Digital holographic visualization of microparticles retained by an optical spatial trap

We propose a convenient method for generating optical traps based on a spatially structured beam. The proposed method of optical trap shaping utilizes interference of few Gaussian beams which waists, inclination angles and beam number are chosen for controllable trapping of micron-sized particles in...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-12, Vol.1697 (1), p.12161
Main Authors: Shostka, N V, Sokolenko, B V, Karakcheva, O S, Prisyazhniuk, A V, Voytitsky, V I, Poletaev, D A, Halilov, S I
Format: Article
Language:English
Subjects:
Gaussian beams (optics)
Holography
Inclination angle
Microparticles
Optical traps
Physics
Visualization
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Summary:We propose a convenient method for generating optical traps based on a spatially structured beam. The proposed method of optical trap shaping utilizes interference of few Gaussian beams which waists, inclination angles and beam number are chosen for controllable trapping of micron-sized particles in three-dimensional space. In addition to implementing non-contact trapping, optical visualization in all planes was performed with digital holographic microscopy. This method contributes to the accurate localization of the studied specimens inside the cuvette over whole volume.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1697/1/012161