Three-dimensional optical bottle beams for axial optical tweezers based on interference of Bessel beams

Xianlin Song

doi:10.1117/12.2592113

1 August 2021 Three-dimensional optical bottle beams for axial optical tweezers based on interference of Bessel beams

Xianlin Song

Proceedings Volume 11798, Optical Trapping and Optical Micromanipulation XVIII; 117982J (2021) https://doi.org/10.1117/12.2592113
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Axial optical chain (optical bottle beams) beams are widely used in optical micromanipulation, atom trapping, guiding and binding of microparticles and biological cells, etc. However, the generation of axial optical chain beams are not very flexible at present, and its important characteristics such as periodicity cannot be easily regulated. Here, we propose a novel method to achieve the axial optical chain beams with controllable periodicity and phase. Axial optical chain beams is produced by interference of two zero-order Bessel beams with different axial wave vectors. The periodicity of the axial optical chain beams can be changed by changing the radius of the double annular slits, respectively. The feasibility and effectiveness of the proposed method are demonstrated by theoretical numerical analysis. This method will further expand the application of axial optical chain beams in optical tweezers, optical modulation and other fields.

Citation Download Citation

Xianlin Song "Three-dimensional optical bottle beams for axial optical tweezers based on interference of Bessel beams", Proc. SPIE 11798, Optical Trapping and Optical Micromanipulation XVIII, 117982J (1 August 2021); https://doi.org/10.1117/12.2592113

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