Photonic chip of parallel all fiber Bessel-like beam generators array

Anjali Thanathur Vinod; Hyeonwoo Lee; Juwon Yoon; Kyunghwan Oh

doi:10.1117/12.3000872

12 March 2024 Photonic chip of parallel all fiber Bessel-like beam generators array

Anjali Thanathur Vinod, Hyeonwoo Lee, Juwon Yoon, Kyunghwan Oh

Proceedings Volume 12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV; 1287506 (2024) https://doi.org/10.1117/12.3000872
Event: SPIE LASE, 2024, San Francisco, California, United States

Abstract

This study introduces a Bessel-like Beam Generator (BBG) array for optical trapping systems, exploring its application in manipulating dielectric particles in the aqueous medium. The BBG array generates Bessel-like beams through multimode interference. By utilizing heavy water(D₂O) with low laser absorption, the photothermal effect induced due to the water convection is reduced, enhancing the trapping performance of D₂O. We could trap the polystyrene dietetic particles around the non-diffractive length of BBG. The study analyses the beam profile in D₂O and water revealing a significant increase in the non-diffractive length of D₂O. These findings have implications for biophysics and medical research, enabling precise manipulation and observation of biological particles in aqueous environments.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Anjali Thanathur Vinod, Hyeonwoo Lee, Juwon Yoon, and Kyunghwan Oh "Photonic chip of parallel all fiber Bessel-like beam generators array", Proc. SPIE 12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV, 1287506 (12 March 2024); https://doi.org/10.1117/12.3000872

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