Abrupt U-turn of the dielectric particle by anti-parallel fiber optic Bessel beams

Juwon Yoon

doi:10.1117/12.2616162

27 October 2021 Abrupt U-turn of the dielectric particle by anti-parallel fiber optic Bessel beams

Juwon Yoon

Proceedings Volume 11926, Optical Manipulation and Structured Materials Conference 2021; 119260Z (2021) https://doi.org/10.1117/12.2616162
Event: SPIE Technologies and Applications of Structured Light, 2021, Online, Japan

Abstract

We suggest a new way of using Bessel beams to achieve n-dimensional optical control of high-refractive index microparticles. Although classic optical trapping generally uses bulk optics, this study uses small fiber optics with maximized efficiency. The Bessel beams follow the propagation axis, and the gradient force generated during this process creates an axial optical power that enables the confinement of particles. Due to the non-diffractive property of this beam, the beam diameter is much longer than that of a general Gaussian beam and has a self-healing property that suppresses the deformation of the beam.

Citation Download Citation

Juwon Yoon "Abrupt U-turn of the dielectric particle by anti-parallel fiber optic Bessel beams", Proc. SPIE 11926, Optical Manipulation and Structured Materials Conference 2021, 119260Z (27 October 2021); https://doi.org/10.1117/12.2616162

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