| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Controlled propagation and particle manipulation of off-axis-rotating elliptical Gaussian beams in strong nonlocal media |
| Rong-Quan Chen(陈荣泉)1, Rui-Lin Xiao(肖瑞林)2,†, Wei Wang(王伟)1, Xi-Xi Chu(储茜茜)1, Yu-Qing Song(宋雨晴)1, Xu-Dong Hu(胡旭东)1, and Ming Chen(陈明)1,‡ |
1 Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin 541004, China;
2 School of Physics, Anshan Normal University, Anshan 114007, China |
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Abstract Off-axis-rotating elliptical Gaussian beams (OareGB) oblique incidence in strong nonlocal medium exhibit novel propagation properties. The analytical expressions of semi-axial beam widths, and center-of-mass trajectory equations for transmitting off-axis-rotating elliptical Gaussian beams in strong nonlocal media are obtained using the $ABCD$ transfer matrix method. The study revealed that the trajectory of the mass's center in the cross-section can be controlled by changing the sizes of the OareGB parameters $c$, $d$, $\zeta$, and $f$. The gradient force of the light field causes the spot region to form a spatial potential well in the media, and this spatial potential well can effectively capture nanoparticles. The particles captured by the light field can move along with the beam, realizing the effective manipulation of the particle trajectory. These laws may be applied to modulating the propagation path of light beams and optical tweezer technology.
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Received: 06 December 2024
Revised: 08 January 2025
Accepted manuscript online: 14 January 2025
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PACS:
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42.25.Bs
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(Wave propagation, transmission and absorption)
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42.65.-k
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(Nonlinear optics)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 62075047) and the Natural Science Foundation of Guangxi Zhuang Autonomous Region, China (Grant No. 2020GXNSFDA297019). |
Corresponding Authors:
Rui-Lin Xiao, Ming Chen
E-mail: xiaoruilin0797@163.com;mchenqq2011@163.com
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Cite this article:
Rong-Quan Chen(陈荣泉), Rui-Lin Xiao(肖瑞林), Wei Wang(王伟), Xi-Xi Chu(储茜茜), Yu-Qing Song(宋雨晴), Xu-Dong Hu(胡旭东), and Ming Chen(陈明) Controlled propagation and particle manipulation of off-axis-rotating elliptical Gaussian beams in strong nonlocal media 2025 Chin. Phys. B 34 034205
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