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Based on the rigorous definition of light intensity of nonparaxial vectorial beams in the transverse plane, beam width, far-field divergence angles and M2 factors are defined by the power in the bucket. Taking nonparaxial vectorial Gaussian beam as an example, the detailed theoretical analyses and numerical calculations about the propagation characteristics are performed, and the results are compared with those from the nonparaxial scalar theory. Showing that when the half width of light source ω0 is less than Λ, there are obvious differences between the propagation characteristics described by the nonparaxial scalar and the vectorial theory, and their propagation characteristics tend to be consistent with ω0 increasing, change to that obtained in the paraxial scalar approximation gradually.
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Keywords:
- nonparaxial Gaussian beam /
- power in the bucket /
- beam width /
- divergence angle
[1] Siegman A E 1990 Proc. SPIE 1224 2
[2] Gao C, Weber H 2000 Optics & Laser Technology 32 221
[3] Zhou G Q, Fan Y 2008 Chin. Phys. B 17 3708
[4] Porras M A 1994 Opt. Commun. 111 338
[5] Porras M A 1999 Optik 110 417
[6] Cao Q, Deng X M, Guo H 1996 Acta Opt. Sin. 16 1345(in Chinese)[曹 清、 邓锡铭、 郭 弘 1996 光学学报 16 1345]
[7] Deng X J, Wu B K, Xiao S 2001 Acta Opt. Sin. 21 1432(in Chinese)[邓小玖、 吴本科、 肖 苏 2001光学学报 21 1432]
[8] Kang X P, Lü B D 2005 Optik 116 232
[9] Zhou G Q 2005 Acta Phys. Sin. 54 4710(in Chinese)[周国泉 2005 54 4710]
[10] Kang X P, He Z, Lü B D 2006 Acta Phys. Sin. 55 4569(in Chinese)[康小平、 何 仲、 吕百达 2006 55 4569]
[11] Deng X J, Wang G A, Liu C X, Lai C W 2009 Acta Phys. Sin. 58 8260(in Chinese)[邓小玖、 汪国安、 刘彩霞、 赖传伟 2009 58 8260]
[12] Chen C G, Konkola P T, Ferrera J, Heilmann R K, Schattenburg M L 2002 J. Opt. Soc. Am. A 19 404
[13] Ciattoni A, Crosignani B, Porto P D 2000 Opt. Commun. 177 9
[14] Cao Q, Deng X M, Guo H 1996 Acta Opt. Sin. 16 897(in Chinese)[曹 清、 邓锡铭、 郭 弘 1996 光学学报 16 897]
[15] Cao Q, Deng X M 1998 Opt. Commun. 151 212
[16] Deng X J, Hu J G, Liu C X,Wang J G 2002 J. Hefe Univ. Tech. 25 1187(in Chinese)[邓小玖、 胡继刚、 刘彩霞、 王建国 2002 合肥工业大学学报 25 1187]
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[1] Siegman A E 1990 Proc. SPIE 1224 2
[2] Gao C, Weber H 2000 Optics & Laser Technology 32 221
[3] Zhou G Q, Fan Y 2008 Chin. Phys. B 17 3708
[4] Porras M A 1994 Opt. Commun. 111 338
[5] Porras M A 1999 Optik 110 417
[6] Cao Q, Deng X M, Guo H 1996 Acta Opt. Sin. 16 1345(in Chinese)[曹 清、 邓锡铭、 郭 弘 1996 光学学报 16 1345]
[7] Deng X J, Wu B K, Xiao S 2001 Acta Opt. Sin. 21 1432(in Chinese)[邓小玖、 吴本科、 肖 苏 2001光学学报 21 1432]
[8] Kang X P, Lü B D 2005 Optik 116 232
[9] Zhou G Q 2005 Acta Phys. Sin. 54 4710(in Chinese)[周国泉 2005 54 4710]
[10] Kang X P, He Z, Lü B D 2006 Acta Phys. Sin. 55 4569(in Chinese)[康小平、 何 仲、 吕百达 2006 55 4569]
[11] Deng X J, Wang G A, Liu C X, Lai C W 2009 Acta Phys. Sin. 58 8260(in Chinese)[邓小玖、 汪国安、 刘彩霞、 赖传伟 2009 58 8260]
[12] Chen C G, Konkola P T, Ferrera J, Heilmann R K, Schattenburg M L 2002 J. Opt. Soc. Am. A 19 404
[13] Ciattoni A, Crosignani B, Porto P D 2000 Opt. Commun. 177 9
[14] Cao Q, Deng X M, Guo H 1996 Acta Opt. Sin. 16 897(in Chinese)[曹 清、 邓锡铭、 郭 弘 1996 光学学报 16 897]
[15] Cao Q, Deng X M 1998 Opt. Commun. 151 212
[16] Deng X J, Hu J G, Liu C X,Wang J G 2002 J. Hefe Univ. Tech. 25 1187(in Chinese)[邓小玖、 胡继刚、 刘彩霞、 王建国 2002 合肥工业大学学报 25 1187]
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