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Theoretical study on optical trapping of multi-layered chiral sphere has attracted more and more attention for its important applications in many frontier scientific fields such as chemical engineering, biomedicine, optical tweezers, micro/nano lithography etc. In order to trap and manipulate chiral multi-layered particles efficiently, the present paper aims at developing the theoretical research of trapping force (TF) exerted on a multi-layered chiral sphere induced by laser sheet which might have great potential to improve the light performance in optical trapping as well as capture, suspension, and high-precision delivery of chiral cells. Here, based on the Generalized Lorenz Mie theory and the completeness of spherical vector wave functions (SVWFs), the electromagnetic field of incident laser sheet are expanded in terms of SVWFs. Accordingly, by introducing the beam scattering theory and the conservation law of electromagnetic momentum (EM), the analysis of TF exerted on multi-layered chiral sphere can be analytically expressed in terms of the incident and scattering coefficients. Taking the chiral cell as an example, the TF induced by laser sheet is simulated numerically. Numerical effects of the varying chirality, polarization states, beam waist width, inner material loss and outmost size on the TF induced by laser sheet are analyzed and compared with those by circular Gaussian beam incidence in detail. It is found that the introduction of chirality parameter may reduce the axial TF exerted on chiral multi-layered cell. Thus, it is more difficult to trap and manipulate stratified chiral cells than to trap general isotropic cells. Also it is shown that the TF of chiral cells can be significantly discriminatory in nature, depending upon both the handedness of the interacting particles and the polarization of the incident light. Thus, an appropriately polarized beam should be considered in trapping chiral cells. For chiral multi-layered cells with small loss in the inner layer, when the inner refractive indices are less than the outmost refractive index, the TF of multi-layered chiral cell becomes stronger with the outmost radius decreasing. Conversely, for the inner refractive indices are greater than the outer refractive index, TF becomes weaker as the outmost radius decreases. Besides, compared with the traditional circular Gaussian beam, the strong convergence of elliptical Gaussian beam can be easier to achieve three-dimensional capture of stratified chiral cells, which may provide a recipe to understand the light interaction with more complex chiral cells with the aid of the analytical approach and could be a promising avenue for the design of optical trapping systems.
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Keywords:
- trapping force /
- laser sheet /
- multi-layered chiral cell /
- optical tweezers
[1] Ashkin A 1970 Phys. Rev. Lett. 24 156Google Scholar
[2] Ashkin A 1980 Science 210 1081Google Scholar
[3] 蒋云峰, 陆璇辉, 赵承良 2010 59 3959Google Scholar
Jiang Y F, Lu X H, Zhao C L 2010 Acta Phys. Sin. 59 3959Google Scholar
[4] 吴鹏, 韩一平, 刘德芳 2005 54 2676Google Scholar
Wu P, Han Y P, Liu D F 2005 Acta Phys. Sin. 54 2676Google Scholar
[5] Ren K F, Gréha G, Gouesbet G 1994 Opt. Commun. 108 343Google Scholar
[6] Lock J A 2004 Endocrinology 43 2532
