Influence of biological tissue and spatial correlation on spectral changes of Gaussian-Schell model vortex beam
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2020.106224
Abstract: Abstract Based on the extended Huygens-Fresnel principle, the analytical expressions of the spectrum for Gaussian-Schell model vortex beam (GSMVB) propagating in biological tissues have been derived. The effects of the field point position, the species… read more here.
Keywords: jump; model vortex; vortex beam; gaussian schell ... See more keywords
Robustness of partially coherent vortex beams to the impact of dynamic Kolmogorov kind of turbulence
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad1909
Abstract: The wave propagation characteristics of Gaussian-Schell model vortex beams passing through a dynamic Kolmogorov type of turbulence are analyzed at the laboratory level. The effect of a rotating pseudo-random phase plate, which simulates Kolmogorov-type atmospheric… read more here.
Keywords: dynamic kolmogorov; vortex beams; gaussian schell; turbulence ... See more keywords
Statistical features of an electromagnetic Gaussian-Schell model beam propagating through a smoke aerosol environment.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.446960
Abstract: In this paper, we investigate both theoretically and experimentally the statistical properties of an electromagnetic Gaussian-Schell model (EMGSM) beam propagating through polluted atmosphere specifically containing smoke aerosol medium. Experimentally, a glass chamber of 1 m… read more here.
Keywords: electromagnetic gaussian; beam; beam propagating; schell model ... See more keywords
Depth of focus and intensity distribution of a lensacon illuminated by a partially coherent Gaussian Schell vortex beam.
Sign Up to like & getrecommendations! Published in 2024 at "Applied optics"
DOI: 10.1364/ao.520732
Abstract: Using the extended Huygens-Fresnel principle, a cross-spectral density formula was developed for a Gaussian Schell model vortex (PCGSMV) beam diffracted through a lensacon (lens with an axicon). The intensity and depth of focus (DOF) shaped… read more here.
Keywords: intensity; gaussian schell; beam; lensacon ... See more keywords
Monte Carlo simulations of three-dimensional electromagnetic Gaussian Schell-model sources.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.002303
Abstract: This article presents a method to simulate a three-dimensional (3D) electromagnetic Gaussian-Schell model (EGSM) source with desired characteristics. Using the complex screen method, originally developed for the synthesis of two-dimensional stochastic electromagnetic fields, a set… read more here.
Keywords: three dimensional; source; gaussian schell; electromagnetic gaussian ... See more keywords
Statistical properties of electromagnetic twisted Gaussian Schell-model array beams during propagation.
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DOI: 10.1364/oe.27.019624
Abstract: An analytical model for electromagnetic twisted Gaussian Schell-model array (EM TGSMA) beams is introduced. We derive the analytical expression for the cross-spectral density matrix (CSDM) of such beam propagating in free space and investigate the… read more here.
Keywords: schell model; twisted gaussian; model; gaussian schell ... See more keywords
Three modal decompositions of Gaussian Schell-model sources: comparative analysis.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.435767
Abstract: Representation of the cross-spectral density (CSD) function of an optical source or beam as the incoherent superposition of mutually uncorrelated modes are widely used in imaging systems and in free space optical communication systems for… read more here.
Keywords: three modal; order statistics; gaussian schell; schell model ... See more keywords
Evolution properties of twisted Hermite Gaussian Schell-model beams in non-Kolmogorov turbulence.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.448717
Abstract: A general form of twisted Hermite Gaussian Schell-model (THGSM) beams is introduced; analytical expressionsare obtained for cross-spectral density and M2-factor using the extended Huygens-Fresnel principle and Wigner function. The evolution of THGSM beams during propagation… read more here.
Keywords: kolmogorov turbulence; non kolmogorov; hermite gaussian; schell model ... See more keywords
Twisted Gaussian Schell-model breathers and solitons in strongly nonlocal nonlinear media.
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DOI: 10.1364/oe.466117
Abstract: Based on the Snyder-Mitchell linear model and the cross-spectral density (CSD) function, the analytical propagation formula of twisted Gaussian Schell-model (TGSM) beams in strongly nonlocal nonlinear medium (SNNM) is derived. Then the propagation characteristics of… read more here.
Keywords: schell model; nonlocal nonlinear; model; gaussian schell ... See more keywords
Coherent detection performance of Gaussian-Schell model pulses: impacts of temporal coherence, pulse width, and optical path difference.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.573781
Abstract: This paper theoretically investigates the coherent laser detection performance for partially temporally coherent pulses modeled by the Gaussian-Schell model (GSM), in conjunction with a continuous-wave (CW) local oscillator (LO) beam with a Gaussian spectral profile.… read more here.
Keywords: detection; detection performance; temporal coherence; coherent detection ... See more keywords
Twisted Gaussian Schell-model array beams.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.003554
Abstract: We introduce, to the best of our knowledge, a new class of twisted partially coherent sources for producing rotating Gaussian array profiles. The general analytical formula for the cross-spectral density function of a beam generated… read more here.
Keywords: array; twisted gaussian; gaussian schell; array beams ... See more keywords