[1] [1] C. J. R. Sheppard, A. Choudhury. Annular pupils, radial polarization, and superresolution [J]. Appl. Opt., 2004, 43(22): 4322～4327

[2] [2] K. B. Rajesh, P. M. Anbarasan. Generation of sub-wavelengthand super-resolution longitudinally polarized non-diffraction beam using lens axicon [J]. Chin. Opt. Lett., 2008, 6(10): 785～787

[3] [3] J. Kim, D. C. Kim, S. H. Back. Demonstration of high lateral resolution in laser confocal microscopy using annular and radially polarized light [J]. Microscopy Research and Technique, 2009, 72(6): 441～446

[4] [4] N. M. Mojarad, M. Agio. Tailoring the excitation of localized surface plasmon-polariton resonances by focusing radially-polarized beams [J]. Opt. Express 2009, 17(1): 117～122

[5] [5] W. B. Chen, Q. W. Zhan. Field enhancement analysis of an apertureless near field scanning optical microscope probe with finite element method [J]. Chin. Opt. Lett, 2007, 5(12): 709～711

[6] [6] Y. J. Zhang, J. P. Bai. Improving the recording ability of a near-field optical storage system by higher-order radially polarized beams [J]. Opt. Express, 2009, 17(5): 3698～3706

[7] [7] Yanli Zhang, Yiqiong Zhao, Qiwen Zhan et al.. Study of 3D optical chain with highly focused vector beam [J]. Acta Physica. Sinica, 2006, 55(3): 1253～1258

[8] [8] Z. H. Zhou, Q. F. Tan, G. F. Jin. Focusing of high polarization order axially-symmetric polarized beams [J]. Chin. Opt. Lett., 2009, 7(10): 938～940

[9] [9] K. S. Youngworth, T. G. Brown. Focusing of high numerical aperture cylindrical-vector beams [J]. Opt. Express, 2000, 7(2): 77～87

[10] [10] B. Richards, E. Wolf. Electromagnetic diffraction in optical systems Ⅱ. Structure of the image field in an aplanatic system [C]. Proc. R. Soc. London, 1959, 253(1274): 358～379

[11] [11] L. Z. Rao, J. X. Pu, Z. Y. Chen et al.. Focus shaping of cylindrically polarized vortex beams by a high numerical-aperture lens [J]. Opt. Laser Technol., 2009, 41(3): 241～246

[12] [12] R. Dorn, S. Quabis, G. Leuchs. Sharper focus for a radially polarized light beam [J]. Phys. Rev. Lett., 2003, 91(23): 233901

[13] [13] Y. Kozawa, S. Sato. Focusing property of a double-ring-shaped radially polarized beam [J]. Opt. Lett., 2006, 31(6): 820～822

[14] [14] M. T. Caballero, C. I. L. M. Martinez-Corral, Shaded-mask filtering: novel strategy for improvement of resolution in radial-polarization scanning microscopy [J]. Opt. Engny., 2006, 45(9): 098003

[15] [15] H. Wang, L. Shi, B. Lukyanchuk et al.. Creation of a needle of longitudinally polarized light in vacuum using binary optics[J]. Nature Photon., 2008, 2(8): 501～505

[16] [16] J. K. Strayer. Linear Programming and Its Applications [M]. Berlin Springer-Verlag, 1989, Chap. 2

[17] [17] H. Liu, Y. Yan, Q. Tan et al.. Theories for the design of diffractive superresolution elements and limits of optical superresolution [J]. J. Opt. Soc. Am. A, 2002, 19(11): 2185～2193

[18] [18] H. Liu, Y. Yan, D. Yi et al.. Theories for the design of a hybrid refractive-diffractive superresolution lens with high numerical aperture [J]. J. Opt. Soc. Am. A, 2003, 20(5): 913～924

[19] [19] H. Liu, Y. Yan, D. Yi et al.. Design of three-dimensional superresolution filters and limits of axial optical superresolution [J]. Appl. Opt., 2003, 42(8): 1463～1476