[7] Gouesbet G, Lock J A 1994 J. Opt. Soc. Am. A: 11 2503
[8] Ren K F, Gouesbet G, Gréha G 1998 Appl. Opt. 37 4218Google Scholar
[9] 韩一平, 杜云刚, 张华永 2006 55 4557Google Scholar
Han Y P, Du Y G, Zhang H Y 2006 Acta Phys. Sin. 55 4557Google Scholar
[10] 韩国霞, 韩一平 2009 58 6167Google Scholar
Han G X, Han Y P 2009 Acta Phys. Sin. 58 6167Google Scholar
[11] Onofri F, Gréha G, Gouesbet G 1995 Appl. Opt. 34 7113Google Scholar
[12] Li H Y, Wu Z S, Li Z J 2009 Chin. Phys. Lett. 26 104203Google Scholar
[13] Ladutenko K, Pal U, Rivera A, Rodríguez O 2007 Comput. Phys. Commun. 214 225
[14] Pei S, Pan Q, Cui F, Xu S S, Cao Z L 2018 Optik 180 379
[15] Bohren G F, Huffman D R 1983 Absorption and Scattering of Light by Small Particles (New York: Wiley)
[16] Kerker M 1969 The Scattering of Light and Other Electromagnetic Radiation (New York: Academic)
[17] Wu Z S, Wang Y P 1991 Radio Sci. 26 1393Google Scholar
[18] 李海英, 吴振森 2008 57 833Google Scholar
Li H Y, Wu Z S 2008 Acta Phys. Sin. 57 833Google Scholar
[19] Chen Z Y, Han Y P, Cui Z W, Shi X W 2015 Opt. Commun. 340 5Google Scholar
[20] Yu M P, Han Y P, Cui Z W, Sun H Y 2018 J. Opt. Soc. Am. A 35 1504
[21] Shore R A 2015 IEEE Antennas Propag. Mag. 57 69
[22] Wang H B, Liu X Z, Gao S, Cui J, Liu H J, He A J, Zhang G T 2018 Chin. Phys. B 27 034302Google Scholar
[23] Schut T C B, Hesselink G, de Grooth B G, Greve J 1991 Cytomety 12 479Google Scholar
[24] Rohrbach A, Stelzer E 2001 J. Opt. Soc. Am. A: 18 839
[25] Ermutlu M E, Sihvola A H 1994 Prog. Electromagnet. Res. 9 87Google Scholar
[26] Ren W 1994 Prog. Electromagnet. Res. 9 103Google Scholar
[27] Simpson S H, Hanna S 2011 Phys. Rev. A 84 053808Google Scholar
[28] Cooray M F R, Ciric I R 1993 J. Opt. Soc. Am. A: 10 1197
[29] Jaggard D L, Liu J C 1999 IEEE Trans. Antennas Propag. 47 1201Google Scholar
[30] Yan B, Liu C H, Zhang H Y, Shi Y 2015 Opt. Commun. 338 261Google Scholar
[31] Wang W J, Sun Y F, Zhang H Y 2017 Opt. Commun. 385 54Google Scholar
[32] Gao X, Zhang H 2017 Optik 129 43Google Scholar
[33] Zheng M, Zhang H Y, Sun Y F, Wang Z G 2015 J. Quant. Spectrosc. Radiat. Transfer 151 192Google Scholar
[34] Li L W, Dan Y, Leong M, et al. 1999 Prog. Electromagnet. Res. 23 1203
[35] Shang Q, Wu Z, Qu T, Li Z, Bai L 2016 J. Quant. Spectrosc. Radiat. Transfer 173 72Google Scholar
[36] Ren K F, Grehan G, Gouesbet G 1994 J. Opt. 25 165Google Scholar
[37] Ren K F, Gérard G 1993 Part. Part. Syst. Char. 10 146Google Scholar
[38] Naqwi A A, Liu X Z, Durst F 1992 Part. Part. Syst. Char. 9 44Google Scholar
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[40] Rockwell D, Magness C, Towfighi J, Akin O, Corcoran T 1993 Exp. Fluids 14 181Google Scholar
[41] Adrian R J 1984 Appl. Opt. 23 1690Google Scholar
[42] Gréhan D G, Gouesbet G, Naqwi D A, Durst F 1993 Part. Part. Syst. Char. 10 332Google Scholar
[43] Doicu D I A, Ebert D I F, Schabel D I S 1996 Part. Part. Syst. Char. 13 79Google Scholar
[44] 郭红莲, 曹勤红, 任东涛, 刘国琴, 段建发, 李兆霖, 张道中, 韩学海 2003 科学通报 48 6
Guo H L, Cao Q H, Ren D T, Liu G Q, Duan J F, Li Z L, Zhang D Z, Han X M 2003 Chin. Sci. Bull. 48 6
[45] Wang W, Shen J Q 2018 J. Quant. Spectrosc. Radiat. Transfer 212 139Google Scholar
[46] Shen J Q, Liu X, Wang W, Yu H T 2018 J. Opt. Soc. Am. A. 35 8Google Scholar
[47] 李应乐, 李瑾, 王明军, 董群峰 2014 中国科学: 物理学 力学 天文学 5 7
Li Y L, Li Q, Wang M J, Dong Q F 2014 Sci. Chin. -Phys. Mech. Astron. 5 7
