Assessment of spatial optical trapping with digital holographic sensing for biological micro-particles studying

Natalya V. Shostka; Bogdan V. Sokolenko; Dmitrii Poletaev; Andrei Prisyazhniuk

doi:10.1117/12.2580393

8 November 2020 Assessment of spatial optical trapping with digital holographic sensing for biological micro-particles studying

Natalya V. Shostka, Bogdan V. Sokolenko, Dmitrii Poletaev, Andrei Prisyazhniuk

Author Affiliations +

Proceedings Volume 11525, SPIE Future Sensing Technologies; 1152528 (2020) https://doi.org/10.1117/12.2580393
Event: SPIE Future Sensing Technologies, 2020, Online Only

Conference Poster

Abstract

In this article, we analyze the possibilities of non-contact confinement of micron-sized absorbing particles using optical traps based on a spatially structured beam. The proposed method utilizes multi-beam interference with controllable parameters including tilt angles, waists and a number of superposed beams. The effectiveness of trapping and its selectivity to variable masses and shapes of particles is determined by axial symmetry of spatial intensity distribution at the trapping area. In addition to implementing non-contact trapping, optical visualization was performed with axial digital holographic microscopy in-situ. This method contributes to the accurate localization of studied specimens inside the cuvette.

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Citation Download Citation

Natalya V. Shostka, Bogdan V. Sokolenko, Dmitrii Poletaev, and Andrei Prisyazhniuk "Assessment of spatial optical trapping with digital holographic sensing for biological micro-particles studying", Proc. SPIE 11525, SPIE Future Sensing Technologies, 1152528 (8 November 2020); https://doi.org/10.1117/12.2580393

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