Photonics Research, Volume. 13, Issue 10, 2821(2025)

Dynamic holographic optical bottles for selective manipulation and merging of multiple absorbing particles

Zhenhang Xu1,2, Yongzheng Yang1,2, Anqi Liang1,2, Hailong Wu1,2, Yantao Zheng1,2, Aoshuai Huang1,2, Zongyuan Wu1,2, and Dongmei Deng1,2、*
Author Affiliations
  • 1Provincial Key Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510631, China
  • 2School of Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China
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    Figures & Tables(6)
    Schematic implementation of dynamic holographic OBs. (a) Schematic experimental setup for generating versatile OBs. GP, Glan-Taylor prism; BE, beam expander; SLM, spatial light modulator; L1–L5, lenses; CA, circle aperture; M, mirror; C, cuvette; MO, microscope objective; CMOS, complementary metal oxide semiconductor. (b1), (b2) Schematic diagrams of selective switching and moving of two OBs.
    Numerical side views of OBs of dynamic manipulation steps. (a) Two steps of a single OB “on/off” operation. (b) Two steps of selectively turning off one of two OBs. (c) Five steps of selectively moving and turning off one of two OBs. (d) Four steps of merging two OBs into one and then moving it. See Appendix D for specific parameters.
    The trapping performance of OBs and the switching of OBs to release MCMBs. (a) Vibrational positions of the trapped MCMBs. Red dots mark the positions of the MCMBs in 2000 frames of Visualization 1, and the white bright spot is the image of MCMBs from the last frame. (b1), (b2) Trapping stiffness measured at various optical powers (15.0, 19.8, and 22.5 mW) and two different OB sizes (OB 1 and OB 2). (c1), (c2) Experimental photographs of the “on/off” operation of a single OB. (d1), (d2) Experimental photographs of selectively turning off one of two OBs.
    Experimental results of selective moving of OBs to selectively transport and merge targeted MCMB clusters. (a1)–(a5) Experimental photographs of selectively moving and turning off one of two OBs. (b) Position trace of the moving particle cluster. (c) Instantaneous velocity of MCMBs transport and the corresponding polynomial fit (red line) during selective OB movement. (d1)–(d4) Experimental photographs of merging two OBs into one.
    The interference behavior of different focus positions. (a)–(d) a2−12=173; a1−12 is 97, 100, 106, and 115, respectively.
    Comparative analysis between a single OB and two OBs. (a) Side views of a single OB and two OBs. (b1), (b2) Trapping stiffness in z-direction and y-direction for OB “A” and OB “B” at different optical powers.
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    Zhenhang Xu, Yongzheng Yang, Anqi Liang, Hailong Wu, Yantao Zheng, Aoshuai Huang, Zongyuan Wu, Dongmei Deng, "Dynamic holographic optical bottles for selective manipulation and merging of multiple absorbing particles," Photonics Res. 13, 2821 (2025)

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    Paper Information

    Category: Physical Optics

    Received: Mar. 18, 2025

    Accepted: Jul. 10, 2025

    Published Online: Sep. 22, 2025

    The Author Email: Dongmei Deng (dengdongmei@m.scnu.edu.cn)

    DOI:10.1364/PRJ.562232

    CSTR:32188.14.PRJ.562232

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