[48] 李应乐, 李瑾, 王明军, 董群峰 2013 激光与光电子学进展 50 6
Li Y L, Li Q, Wang M J, Dong Q F 2013 Laser Optoelectron. Prog. 50 6
[49] Ma N Z, Li R X 2010 International Symposium on Antennas Propagation & Em Theory Guangzhou, Novenber 29–December 2, 2010 p646
[50] Li R X, Ren K F, Han X 2013 J. Quant. Spectrosc. Radiat. Transfer 126 69Google Scholar
[51] Ren K F, Gréhan G, Gouesbet G 1994 J. Opt. Soc. Am. A 11 2072
[52] Gouesbet G, Grehan G, Maheu B 1988 Appl. Opt. 27 4874Google Scholar
[53] Barton J P, Alexander D R, Schaub S A 1989 J. Appl. Phys. 66 4594Google Scholar
[54] Rohrbach A, Stelzer E H K 2000 J. Opt. Soc. Am. A 18 839
[55] Harada Y, Asakura T 1996 Opt. Commun. 124 529Google Scholar
[56] Schut T C, Hesselink G, Grooth B G 1991 Cytometry 12 479Google Scholar
[57] Nemoto, Togo H 1998 Appl. Opt. 37 6386Google Scholar
[58] Nahmias Y K, Gao B Z, Odde D J 2004 Appl. Opt. 43 3999Google Scholar
[59] Drezek R, Dunn A, Richards-Kortum R 1999 Appl. Opt. 38 3651Google Scholar
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图 2 手征多层球退化为各向同性多层球的辐射俘获力与实验及文献结果进行对比 (a) 单层球对比轴向俘获力
${F_z}$ ; (b) 双层球对比轴向俘获力${F_z}$ ; (c)五层球对比横向俘获力截面${C_{{\text{pr}}, x}}$ Figure 2. Comparisons of trapping force (TF) from the theory when multi-layered chiral sphere is degenerated into stratified isotropic sphere with the results from existing references and experiments: (a) Comparisons of axial TF
${F_z}$ on a single-layered sphere; (b) comparisons of axial TF${F_z}$ on a double-layered sphere; (c) comparisons of transverse TF cross section${C_{{\text{pr}}, x}}$ on a five-layered sphere.图 9 不同束腰半径对横向俘获力随粒子离轴位置
$d$ 变化的影响 (a)${F_x}$ 随粒子离轴位置$d$ 变化; (b)${F_y}$ 随粒子离轴位置$d$ 变化Figure 9. Effects of beam waist width on transverse TF with the varying position
$d$ of the chiral cell off axis: (a)${F_x}$ changes with the varying position$d$ off axis; (b)${F_y}$ changes with the varying position$d$ off axis. -
[1] Ashkin A 1970 Phys. Rev. Lett. 24 156Google Scholar
[2] Ashkin A 1980 Science 210 1081Google Scholar
[3] 蒋云峰, 陆璇辉, 赵承良 2010 59 3959Google Scholar
Jiang Y F, Lu X H, Zhao C L 2010 Acta Phys. Sin. 59 3959Google Scholar
[4] 吴鹏, 韩一平, 刘德芳 2005 54 2676Google Scholar
Wu P, Han Y P, Liu D F 2005 Acta Phys. Sin. 54 2676Google Scholar
[5] Ren K F, Gréha G, Gouesbet G 1994 Opt. Commun. 108 343Google Scholar
[6] Lock J A 2004 Endocrinology 43 2532
[7] Gouesbet G, Lock J A 1994 J. Opt. Soc. Am. A: 11 2503
[8] Ren K F, Gouesbet G, Gréha G 1998 Appl. Opt. 37 4218Google Scholar
[9] 韩一平, 杜云刚, 张华永 2006 55 4557Google Scholar
Han Y P, Du Y G, Zhang H Y 2006 Acta Phys. Sin. 55 4557Google Scholar
[10] 韩国霞, 韩一平 2009 58 6167Google Scholar
Han G X, Han Y P 2009 Acta Phys. Sin. 58 6167Google Scholar
[11] Onofri F, Gréha G, Gouesbet G 1995 Appl. Opt. 34 7113Google Scholar
[12] Li H Y, Wu Z S, Li Z J 2009 Chin. Phys. Lett. 26 104203Google Scholar
[13] Ladutenko K, Pal U, Rivera A, Rodríguez O 2007 Comput. Phys. Commun. 214 225
[14] Pei S, Pan Q, Cui F, Xu S S, Cao Z L 2018 Optik 180 379
[15] Bohren G F, Huffman D R 1983 Absorption and Scattering of Light by Small Particles (New York: Wiley)
[16] Kerker M 1969 The Scattering of Light and Other Electromagnetic Radiation (New York: Academic)
[17] Wu Z S, Wang Y P 1991 Radio Sci. 26 1393Google Scholar
[18] 李海英, 吴振森 2008 57 833Google Scholar
Li H Y, Wu Z S 2008 Acta Phys. Sin. 57 833Google Scholar
[19] Chen Z Y, Han Y P, Cui Z W, Shi X W 2015 Opt. Commun. 340 5Google Scholar
