[1] [1] LIU X, WU Y, XU X, et al. Bidirectional transport of nanoparticles and cells with a bio-conveyor belt[J]. Small, 2019, 15(50):1905209.

[2] [2] ASHKIN A, DZIEDZIC J. Optical trapping and manipulation of viruses and bacteria[J]. Science, 1987, 235(4795):1517-1520.

[3] [3] BJORKHOLM J E, FREEMAN R R, ASHKIN A, et al. Observation of focusing of neutral atoms by the dipole forces of resonance-radiation pressure[J]. Physical review letters, 1978, 41(20):1361-1364.

[4] [4] GAUTHIER R C. Optical trapping:a tool to assist optical machining[J]. Optics & laser technology, 1997, 29(7):389-399.

[5] [5] CROCKER J C, GRIER D G. When like charges attract:the effects of geometrical confinement on longrange colloidal interactions[J]. Physical review letters, 1996, 77(9):1897-1900.

[6] [6] WOJDYLA M, RAJ S, PETROV D. Absorption spectroscopy of single red blood cells in the presence of mechanical deformations induced by optical traps[J]. Journal of biomedical optics, 2012, 17(9): 97006-97011.

[7] [7] LANDENBERGER B, HFEMANN H, WADLE S, et al. Microfluidic sorting of arbitrary cells with dynamic optical tweezers[J]. Lab on a chip, 2012, 12(17):3177.

[8] [8] YUAN Y F, WU G, LI X, et al. Effects of twisting and bending on LP21 mode propagation in optical fiber[J]. Optics letters, 2011, 36(21):4248-4250.

[9] [9] ULRICH S. Polarization optics of twisted single-mode fibers[J]. Applied optics, 1979, 18(13):2241-2251.

[10] [10] TAYLOR R, HNATOVSKY C. Particle trapping in 3-D using a single fiber probe with an annular light distribution[J]. Optics express, 2003, 11(21): 2775-2782.

[11] [11] LIBERALE C, MINZIONI P, BRAGHERI F, et al. Miniaturized all-fibre probe for three-dimensional optical trapping and manipulation[J]. Nature photonics, 2007, 1(12):723-727.

[12] [12] YU Z, LIU Z, YANG J, et al. Four-core optical fiber micro-hand[J]. Journal of lightwave technology, 2012, 30(10):1487-1491.

[13] [13] LIU Z, GUO C, YANG J, et al. Tapered fiber optical tweezers for microscopic particle trapping:fabrication and application[J]. Optics express, 2006, 14(25): 12510-12516.

[14] [14] YUAN L, LIU Z, YANG J. Measurement approach of Brownian motion force by an abrupt tapered fiber optic tweezers[J]. Applied physics letters, 2007, 91(5):259-265.

[15] [15] MOHANTY S K, MOHANTY K S, BERNS M W. Manipulation of mammalian cells using a single-fiber optical microbeam[J]. Journal of biomedical optics, 2008, 13(5):054049.

[16] [16] ABEDIN K S, KERBAGE C, FERNANDEZ-NIEVES A, et al. Optical manipulation and rotation of liquid crystal drops using high-index fiber-optic tweezers[J]. Applied physics letters, 2007, 91(9):091119.

[17] [17] YUAN L, LIU Z, YANG J, et al. Twin-core fiber optical tweezers[J]. Optics express, 2008, 16(7):4559-4566.

[18] [18] LIU Z, WANG L, LIANG P, et al. Mode division multiplexing technology for single-fiber optical trapping axial-position adjustment[J]. Optics letters, 2013, 38(14):2617-2620.

[19] [19] CHEN S J, HUANG H, ZOU H M, et al. Optical manipulation of biological particles using LP21 mode in fiber[J]. Journal of optics, 2014, 16(12):125302.

[20] [20] ZHANG Y, LIANG P, LEI J, et al. Multi-dimensional manipulation of yeast cells using a LP11 mode beam[J]. Journal of lightwave technology, 2014, 32(6):1098-1103.

[21] [21] KUANG T, XIONG W, LUO B, et al. Optical confinement efficiency in the single beam intracavity optical tweezers[J]. Optics express, 2020, 28(24): 35734-35747.

[22] [22] LIU Z, TANG X, ZHANG Y, et al. Simultaneous trapping of low-index and high-index microparticles using a single optical fiber Bessel beam[J]. Optics and lasers in engineering, 2020, 131:106119.

[23] [23] FOOLADI E, SADEGHI M, ADELPOUR Z, et al. Performance improvement of a plasmonic tapered twincore fiber optical tweezers[J]. Optik, 2021, 245.

[24] [24] ZHANG Y X, ZHOU Y, TANG X Y, et al. Mode division multiplexing for multiple particles noncontact simultaneous trap[J]. Optics letters, 2021, 46(13): 3017-3020.