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  1. Intensity characteristics of hypergeometric-gaussian type II beams in maritime turbulence

    In this study, the propagation characteristics of the Hypergeometric-Gaussian type II (HyGG-II) beam in a turbulent maritime atmosphere are...

    F. Khannous, S. Chib, A. Belafhal in Optical and Quantum Electronics
    Article 03 October 2023
  2. Maritime turbulence effect on the axis light intensity of a Bessel higher-order cosh-Gaussian laser beam

    In this study, the axial propagation properties of the Bessel higher-cosh-Gaussian (BHChG) beam in maritime atmospheric turbulence are reported....

    N. Nossir, L. Dalil-Essakali, A. Belafhal in Optical and Quantum Electronics
    Article 30 December 2023
  3. Large Eddy Simulation Study on the Turbulence and Flame Characteristics under Analogical Integral Scale and Turbulence Intensity of Turbulent Premixed Flames

    Bunsen burner is a typical geometry for investigating the turbulence-flame interaction. In most experimental studies, only turbulence intensity u ′...

    Xutao Wei, **hua Wang, ... Zuohua Huang in Journal of Thermal Science
    Article 06 January 2023
  4. The Effect of Turbulence on Generation of High-Intensity Light Channels during Femtosecond Laser Pulse Propagation along a 100-Meter Air Path

    Abstract

    Remote control of high-intensity laser beams in the atmosphere is an important problem of atmospheric optics. It is of special interest for...

    D. V. Apeksimov, P. A. Babushkin, ... E. E. Khoroshaeva in Atmospheric and Oceanic Optics
    Article 01 February 2024
  5. Copepod swimming activity and turbulence intensity: study in the Agiturb turbulence generator system

    Copepods of the species Acartia tonsa have been placed in a laboratory generated turbulent flow system, called Agiturb, characterized by...

    Clotilde Le Quiniou, François G. Schmitt, ... Yongxiang Huang in The European Physical Journal Plus
    Article 21 February 2022
  6. Properties of a Partially Coherent Sine Beam in Non-Kolmogorov Turbulence

    We present the expression of a partially coherent sine beam and derive the propagation equations of such a beam in non-Kolmogorov turbulence. The...

    Peiying Zhu, Guiqiu Wang, ... Dajun Liu in Journal of Russian Laser Research
    Article 28 May 2024
  7. How turbulence spreading improves power handling in quiescent high confinement fusion plasmas

    Viable magnetic fusion devices necessitate combining good confinement with effective power flux handling. A major concern for ITER, and devices...

    Zeyu Li, ** Chen, ... George R. McKee in Communications Physics
    Article Open access 15 March 2024
  8. Possibility of Clear Air Turbulence Localization with Lidar

    Abstract

    The ranges of the parameters of wind and temperature (refractive) turbulence are estimated corresponding to the four-point scale of...

    V. A. Banakh, I. N. Smalikho, I. V. Zaloznaya in Atmospheric and Oceanic Optics
    Article Open access 01 April 2023
  9. Spectral changes of radial array beams in inhomogeneous atmospheric turbulence

    Based on the generalized Huygens-Fresnel principle, an analytical expression for the spectral intensity of the radial array Gaussian Schell mode beam...

    **** Pan, Xuwei Pan in Optical and Quantum Electronics
    Article 29 December 2023
  10. High-Speed Thermographic Study of Convective Turbulence Characteristics over a Heated Surface

    Abstract

    The results of laboratory experiments on determining the characteristics of convective turbulence over a heated metal surface at different...

    M. V. Agafontsev, L. O. Gerasimova, ... A. N. Shesternin in Atmospheric and Oceanic Optics
    Article 01 December 2023
  11. Propagation properties of partially coherent vortex cosine-hyperbolic-Gaussian beams through oceanic turbulence

    In this paper, we have investigated the propagation properties of a partially coherent vortex cosine-hyperbolic-Gaussian beam (PCvChGB) propagating...

    M. Lazrek, Z. Hricha, A. Belafhal in Optical and Quantum Electronics
    Article 08 April 2024
  12. Comparative analysis of Bessel higher-order cosh- and sinh-Gaussian beams spreading through oceanic turbulence

    The purpose of this paper is to explore the evolution behavior of two important laser features: the Bessel higher-order cosh-Gaussian beam and the...

    N. Nossir, L. Dalil-Essakali, A. Belafhal in Optical and Quantum Electronics
    Article 25 March 2024
  13. Magnetically controlled bacterial turbulence

    Concentrated active agents can exhibit turbulent-like flows reminiscent of hydrodynamic turbulence. Despite its importance, the influence of external...

    K. Beppu, J. V. I. Timonen in Communications Physics
    Article Open access 04 July 2024
  14. Development And Execution Of An FSO Communication System To Track The Scattered Laser Beam During Atmospheric Turbulence

    Modern free-space optical communication systems primarily use intensity modulation with direct detection. The effectiveness of free-space optical...

    Esraa K. Al - Gazzi, Ekbal H. Ali, Assel J. Mohammed in Journal of Optics
    Article 18 March 2024
  15. Behavior of the central intensity of generalized humbert-gaussian beams against the atmospheric turbulence

    In this paper, we present a theoretical study of the propagation properties for Generalized Humbert-Gaussian beams (GHGBs) passing through a...

    N. Nossir, L. Dalil-Essakali, A. Belafhal in Optical and Quantum Electronics
    Article 02 November 2021
  16. Direct observation of atmospheric turbulence with a video-rate wide-field wavefront sensor

    Turbulence is a complex and chaotic state of fluid motion. Atmospheric turbulence within the Earth’s atmosphere poses fundamental challenges for...

    Yuduo Guo, Yuhan Hao, ... Lu Fang in Nature Photonics
    Article Open access 01 July 2024
  17. Analysis of the behavior of pulsed vortex beams in oceanic turbulence

    This study aims to investigate the behavior of pulsed Laguerre higher-order cosh-Gaussian (LHChG) beam as they travel through turbulent oceanic...

    H. Benzehoua, A. Belafhal in Optical and Quantum Electronics
    Article 08 June 2023
  18. Numerical Simulation of Tollmien–Schlichting Wave Generation by Flow Turbulence

    Abstract

    The disturbances generated by external turbulence in the shear layer on a flat plate suddenly set in motion are found. As the initial...

    M. V. Ustinov in Fluid Dynamics
    Article 01 June 2024
  19. Turbulence in Sources of Decimetric Flare Continua

    Decimetric continua are commonly observed during long-lasting solar flares. Their frequency boundaries vary with time. We studied frequency boundary...

    Marian Karlický in Solar Physics
    Article Open access 03 August 2023
  20. Oceanic turbulent effect on the received intensity of a generalized Hermite cosh-Gaussian beam

    The evolution properties of a Generalized Hermite cosh-Gaussian beam (GHCGB) through a turbulent oceanic medium are investigated based on the...

    Faroq Saad, Halima Benzehoua, Abdelmajid Belafhal in Optical and Quantum Electronics
    Article 23 November 2023
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