[20] Yu M P, Han Y P, Cui Z W, Sun H Y 2018 J. Opt. Soc. Am. A 35 1504
[21] Shore R A 2015 IEEE Antennas Propag. Mag. 57 69
[22] Wang H B, Liu X Z, Gao S, Cui J, Liu H J, He A J, Zhang G T 2018 Chin. Phys. B 27 034302Google Scholar
[23] Schut T C B, Hesselink G, de Grooth B G, Greve J 1991 Cytomety 12 479Google Scholar
[24] Rohrbach A, Stelzer E 2001 J. Opt. Soc. Am. A: 18 839
[25] Ermutlu M E, Sihvola A H 1994 Prog. Electromagnet. Res. 9 87Google Scholar
[26] Ren W 1994 Prog. Electromagnet. Res. 9 103Google Scholar
[27] Simpson S H, Hanna S 2011 Phys. Rev. A 84 053808Google Scholar
[28] Cooray M F R, Ciric I R 1993 J. Opt. Soc. Am. A: 10 1197
[29] Jaggard D L, Liu J C 1999 IEEE Trans. Antennas Propag. 47 1201Google Scholar
[30] Yan B, Liu C H, Zhang H Y, Shi Y 2015 Opt. Commun. 338 261Google Scholar
[31] Wang W J, Sun Y F, Zhang H Y 2017 Opt. Commun. 385 54Google Scholar
[32] Gao X, Zhang H 2017 Optik 129 43Google Scholar
[33] Zheng M, Zhang H Y, Sun Y F, Wang Z G 2015 J. Quant. Spectrosc. Radiat. Transfer 151 192Google Scholar
[34] Li L W, Dan Y, Leong M, et al. 1999 Prog. Electromagnet. Res. 23 1203
[35] Shang Q, Wu Z, Qu T, Li Z, Bai L 2016 J. Quant. Spectrosc. Radiat. Transfer 173 72Google Scholar
[36] Ren K F, Grehan G, Gouesbet G 1994 J. Opt. 25 165Google Scholar
[37] Ren K F, Gérard G 1993 Part. Part. Syst. Char. 10 146Google Scholar
[38] Naqwi A A, Liu X Z, Durst F 1992 Part. Part. Syst. Char. 9 44Google Scholar
[39] Naqwi A A, Liu X Z, Franz D 1990 Part. Part. Syst. Char. 7 45Google Scholar
[40] Rockwell D, Magness C, Towfighi J, Akin O, Corcoran T 1993 Exp. Fluids 14 181Google Scholar
[41] Adrian R J 1984 Appl. Opt. 23 1690Google Scholar
[42] Gréhan D G, Gouesbet G, Naqwi D A, Durst F 1993 Part. Part. Syst. Char. 10 332Google Scholar
[43] Doicu D I A, Ebert D I F, Schabel D I S 1996 Part. Part. Syst. Char. 13 79Google Scholar
[44] 郭红莲, 曹勤红, 任东涛, 刘国琴, 段建发, 李兆霖, 张道中, 韩学海 2003 科学通报 48 6
Guo H L, Cao Q H, Ren D T, Liu G Q, Duan J F, Li Z L, Zhang D Z, Han X M 2003 Chin. Sci. Bull. 48 6
[45] Wang W, Shen J Q 2018 J. Quant. Spectrosc. Radiat. Transfer 212 139Google Scholar
[46] Shen J Q, Liu X, Wang W, Yu H T 2018 J. Opt. Soc. Am. A. 35 8Google Scholar
[47] 李应乐, 李瑾, 王明军, 董群峰 2014 中国科学: 物理学 力学 天文学 5 7
Li Y L, Li Q, Wang M J, Dong Q F 2014 Sci. Chin. -Phys. Mech. Astron. 5 7
[48] 李应乐, 李瑾, 王明军, 董群峰 2013 激光与光电子学进展 50 6
Li Y L, Li Q, Wang M J, Dong Q F 2013 Laser Optoelectron. Prog. 50 6
[49] Ma N Z, Li R X 2010 International Symposium on Antennas Propagation & Em Theory Guangzhou, Novenber 29–December 2, 2010 p646
[50] Li R X, Ren K F, Han X 2013 J. Quant. Spectrosc. Radiat. Transfer 126 69Google Scholar
[51] Ren K F, Gréhan G, Gouesbet G 1994 J. Opt. Soc. Am. A 11 2072
[52] Gouesbet G, Grehan G, Maheu B 1988 Appl. Opt. 27 4874Google Scholar
[53] Barton J P, Alexander D R, Schaub S A 1989 J. Appl. Phys. 66 4594Google Scholar
[54] Rohrbach A, Stelzer E H K 2000 J. Opt. Soc. Am. A 18 839
[55] Harada Y, Asakura T 1996 Opt. Commun. 124 529Google Scholar
[56] Schut T C, Hesselink G, Grooth B G 1991 Cytometry 12 479Google Scholar
[57] Nemoto, Togo H 1998 Appl. Opt. 37 6386Google Scholar
[58] Nahmias Y K, Gao B Z, Odde D J 2004 Appl. Opt. 43 3999Google Scholar
[59] Drezek R, Dunn A, Richards-Kortum R 1999 Appl. Opt. 38 3651Google Scholar
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