Search Results - "Stoyanov, Lyubomir"
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Zeroth- and first-order long range non-diffracting Gauss–Bessel beams generated by annihilating multiple-charged optical vortices
Published in Scientific reports (15-12-2020)“…We demonstrate an alternative approach for generating zeroth- and first-order long range non-diffracting Gauss–Bessel beams (GBBs). Starting from a Gaussian…”
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2
Focal beam structuring by triple mixing of optical vortex lattices
Published in Optical and quantum electronics (2022)“…On-demand generation and reshaping of arrays of focused laser beams is highly desired in many areas of science and technology. In this work, we present a…”
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3
Far field diffraction of an optical vortex beam by a fork-shaped grating
Published in Optics communications (01-09-2015)“…In this work we report experimental data confirming the analytically predicted transformation of the topological charge (TC) of an input optical vortex (OV)…”
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4
Gouy phase of Bessel-Gaussian beams: theory vs. experiment
Published in Optics express (24-04-2023)“…It is well-known that the wave of a freely propagating Gaussian beam experiences an additional π phase shift compared to a plane wave. This phase shift, known…”
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5
Long-range quasi-non-diffracting Gauss-Bessel beams in a few-cycle laser field
Published in Optics express (29-03-2021)“…Many applications ranging from nonlinear optics to material processing would benefit from pulsed ultrashort (quasi-)non-diffracting Gauss-Bessel beams (GBBs)…”
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6
Generation of long range low-divergent Gauss–Bessel beams by annihilating optical vortices
Published in Optics communications (01-02-2021)“…Bessel beams are remarkable since they do not diverge. Accordingly, they have numerous applications ranging from precision laser micro-machining to laser…”
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7
Five-vortex spot patterns generated by diffraction of azimuthally X-shaped beam from a fork-shaped grating
Published in Optics communications (01-12-2018)“…By theoretical and experimental methods it is demonstrated how a beam whose amplitude profile is X-modulated in azimuthal direction, with central dark…”
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8
Formation of multi-spot focal arrays by square-shaped optical vortex lattices
Published in Optics communications (15-10-2019)“…In this work, we present numerical simulations and experimental evidence for the creation of controllable multi-spot focal arrays composed of bright beams with…”
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9
Emotional Behavior of Aged A53T α-Synuclein Parkinson Mice
Published 01-01-2021“…Morbus Parkinson ist eine tödliche, unheilbare, neurodegenerative Erkrankung, von der weltweit etwa 4 Millionen Menschen betroffen sind. α-Synuclein…”
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Dissertation -
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Optical vortices in brief: introduction for experimentalists
Published in European physical journal plus (10-08-2023)“…In this review, starting with the essence of phase singularities (Sect. 1 ) and continuing with the methods for the generation of singular beams of different…”
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11
Sex‐specific pleiotropic changes in emotional behavior and alcohol consumption in human α‐synuclein A53T transgenic mice during early adulthood
Published in Journal of neurochemistry (01-03-2024)“…Point mutations in the α‐synuclein coding gene may lead to the development of Parkinson's disease (PD). PD is often accompanied by other psychiatric…”
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12
Infrared upconversion imaging in nonlinear metasurfaces
Published in Advanced photonics (01-05-2021)“…Infrared imaging is a crucial technique in a multitude of applications, including night vision, autonomous vehicle navigation, optical tomography, and food…”
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13
Pulse front tilt measurement of femtosecond laser pulses
Published in Optics communications (15-07-2016)“…In this work we report experimental investigations of an intentionally introduced pulse front tilt on femtosecond laser pulses by using an inverted field…”
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14
Infrared up-conversion imaging in nonlinear metasurfaces
Published 05-01-2021“…Infrared imaging is a crucial technique in a multitude of applications, including night vision, autonomous vehicles navigation, optical tomography, and food…”
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Journal Article