Digital holographic visualization of microparticles retained by an optical spatial trap

Shostka, N. V.; Sokolenko, Bogdan V.; Karakcheva, O. S.; Prisyazhniuk, A. V.; Voytitsky, V. I.; Poletaev, D. A.; Halilov, S

doi:10.1088/1742-6596/1697/1/012161

Cited by 5 publications

(1 citation statement)

References 17 publications

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“…Decades of rapid development of digital holography as an applied method in microscopy made it possible to use numerous algorithms of image computer processing, including neuron networks [321,322]. The most in demand is the approach of numerical focusing instead of mechanical, for which one hologram is sufficient [323,324]. Holographic microscopy became widely used in studies of aerosol particles and their interaction in optical traps [325,326].…”

Section: Integration Of Optical Trapping With Monitoring and Optical ...mentioning

confidence: 99%

Optical tweezers and manipulators. Modern concepts and future prospect

2022

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The review aims to generalize fundamental concepts that are necessary for understanding the mechanisms and principles of optical trapping in both liquid media and air. One of the objectives of the article is to familiarize a wide audience with the global experience and the prospects for developing the fundamental principles of the functioning of optical tweezers for various purposes. The paper describes in detail the design options of optical manipulators in terms of versatility and energy efficiency of their use in a wide range of modern practical purposes and tasks.

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Section: Integration Of Optical Trapping With Monitoring and Optical ...mentioning

confidence: 99%

Optical tweezers and manipulators. Modern concepts and future prospect

2022

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Determination of the refractive index profile and surface topography of optically smooth objects using interference of optical vortices

Sokolenko

Shostka

Poletaev

2021

J. Phys.: Conf. Ser.

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In this paper, we present the results of the propagational dynamics of vortex beams in the scope of their possible applications for interferometric non-contact robust and precision optical surface profilometry with nanoscale longitudinal resolution. The result of coaxial superposition of the reference plane wave with singly charged vortex beams represents a dynamically changing intensity distribution. The nature of this changes, namely, rotational effects of intensity zeros, allows to determine directly the optical path difference which is introduced by the surfaces and internal structure of test object. We have proposed the experimental setup for examination of reflecting and transmitting objects.

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