,2008,57(1):0634-05-0634-09.
[6]  CHEN Xiao-wen,TANG Ming-yue,JI Xiao-ling. The influence of atmospheric turbulence on the spatial correlation property of partially coherent Hermite-Gaussian beams[J].Chin Phys,2008,57(4):2607-07-2607-13.
[7]  SINGH R K,SENTHILKUMARAN P,SINGH K.Influence of astigmatism and defocusing on the focusing of a singular beam[J].Opt Communications,2007,270(2):128-138.
[8]  DAI Guang-ming,MAHAJAN V N.Zernike annular polynomials and atmospheric turbulence[J].J Opt Soc Am,2007,24(1):139-155.
[9]  张逸新,迟泽英.光波在大气中的传输与成像[M].北京:国防工业出版社,1997:8-17.
[10]  JI Xiao-ling,TANG Ming-yue,CHEN Xiao-wen,et al.Spectral properties of topped beams propagating through atmospheric turbulence[J].Acta Optica Sinica,2008,28(1):12-16.
[11]  ZHANG Yi-xin,WANG Gao-gang.Slant path average intensity of finite optical beam propagating in turbulent atmosphere[J].Chin Opt Lett,2006,4(10):559-562.
[12]  赵贵燕,张逸新.湍流大气中涡旋光束拓扑荷对焦面光强的影响[J].江南大学学报:自然科学版,2009,8(5):617-621.

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