Generation of the trapping light structures based on vector fields

Shostka, N. V.; Karakchieva, O. S.; Sokolenko, Bogdan V.

doi:10.1088/1742-6596/1124/5/051061

Cited by 4 publications

(1 citation statement)

References 16 publications

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“…Still, up to this number of multiplexed beams, the structural properties can be clearly identified. The ability of simultaneously creating multiple beams has shown to be useful in the creation of trapping structures known as bottle beams [36], non-invasive measurement and manipulation of live cells [37] and operation of microoptomechanical pumps [38], and we think that this scheme may have application in those research fields.…”

Section: Resultsmentioning

confidence: 99%

Quasi-perfect vector vortex beam multiplexing using an LCoS

Vergara¹,

Iemmi²

2022

Preprint

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In this paper we show a method for creating multiple independent perfect vector vortex beams with real-time programmable radii, topological charges, polarization orders and position in 3 dimensions, using a device based on a phase-only liquid crystal on silicon display. We achieved the simultaneous generation of up to 7 independent beams, with topological charges from -3 to 3, and found great agreement between the simulated and the measured phases and polarization structures. Additionally, we used the same scheme for enhancing the depth of focus of a single beam, resulting in a "tube" beam that preserves its properties during propagation.

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Section: Resultsmentioning

confidence: 99%

Quasi-perfect vector vortex beam multiplexing using an LCoS

Vergara¹,

Iemmi²

2022

Preprint

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Transmission of optical vortices through Bragg optical multihelicoidal fibers of heterogeneous type

Lapin

Yavorsky

Barshak

et al. 2019

J. Phys.: Conf. Ser.

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In this paper we have theoretically shown that two-part and three-part multihelicoidal fibers of heterogeneous type in the presence of twist defects are able to invert the topological charge of incoming optical vortices. We have shown that three-part multihelicoidal fibers of that type can be used as compact comb filters for optical vortices. Also we have studied the emergence of topologically charged fields localized near defects in such fibers. We have established that strongly localized fields can emerge only in three-part multihelicoidal fibers.

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Digital holographic visualization of microparticles retained by an optical spatial trap

Shostka

Sokolenko

Karakcheva

et al. 2020

J. Phys.: Conf. Ser.

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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.

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Generation of the trapping light structures based on vector fields

Cited by 4 publications

References 16 publications

Quasi-perfect vector vortex beam multiplexing using an LCoS

Quasi-perfect vector vortex beam multiplexing using an LCoS

Transmission of optical vortices through Bragg optical multihelicoidal fibers of heterogeneous type

Digital holographic visualization of microparticles retained by an optical spatial trap

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