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When linearly polarized light is focused using a high numerical aperture lens with three-zone annular phase pupil filter, vector diffraction method was applied to study the optical intensity distribution in transverse and axial directions. Numerical simulation results show that optical intensity distribution in transverse and axial directions need to be treated simultaneously. When three-zone annular phase pupil filter is added in front of a high numerical aperture lens, transverse super resolution, extended axial focal depth and flat-top focusing can be achieved at the same time. Furthermore, When phase modulation depth is changed, the phenomenon of axial focal shift can be found. The structure of three-zone annular phase pupil filter was optimized and the optimized results were given.
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Keywords:
- optical superresolution /
- extension of focal depth /
- phase pupil filter /
- vector diffraction method
[1] Rios S, López D 2009 Opt. Exp. 17 9669
[2] Mico V, Zalevsky Z, Garcia J 2008 Opt. Comm. 281 4273
[3] Zhao W Q, Chen S S, Feng Z D 2006 Acta Phys. Sin. 55 3363(in Chinese) [赵维谦、陈珊珊、冯政德 2006 55 3363]
[4] Shen Q H, Xu D Y, Qi G S, Hu H, Liu R 2005 Acta Phys.Sin. 54 4718 (in Chinese) [沈全洪、徐端颐、齐国生、胡 恒、刘 嵘 2005 54 4718]
[5] Lopez C I, Saavedra G, Boyei G 2005 Opt. Exp. 13 6168
[6] Canales V F, de Juana D M, Cagigal M P 2004 Opt. Lett. 29 935
[7] di Francia G T 1952 Naovo Cimento Sappl. 9 426
[8] de Juana D M, Canales V F, Valle P J, Cagigal M P 2004 Opt. Comm. 229 71
[9] Luo X H, Zhou C H 2004 Appl. Opt. 43 6242
[10] Liu H T, Yan Y B, Jin G F 2006 Appl. Opt. 45 95
[11] Yun M J, Wan Y, Kong W J, Wang M, Liu J H, Liang W 2008 Acta Phys. Sin. 57 194(in Chinese) [云茂金、万 勇、孔伟金、王 美、刘俊海、梁 伟 2008 57 194]
[12] Feng D, Ou P, Feng L S, Hu S L, Zhang C X 2008 Opt. Express. 16 20968
[13] Zhan Q W, Leger J R 2002 Opt. Express 10 324
[14] Sales T R M, Morris G M 1997 J.Opt.Soc.Am. A 14 1637
[15] Richards B, Wolf E 1959 Proc. Royal Soc. A 253 358
[16] Martinez C M, Martinez C R, Escobar I, Saavefra G 2004 Appl. Phys. Lett 85 4319
[17] Jabhour T G, Kuebler S M 2006 Opt. Express 14 1033
[18] Yun M J, Lee E H 2008 J. Mod. Opt. 55 2857
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[1] Rios S, López D 2009 Opt. Exp. 17 9669
[2] Mico V, Zalevsky Z, Garcia J 2008 Opt. Comm. 281 4273
[3] Zhao W Q, Chen S S, Feng Z D 2006 Acta Phys. Sin. 55 3363(in Chinese) [赵维谦、陈珊珊、冯政德 2006 55 3363]
[4] Shen Q H, Xu D Y, Qi G S, Hu H, Liu R 2005 Acta Phys.Sin. 54 4718 (in Chinese) [沈全洪、徐端颐、齐国生、胡 恒、刘 嵘 2005 54 4718]
[5] Lopez C I, Saavedra G, Boyei G 2005 Opt. Exp. 13 6168
[6] Canales V F, de Juana D M, Cagigal M P 2004 Opt. Lett. 29 935
[7] di Francia G T 1952 Naovo Cimento Sappl. 9 426
[8] de Juana D M, Canales V F, Valle P J, Cagigal M P 2004 Opt. Comm. 229 71
[9] Luo X H, Zhou C H 2004 Appl. Opt. 43 6242
[10] Liu H T, Yan Y B, Jin G F 2006 Appl. Opt. 45 95
[11] Yun M J, Wan Y, Kong W J, Wang M, Liu J H, Liang W 2008 Acta Phys. Sin. 57 194(in Chinese) [云茂金、万 勇、孔伟金、王 美、刘俊海、梁 伟 2008 57 194]
[12] Feng D, Ou P, Feng L S, Hu S L, Zhang C X 2008 Opt. Express. 16 20968
[13] Zhan Q W, Leger J R 2002 Opt. Express 10 324
[14] Sales T R M, Morris G M 1997 J.Opt.Soc.Am. A 14 1637
[15] Richards B, Wolf E 1959 Proc. Royal Soc. A 253 358
[16] Martinez C M, Martinez C R, Escobar I, Saavefra G 2004 Appl. Phys. Lett 85 4319
[17] Jabhour T G, Kuebler S M 2006 Opt. Express 14 1033
[18] Yun M J, Lee E H 2008 J. Mod. Opt. 55 2857
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