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线偏振拉盖尔-高斯光束的远场发散特性

周国泉

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线偏振拉盖尔-高斯光束的远场发散特性

周国泉

Far-field divergent properties of linearly polarized Laguerre-Gauss beams

Zhou Guo-Quan
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  • 利用稳相法和矢量结构理论, 导出了线偏振拉盖尔-高斯光束的矢量结构项TE项和TM项在远场的解析表达式. 进而利用TE项和TM项的远场能流分布, 给出了TE项和TM项的功率占总功率比例的度量式,同时还给出了线偏振拉盖尔-高斯光束、TE项和TM项三者远场发散角的解析式以及三者远场发散角间的关系式. 所得到的公式不仅适用于傍轴情形,而且还适用于非傍轴情形. 通过数值计算, 分析了TE项和TM项在远场的功率占总功率的比例与参数f和模数间的依赖关系;还分析了拉盖尔-高斯光束、TE项和TM项的远场发散角随参数f、模数和线偏振角的变化关系.这一研究从矢量结构本性揭示了线偏振拉盖尔-高斯光束的远场发散特性, 丰富了对其传输特性的认识.
    Based on the method of stationary phase and the theorem of the vectorial structure, the analytical expressions for the vectrorial terms, namely the TE and TM terms, of a linearly polarized Laguerre-Gauss beam are derived in the far-field. According to the far-field energy flux distributions of the TE and TM terms, the ratios of the powers of the TE and TM terms to the power of the Laguerre-Gauss beam are given. The analytical formulae of the far-field divergence angles of the Laguerre-Gauss beam and its TE and TM terms are presented, respectively. A relation among the far-field divergence angles of the TE term, the TM term, and the Laguerre-Gauss beam is also derived. The formulae obtained are applicable not only to the paraxial case, but also to the non-paraxial case. The dependences of the ratios of the powers of the TE and TM terms to the whole power onf-parameter and mode number are numerically examined. The effects of thef-parameter, the mode number, and the linearly polarized angle on the far-field divergence angle of the Laguerre-Gauss beam and its TE and TM terms are also analyzed. This research reveals the far-field divergent properties of the linearly polarized Laguerre-Gauss beam from the vectorial structure, and enriches the recognition of the propagation characteristics of the linearly polarized Laguerre-Gauss beam.
    • 基金项目: 国家自然科学基金(批准号: 61178016)资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 61178016).
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    Seshadri S R 2002 Opt. Lett. 27 1872

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    Orlov S, Stabinis A 2003 Opt. Commun. 226 97

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    Mei Z R, Zhao D M 2004 J. Opt. Soc. Am. A 21 2375

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    Mei Z R, Zhao D M, Gu J G 2004 Opt. Commun. 240 337

    [16]

    Mei Z R, Zhao D M 2004 J. Opt. A: Pure Appl. Opt. 6 1005

    [17]

    Sheppard C J R 2009 Opt. Express 17 3690

    [18]

    Takenaka T, Yokota M, Fukumitsu O1985 J. Opt. Soc. Am. A 2 826

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    Duan K L, Wang B Z, Lü B D 2005 J. Opt. Soc. Am. A 22 1976

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    Mei Z R, Zhao D M 2007 Opt. Express 15 11942

    [21]

    Zhou G Q 2008 Opt. Laser Technol. 40 930

    [22]

    Zhou G Q 2006 Opt. Lett. 31 2616

    [23]

    Zhou G Q 2010 High Power Laser and Particle Beams 22 1187 (in Chinese)[周国泉 2010 强激光与粒子束 22 1187]

    [24]

    Zhou G Q 2005 Acta Phys. Sin. 54 4710 ( in Chinese) [周国泉 2005 物理学报 54 4710]

    [25]

    Kang X P, Lü B D 2006 Acta Phys. Sin. 55 4564 (in Chinese) [康水平, 吕百达 2006 物理学报 55 4564]

