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Longitudinally polarized subwavelength beams have found many applications such as particle acceleration, single molecule dipole detection, second harmonic generation imaging, longitudinally polarization confocal microscopy. We present a radially modulated Bessel-Gaussian beam model which produces longitudinally polarized beams with high purity after being focused by high numerical aperture objective. Based on the vector diffraction theory, the electric field intensity distribution, magnetic field intensity distribution and energy flux density near the focal plane are numerically simulated. The result shows that the full-width at half-maximum is as small as 0.4λ. The method does not require a physical annulus or annular phase filter and it features high energy efficiency, high resolution, thus improving application performances.
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Keywords:
- Bessel-Gaussian beam /
- longitudinally polarized beams /
- focusing /
- subwavelength
[1] Fortana J R 1983 J.Appl.Phys.54 4285
[2] Meier M, Romano V, Feurer T 2007 Appl.Phys. A 86 329
[3] Norihiko Hayazawa , Yuika Saito, Satoshi Kawata 2004 Appl.Phys.Lett. 85 6239
[4] Erik J. Sánchez, Lukas Novotny, Sunney Xie X 1999 Phys. Rev. Lett. 82 4014
[5] Bouhelier A, Beversluis M, Hartschuh A, Novotny L 2003 Phys. Rev. Lett. 91 013903
[6] Biss D P, Brown T G 2003 Opt.Lett. 28 923
[7] Botcherby E J, Juskaitis R, Wilson T 2006 Opt.Commun. 268 253
[8] Nils Huse, Andreas Schonle, Stefan W. Hell 2001 J.Biomed.Opt. 6 480
[9] Li M, Zhang Z Y, Shi S, Du J L 2010 Acta Phys. Sin. 59 958 (in Chinese) [李 敏、张志友、石 莎、杜惊雷 2010 59 958]
[10] Richards B, Wolf E 1959 Proc. R. Soc. Lond. A 253 358
[11] Youngworth K S, Brown T G 2000 Opt. Express. 7 77
[12] Djenan Ganic, Xiaosong Gan, Min Gu 2003 Opt. Express. 11 2747
[13] Chon J W M, Gan X, Gu M 2002 Appl. Phys. Lett. 81 1576
[14] Dorn R, Quabis S, Leuchs G 2003 Phys. Rev. Lett. 91 233901
[15] Greene P L, Hall D G 1996 J. Opt. Soc. Am. A 13 962
[16] Kozawa Y, Sato S 2006 Opt. Lett. 31 820
[17] Shunichi Sato ,Yuichi Kozawa 2009 J. Opt. Soc. Am. A 26 142
[18] Youngworth K S, Brown T G 2000 Opt. Express 7 77
[19] Zhang Y L, Zhao Y Q, Zhang Q W, Li Y P 2006 Acta Phys. Sin. 55 1253 (in Chinese) [张艳丽、赵逸琼、詹其文、李永平 2006 55 1253]
[20] Biss D P, Brown T G 2004 Opt. Express 9 384
[21] Liu Y,Chen J B 2009 Acta Optica Sinica 29 1996
[22] Zhao G Y, Zhang Y X, Wang J Y,Jia J J 2010 Acta Phys. Sin. 59 1378 (in Chinese) [赵贵燕、张逸新、王建宇、贾建军 2010 59 1378]
[23] Luo Y M, Lü B D 2009 Acta Phys. Sin. 58 3915(in Chinese) [罗亚梅、吕百达 2009 58 3915]
[24] Novotny L, Beversluis M R, Youngworth K S, Brown T G 2001 Phys. Rev. Lett. 86 5251
[25] Sick B, Hecht B, Novotny L 2000 Phys.Rev.Lett. 85 4482
[26] Hongchun Bao, Alex Boussioutas, Reynolds Jeremy, Sarah Russell, Min Gu 2010 Opt. Express 18 1255
[27] Dorn R, Quabis S, Leuchs G 2003 J. Mod.Opt. 50 1917
[28] Wang H F, Shi L P, Boris Lukyan Chuk 2008 Nature Photonics 2 501
[29] Liu Y D, Gao C Q, Gao M W 2008 Chin. Phys. B 17 1769
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[1] Fortana J R 1983 J.Appl.Phys.54 4285
[2] Meier M, Romano V, Feurer T 2007 Appl.Phys. A 86 329
[3] Norihiko Hayazawa , Yuika Saito, Satoshi Kawata 2004 Appl.Phys.Lett. 85 6239
[4] Erik J. Sánchez, Lukas Novotny, Sunney Xie X 1999 Phys. Rev. Lett. 82 4014
[5] Bouhelier A, Beversluis M, Hartschuh A, Novotny L 2003 Phys. Rev. Lett. 91 013903
[6] Biss D P, Brown T G 2003 Opt.Lett. 28 923
[7] Botcherby E J, Juskaitis R, Wilson T 2006 Opt.Commun. 268 253
[8] Nils Huse, Andreas Schonle, Stefan W. Hell 2001 J.Biomed.Opt. 6 480
[9] Li M, Zhang Z Y, Shi S, Du J L 2010 Acta Phys. Sin. 59 958 (in Chinese) [李 敏、张志友、石 莎、杜惊雷 2010 59 958]
[10] Richards B, Wolf E 1959 Proc. R. Soc. Lond. A 253 358
[11] Youngworth K S, Brown T G 2000 Opt. Express. 7 77
[12] Djenan Ganic, Xiaosong Gan, Min Gu 2003 Opt. Express. 11 2747
[13] Chon J W M, Gan X, Gu M 2002 Appl. Phys. Lett. 81 1576
[14] Dorn R, Quabis S, Leuchs G 2003 Phys. Rev. Lett. 91 233901
[15] Greene P L, Hall D G 1996 J. Opt. Soc. Am. A 13 962
[16] Kozawa Y, Sato S 2006 Opt. Lett. 31 820
[17] Shunichi Sato ,Yuichi Kozawa 2009 J. Opt. Soc. Am. A 26 142
[18] Youngworth K S, Brown T G 2000 Opt. Express 7 77
[19] Zhang Y L, Zhao Y Q, Zhang Q W, Li Y P 2006 Acta Phys. Sin. 55 1253 (in Chinese) [张艳丽、赵逸琼、詹其文、李永平 2006 55 1253]
[20] Biss D P, Brown T G 2004 Opt. Express 9 384
[21] Liu Y,Chen J B 2009 Acta Optica Sinica 29 1996
[22] Zhao G Y, Zhang Y X, Wang J Y,Jia J J 2010 Acta Phys. Sin. 59 1378 (in Chinese) [赵贵燕、张逸新、王建宇、贾建军 2010 59 1378]
[23] Luo Y M, Lü B D 2009 Acta Phys. Sin. 58 3915(in Chinese) [罗亚梅、吕百达 2009 58 3915]
[24] Novotny L, Beversluis M R, Youngworth K S, Brown T G 2001 Phys. Rev. Lett. 86 5251
[25] Sick B, Hecht B, Novotny L 2000 Phys.Rev.Lett. 85 4482
[26] Hongchun Bao, Alex Boussioutas, Reynolds Jeremy, Sarah Russell, Min Gu 2010 Opt. Express 18 1255
[27] Dorn R, Quabis S, Leuchs G 2003 J. Mod.Opt. 50 1917
[28] Wang H F, Shi L P, Boris Lukyan Chuk 2008 Nature Photonics 2 501
[29] Liu Y D, Gao C Q, Gao M W 2008 Chin. Phys. B 17 1769
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