Diffraction of generalized Humbert–Gaussian beams by a helical axicon
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02662-5
Abstract: In the present paper, the diffraction of the Generalized Humbert–Gaussian beams by a helical axicon based on the process of the Fresnel diffraction is investigated. We have derived an analytical expression of the intensity distribution… read more here.
Keywords: diffraction generalized; helical axicon; humbert gaussian; generalized humbert ... See more keywords
Laguerre-Gaussian beams as an optical pipeline: Optical forces and intra-fluid micro particle movements
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DOI: 10.1016/j.ijleo.2021.166591
Abstract: Abstract In this study, particle motion with low thermal conductivity, such as carbon nanoclasts aerosols, is simulated when irradiated by an optical tube such as Laguerre- Gaussian and Bessel-Gaussian beams. Opticall forces due to light… read more here.
Keywords: laguerre gaussian; radiation; beams optical; gaussian beams ... See more keywords
Bandwidth-limited orbital angular momentum mode of Bessel Gaussian beams in the moderate to strong non-Kolmogorov turbulence
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.01.027
Abstract: Abstract We investigate the effects of the moderate to strong fluctuation on the propagation of orbital angular momentum (OAM) modes carried by Bessel Gaussian beams in turbulent atmosphere. The analytic expression of the received probability… read more here.
Keywords: turbulence; non kolmogorov; moderate strong; gaussian beams ... See more keywords
Propagation of the Pearcey Gaussian beams in a medium with a parabolic refractive index
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DOI: 10.1016/j.optcom.2020.125478
Abstract: Abstract We have studied the propagation of the Pearcey Gaussian (PeG) beams in a medium with a parabolic refractive index. Compared to the Airy Gaussian beams and common Gaussian beams, there occur two kinds of… read more here.
Keywords: propagation pearcey; gaussian beams; parabolic refractive; medium parabolic ... See more keywords
Performance analysis on free space underwater data transmission using Bessel–Gaussian beams in a simulated ocean channel with various effects
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125969
Abstract: Abstract Bessel–Gaussian (BG) beams have shown their great potential application in optical communication for resisting atmospheric turbulence or ocean turbulence. Using On/Off Keying (OOK) modulation format, an underwater data transmission performance over 1m free space… read more here.
Keywords: gaussian beams; data transmission; underwater data; bessel gaussian ... See more keywords
Inclination shift signal: thickness or index measurement in transparent media by transmission of generally astigmatic Gaussian beams
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106480
Abstract: Abstract The focus error signal is a widespread optical technique that harnesses the shape of a simply astigmatic Gaussian beam to produce an output signal with a well-defined linear range used for many different applications.… read more here.
Keywords: index; gaussian beams; astigmatic gaussian; inclination shift ... See more keywords
Analytic expression and propagation properties of hollow Gaussian beams for the off-waist incident case in strongly nonlocal media
Sign Up to like & getrecommendations! Published in 2018 at "Results in physics"
DOI: 10.1016/j.rinp.2018.02.029
Abstract: Abstract In this paper, the propagation properties of hollow Gaussian beams (HGBs) are discussed in detail when they are off-waist incident in strongly nonlocal media. A set of mathematic expressions are given to describe the… read more here.
Keywords: propagation; properties hollow; gaussian beams; hollow gaussian ... See more keywords
Anomalous transverse transformation of astigmatic four-petal Gaussian beams in isotropic nonlocal nonlinear media
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DOI: 10.1016/j.rinp.2018.06.025
Abstract: Abstract In this paper, the evolution dynamics of astigmatic four-petal Gaussian beams in isotropic nonlocal nonlinear media is investigated. A series of analytical expressions are derived to describe the beam evolution, the beam width, and… read more here.
Keywords: gaussian beams; beams isotropic; petal gaussian; four petal ... See more keywords
Goos-Hänchen and Imbert-Fedorov shifts for the rotating elliptical Gaussian beams
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DOI: 10.1016/j.rinp.2020.103297
Abstract: Abstract We introduce a theoretical research of the Goos-Hanchen (GH) and Imbert-Fedorov (IF) shifts for the rotating elliptical Gaussian beams (REGBs) incidencing on a weakly absorbing semi-infinite medium. We show that the rotation ellipse parameters… read more here.
Keywords: gaussian beams; rotating elliptical; fedorov shifts; elliptical gaussian ... See more keywords
Experimental realization of scalar and vector perfect Laguerre–Gaussian beams
Sign Up to like & getrecommendations! Published in 2021 at "Applied Physics Letters"
DOI: 10.1063/5.0048741
Abstract: The generation of a perfect optical vortex (POV) has been an important area of research since the concept was introduced by Ostrovsky et al. [Opt. Lett. 38, 534 (2013)]. In this Letter, we provide the… read more here.
Keywords: gaussian beams; vector perfect; experimental realization; laguerre gaussian ... See more keywords
Quadratic Bessel-Gauss beams and the azimuthal angular spectra of Gaussian astigmatic beams
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DOI: 10.1103/physreva.102.023533
Abstract: In this work, we establish the relationship existing between astigmatic Gaussian beams and Bessel-modulated Gaussian beams with quadratic radial dependence. We introduce an alternative representation of quadratic Bessel-Gaussian beams. This result permits us to expand… read more here.
Keywords: gaussian beams; gauss beams; beams quadratic; bessel gauss ... See more keywords