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根据光束扩展理论,以部分相干的电磁高斯-谢尔光束为研究对象,分析了电磁光束传输时其偏振特性的变化机理. 结果表明,光源参数和大气湍流对电磁光束分量扩展的影响是导致传输过程中电磁光束偏振特性变化的原因. 在真空中传输时,电磁光束两分量的相干性存在差异,导致传输时电磁光束两分量扩展快慢不同,从而引起传输路径上光束谱偏振度的变化. 在大气湍流中,电磁光束两分量扩展的快慢与光源参数和大气湍流强度均有关,当传输路径较短时,电磁光束偏振变化主要与光源参数有关,变化特性与在真空中传输时的情况类似,而传输距离较远时,电磁光束偏振变化受大气湍流的影响明显,变化特性与在真空中传输时的情形存在不同.
[1] James D F V 1993 J. Opt. Soc. Am. A 11 161
[2] Roychowdhury H, Ponomarenko S A, Wolf E 2005 J. Mod. Opt. 52 1611
[3] Salem M, Wolf E 2008 Opt. Lett. 33 1180
[4] Wolf E 2003 Phys. Lett. A 312 263
[5] Roychowdhury H, Wolf E 2005 Opt. Commun. 252 268
[6] Gori F, Santarsiero M, Borghi R, Wolf E 2006 Opt. Lett. 31 688
[7] Wolf E 2007 Opt. Lett. 32 3400
[8] Wolf E 2008 Opt. Lett. 33 642
[9] Ji X L, Pu Z C 2010 Chin. Phys. B 19 029201
[10] Fu W Y, Ma S Y 2008 Acta Phys. Sin. 57 1271 (in Chinese) [付文羽, 马书懿 2008 物理学报 57 1271]
[11] Du X Y, Zhao D M 2008 Opt. Express 16 16172
[12] Lu W, Liu L, Sun J, Yang Q, Zhu Y 2007 Opt. Commun. 271 1
[13] Korotkova O, Salem M, Wolf E 2004 Opt. Commun. 233 225
[14] Andrews L C, Phillips R L 2005 Laser Beam Propagation Through Random Media (2nd Ed) (Washington: SPIE) pp67-69
[15] Salem M, Korotkova O, Dogariu A, Wolf E 2004 Waves Random Media 14 513
[16] Salem M, Wolf E 1995 Optical Coherence and Quantum Optics (Cambridge: Cambridge University Press) p564
[17] Collett E, Wolf E 1979 Opt. Commun. 32 27
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[1] James D F V 1993 J. Opt. Soc. Am. A 11 161
[2] Roychowdhury H, Ponomarenko S A, Wolf E 2005 J. Mod. Opt. 52 1611
[3] Salem M, Wolf E 2008 Opt. Lett. 33 1180
[4] Wolf E 2003 Phys. Lett. A 312 263
[5] Roychowdhury H, Wolf E 2005 Opt. Commun. 252 268
[6] Gori F, Santarsiero M, Borghi R, Wolf E 2006 Opt. Lett. 31 688
[7] Wolf E 2007 Opt. Lett. 32 3400
[8] Wolf E 2008 Opt. Lett. 33 642
[9] Ji X L, Pu Z C 2010 Chin. Phys. B 19 029201
[10] Fu W Y, Ma S Y 2008 Acta Phys. Sin. 57 1271 (in Chinese) [付文羽, 马书懿 2008 物理学报 57 1271]
[11] Du X Y, Zhao D M 2008 Opt. Express 16 16172
[12] Lu W, Liu L, Sun J, Yang Q, Zhu Y 2007 Opt. Commun. 271 1
[13] Korotkova O, Salem M, Wolf E 2004 Opt. Commun. 233 225
[14] Andrews L C, Phillips R L 2005 Laser Beam Propagation Through Random Media (2nd Ed) (Washington: SPIE) pp67-69
[15] Salem M, Korotkova O, Dogariu A, Wolf E 2004 Waves Random Media 14 513
[16] Salem M, Wolf E 1995 Optical Coherence and Quantum Optics (Cambridge: Cambridge University Press) p564
[17] Collett E, Wolf E 1979 Opt. Commun. 32 27
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