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    Mart′?nez-Herrero R, Mej′ias P M, Bosch S, Carnicer A 2001 J. Opt. Soc. Am. A 18 1678

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    Deng D M, Guo Q 2007 Opt. Lett. 32 2711

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    Tang H Q, Li X G, Zhou G Q, Zhu K C 2009 Opt. Commun. 282 478

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  • [1]

    Kogelnik H, Li T 1966 Proc. IEEE 54 1312

    [2]

    Tamm C 1988 Phys. Rev. A 38 5960

    [3]

    He H, Heckenberg N R, Rubinsztein-Dunlop H 1995 J. Mod. Opt. 42 217

    [4]

    Hasegawa T, Shimizu T 1999 Opt. Commun. 160 103

    [5]

    Ishaaya A A, Davidson N, Friesem A A 2005 Opt. Express 13 4952

    [6]

    Matsumoto N, Ando T, Inoue T, Ohtake Y, Fukuchi N, Hara T 2008 J. Opt. Soc. Am. A 25 1642

    [7]

    Kuga T, Torii Y, Shiokawa N, Hirano T 1997 Phys. Rev. Lett. 78 4713

    [8]

    Arlt J, Hitomi T, Dholakia K 2000 Appl. Phys. B 71 549

    [9]

    Bradshaw D, Andrews D 2005 Opt. Lett. 30 3039

    [10]

    Jarutis V, Paskauskas R, Stabinis A 2000 Opt. Commun. 184 105

    [11]

    Simon R, Agarwal G S 2000 Opt. Lett. 25 1313

    [12]

    Seshadri S R 2002 Opt. Lett. 27 1872

    [13]

    Orlov S, Stabinis A 2003 Opt. Commun. 226 97

    [14]

    Mei Z R, Zhao D M 2004 J. Opt. Soc. Am. A 21 2375

    [15]

    Mei Z R, Zhao D M, Gu J G 2004 Opt. Commun. 240 337

    [16]

    Mei Z R, Zhao D M 2004 J. Opt. A: Pure Appl. Opt. 6 1005

    [17]

    Sheppard C J R 2009 Opt. Express 17 3690

    [18]

    Takenaka T, Yokota M, Fukumitsu O1985 J. Opt. Soc. Am. A 2 826

    [19]

    Duan K L, Wang B Z, Lü B D 2005 J. Opt. Soc. Am. A 22 1976

    [20]

    Mei Z R, Zhao D M 2007 Opt. Express 15 11942

    [21]

    Zhou G Q 2008 Opt. Laser Technol. 40 930

    [22]

    Zhou G Q 2006 Opt. Lett. 31 2616

    [23]

    Zhou G Q 2010 High Power Laser and Particle Beams 22 1187 (in Chinese)[周国泉 2010 强激光与粒子束 22 1187]

    [24]

    Zhou G Q 2005 Acta Phys. Sin. 54 4710 ( in Chinese) [周国泉 2005 物理学报 54 4710]

    [25]

    Kang X P, Lü B D 2006 Acta Phys. Sin. 55 4564 (in Chinese) [康水平, 吕百达 2006 物理学报 55 4564]

    [26]

    Mart′?nez-Herrero R, Mej′ias P M, Bosch S, Carnicer A 2001 J. Opt. Soc. Am. A 18 1678

    [27]

    Deng D M, Guo Q 2007 Opt. Lett. 32 2711

    [28]

    Tang H Q, Li X G, Zhou G Q, Zhu K C 2009 Opt. Commun. 282 478

    [29]

    Carter W H 1972 J. Opt. Soc. Am. 62 1195

    [30]

    Gradshteyn I S, Ryzhik I M 1980 Table of integrals, series, and products (New York: Academic Press)

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出版历程
  • 收稿日期:  2011-02-22
  • 修回日期:  2011-03-29
  • 刊出日期:  2012-01-05

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