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Showing 21-40 of 5,918 results
  1. Paraxial propagation of Hermite cosine-hyperbolic-Gaussian beams in a chiral medium

    The propagation properties of the Hermite-cosine-hyperbolic-Gaussian beam (HChGB) in a chiral medium are investigated. The analytical formula for a...

    M. Yaalou, Z. Hricha, A. Belafhal in Optical and Quantum Electronics
    Article 10 November 2023
  2. Partially coherent vortex cosh-Gaussian beam and its paraxial propagation

    In this work, the propagation properties of a partially coherent vortex cosh-Gaussian beam (PCvChGB) have been investigated. Within the framework of...

    M. Lazrek, Z. Hricha, A. Belafhal in Optical and Quantum Electronics
    Article 08 November 2021
  3. Electron acceleration by a cosh-Gaussian laser beam driven electron plasma wave: extended paraxial theory

    Excitation of electron plasma wave by an intense short laser pulse is relevant to electron acceleration process in laser plasma interactions. This...

    Gunjan Purohit, Bineet Gaur, ... Pradeep Kothiyal in Optical and Quantum Electronics
    Article 24 September 2021
  4. On some novel bright, dark and optical solitons to the cubic-quintic nonlinear non-paraxial pulse propagation model

    In this article, the modified Khater method is utilized to extract new analytical solutions to the cubic-quintic nonlinear non-paraxial pulse...

    Kalim U. Tariq, Mostafa M. A. Khater, Mustafa Inc in Optical and Quantum Electronics
    Article 19 November 2021
  5. Testing the Paraxial Model of Sheet Electron Beams

    Abstract

    The paraxial model of a dense electron beam has been studied using analytical solutions that describe curvilinear sheet beams in a uniform...

    T. M. Sapronova, V. A. Syrovoi in Journal of Communications Technology and Electronics
    Article 01 December 2020
  6. X-ray Fokker–Planck equation for paraxial imaging

    The Fokker–Planck equation can be used in a partially-coherent imaging context to model the evolution of the intensity of a paraxial x-ray wave field...

    David M. Paganin, Kaye S. Morgan in Scientific Reports
    Article Open access 26 November 2019
  7. Non-paraxial 3d Polarization in 4d Light Fields

    Recently, research has mainly been focused on structured singular light in the paraxial regime, as also presented in previous chapters. Here,...
    Chapter 2021
  8. Wave Equation and Diffraction of Light

    This chapter develops an understanding of the free-space diffraction problem starting with the Maxwell equations. Diffraction between two planes is...
    Kedar Khare, Mansi Butola, Sunaina Rajora in Fourier Optics and Computational Imaging
    Chapter 2023
  9. Elliptic function solutions, modulation instability and optical solitons analysis of the paraxial wave dynamical model with Kerr media

    The optical solitary waves explain non-dispersive and non-diffractive spatiotemporal localized waves envelopes promulgating in the media of optical...

    Muhammad Arshad, Aly R. Seadawy, ... Muhammad Shoaib Saleem in Optical and Quantum Electronics
    Article 28 November 2020
  10. Propagation of the kurtosis parameter of Hollow higher-order Cosh Gaussian beams through paraxial optical ABCD system

    Based on the second-order and fourth-order irradiance moments, the closed-form of the propagation of the kurtosis parameter of non-truncated Hollow...

    Ahmed Abdulrab Ali Ebrahim, Faroq Saad, ... Abdelmajid Belafhal in Optical and Quantum Electronics
    Article 04 March 2022
  11. Parity–time symmetric solitons of the complex KP equation

    Abstract

    We construct the parity–time symmetric solitons of the complex KP equation using the totally nonnegative Grassmannian. We obtain that...

    Article 24 May 2024
  12. Helmholtz–Gauss Beams with Quadratic Radial Dependence

    Abstract

    A new class of localized solutions of paraxial parabolic equation is introduced. Each solution is a product of some Gaussian-type localized...

    A. B. Plachenov, G. N. Dyakova in Optics and Spectroscopy
    Article 01 August 2023
  13. Three propagation regimes of Laguerre–Gaussian laser beams in collisionless plasma

    Nonlinear optical effects in plasmas associated with light beams carrying orbital angular momentum are realizable in the form of Laguerre–Gaussian...

    Sanyogita S. Patil, Kalyani Y. Khandale, ... Sandip D. Patil in Indian Journal of Physics
    Article 06 July 2024
  14. Experimental realisations of the fractional Schrödinger equation in the temporal domain

    The fractional Schrödinger equation (FSE)—a natural extension of the standard Schrödinger equation—is the basis of fractional quantum mechanics. It...

    Shilong Liu, Yingwen Zhang, ... Ebrahim Karimi in Nature Communications
    Article Open access 14 January 2023
  15. Strong self-focusing of an intense cosh-Gaussian laser beam in magnetized plasma under relativistic effect

    This work presents the self-focusing of an intense cosh-Gaussian laser beam in a magnetized plasma under relativistic nonlinearity. The field...

    Gunjan Purohit, Amita Raizada in Journal of Optics
    Article 15 December 2022
  16. Gaussian Optics

    The paraxial or Gaussian approximation in geometric optics simplifies the calculation of the optical properties of the human eye. In this chapter the...
    Jean-Philippe Colliac in Intraocular Lens Calculations
    Chapter Open access 2024
  17. Estimates of certain paraxial diffraction integral operator and its generalized properties

    This paper aims to discuss a generalization of certain paraxial diffraction integral operator in a class of generalized functions. At the start of...

    Shrideh Al-Omari, Serkan Araci, ... Hussam Alrabaiah in Advances in Difference Equations
    Article Open access 05 August 2020
  18. Generation of strong terahertz field by relativistic cosh-Gaussian laser beam in ripple density magnetized plasma

    This paper presents a scheme for the generation of terahertz (THz) field by self-focusing of a cosh-Gaussian laser beam in the magnetized and rippled...

    Gunjan Purohit, Bineet Gaur, ... Amita Raizada in Indian Journal of Physics
    Article 09 March 2023
  19. Thickness measurement of transparent liquid films with Paraxial Self-Reference Interferometry

    In this paper, we introduce a non-invasive optical method, named Paraxial Self-Reference Interferometry (PSRI) for thickness measurement of liquid...

    Ahmad Razzaghi, Jafar Mostafavi Amjad, Maniya Maleki in Scientific Reports
    Article Open access 08 June 2020
  20. Solving the Inverse Problem of Laser with Complex-Valued Field by Physics-Informed Neural Networks

    In the resonator of an actual laser oscillator, the complex-valued laser field is extracted from the gain. The inverse problem of the laser is to...
    Naiwen Chang, Ying Huai, Hui Li in Neural Information Processing
    Conference paper 2024
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