[1] Curtis J E, Koss B A, Grier D G. Dynamic holographic optical tweezers[J]. Optics Communications, 2002, 207(1/2/3/4/5/6): 169-175.

[2] Eriksen R L, Mogensen P C, Glückstad J. Multiple-beam optical tweezers generated by the generalized phase-contrast method[J]. Optics Letters, 2002, 27(4): 267-269.

[3] Brouhard G J, Schek H T, Hunt A J. Advanced optical tweezers for the study of cellular and molecular biomechanics[J]. IEEE Transactions on Biomedical Engineering, 2003, 50(1): 121-125.

[4] Chen W B, Zhan Q W. Field enhancement analysis of an apertureless near field scanning optical microscope probe with finite element method[J]. Chinese Optics Letters, 2007, 5(12): 709-711.

[5] 陈国钧, 周巧巧, 纪宪明, 等. π相位板产生矢量光束的高数值孔径聚焦特性研究[J]. 光学学报, 2014, 34(12): 1226001.

    Chen G J, Zhou Q Q, Ji X M, et al. Study on high-numerical-aperture-focused characteristics of vector beam produced by π phase plate[J]. Acta Optica Sinica, 2014, 34(12): 1226001.

[6] Quabis S, Dorn R, Eberler M, et al. Focusing light to a tighter spot[J]. Optics Communications, 2000, 179(1/2/3/4/5/6): 1-7.

[7] 陈建, 詹其文. 矢量光场与激光焦场定制[J]. 光学学报, 2019, 39(1): 0126002.

    Chen J, Zhan Q W. Tailoring laser focal fields with vectorial optical fields[J]. Acta Optica Sinica, 2019, 39(1): 0126002.

[8] Hao X, Kuang C F, Wang T T, et al. Phase encoding for sharper focus of the azimuthally polarized beam[J]. Optics Letters, 2010, 35(23): 3928-3930.

[9] Mushiake Y, Matsumura K, Nakajima N. Generation of radially polarized optical beam mode by laser oscillation[J]. Proceedings of the IEEE, 1972, 60(9): 1107-1109.

[10] Hell S. Stelzer E H K. Properties of a 4pi confocal fluorescence microscope[J]. Journal of the Optical Society of America A, 1992, 9(12): 2159-2166.

[11] Richards B, Wolf E. Electromagnetic diffraction in optical systems, II. Structure of the image field in an aplanatic system[J]. Proceedings of the Royal Society of London Series A, 1959, 253(1274): 358-379.

[12] Davidson N, Bokor N. High-numerical-aperture focusing of radially polarized doughnut beams with a parabolic mirror and a flat diffractive lens[J]. Optics Letters, 2004, 29(12): 1318-1320.

[13] Chen W B, Zhan Q W. Creating a spherical focal spot with spatially modulated radial polarization in 4pi microscopy[J]. Optics Letters, 2009, 34(16): 2444-2446.

[14] 常强, 杨艳芳, 何英, 等. 4pi聚焦系统中振幅和相位调制的径向偏振涡旋光束聚焦特性的研究[J]. 物理学报, 2013, 62(10): 104202.

    Chang Q, Yang Y F, He Y, et al. Study of the focusing features of spatial amplitude and phase modulated radially polarized vortex beams in a 4pi focusing system[J]. Acta Physica Sinica, 2013, 62(10): 104202.

[15] Chen Z Y, Zhao D M. 4pi focusing of spatially modulated radially polarized vortex beams[J]. Optics Letters, 2012, 37(8): 1286-1288.

[16] 刘键, 杨艳芳, 何英, 等. 柱矢量涡旋光束强聚焦特性的修正研究[J]. 光子学报, 2014, 43(7): 200-205.

    Liu J, Yang Y F, He Y, et al. Amendment for tightly focusing of cylindrically polarized vortex beams[J]. Acta Photonica Sinica, 2014, 43(7): 200-205.

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

[18] 李维超, 杨艳芳, 何英, 等. 基于高阶角向偏振拉盖尔高斯涡旋光束强聚焦的三光链结构[J]. 光学学报, 2019, 39(8): 0826002.

    Li W C, Yang Y F, He Y, et al. Triple optical chain generated by tight focusing of azimuthally polarized higher-order Laguerre-Gauss vortex beams[J]. Acta Optica Sinica, 2019, 39(8): 0826002.