• Thumbnail for Gaussian beam
    optics, a Gaussian beam is an idealized beam of electromagnetic radiation whose amplitude envelope in the transverse plane is given by a Gaussian function;...
    47 KB (6,956 words) - 12:32, 18 September 2024
  • In mathematics, a Gaussian function, often simply referred to as a Gaussian, is a function of the base form f ( x ) = exp ⁡ ( − x 2 ) {\displaystyle f(x)=\exp(-x^{2})}...
    30 KB (4,946 words) - 12:09, 25 September 2024
  • Thumbnail for Airy disk
    Gaussian beam diameter which maximizes the intensity in the far field. This occurs when the 1 / e 2 {\displaystyle 1/e^{2}} diameter of the Gaussian is...
    30 KB (4,608 words) - 14:10, 20 September 2024
  • from an ideal Gaussian beam. It is calculated from the ratio of the beam parameter product (BPP) of the beam to that of a Gaussian beam with the same...
    6 KB (908 words) - 21:24, 11 October 2023
  • inherent width of the beam. For multimodal distributions, the D4σ width is a better choice. For an ideal single-mode Gaussian beam, the D4σ, D86 and 1/e2...
    15 KB (2,458 words) - 08:15, 28 May 2024
  • Thumbnail for Rayleigh length
    Rayleigh length is particularly important when beams are modeled as Gaussian beams. For a Gaussian beam propagating in free space along the z ^ {\displaystyle...
    4 KB (492 words) - 16:00, 7 February 2024
  • function Blaster beam, a musical instrument Gaussian beam, a beam of electromagnetic radiation whose amplitude is given by a Gaussian function Beme (disambiguation)...
    3 KB (448 words) - 00:38, 12 October 2023
  • Thumbnail for Beam divergence
    same minimum beam diameter. The divergence of good-quality laser beams is modeled using the mathematics of Gaussian beams. Gaussian laser beams are said to...
    4 KB (604 words) - 01:26, 24 October 2023
  • Thumbnail for Laser beam quality
    modes within a Gaussian-like beam. In early 1970, Larry Marshall noted, 'Despite variations of intensity cross sections from gaussian shape, it is still...
    7 KB (965 words) - 05:36, 19 August 2024
  • symmetry, the transverse mode patterns are described by a combination of a Gaussian beam profile with a Laguerre polynomial. The modes are denoted TEMpl where...
    12 KB (1,717 words) - 23:39, 12 October 2024
  • Thumbnail for Optical cavity
    light. The basic, or fundamental transverse mode of a resonator is a Gaussian beam. The most common types of optical cavities consist of two facing plane...
    18 KB (2,331 words) - 23:01, 12 October 2024
  • Thumbnail for Second-harmonic generation
    exciting Gaussian beam also has a (homogeneous) 2D Gaussian profile if the nonlinear medium being excited is homogeneous (A). However, if the exciting beam is...
    52 KB (6,841 words) - 01:18, 9 July 2024
  • complex beam parameter is a complex number that specifies the properties of a Gaussian beam at a particular point z along the axis of the beam. It is usually...
    5 KB (881 words) - 13:51, 13 April 2024
  • assuming a Gaussian distribution instead. Radiant energy is also not uniformly distributed within the beam. Some devices produce Gaussian energy distributions...
    19 KB (2,762 words) - 01:42, 21 October 2024
  • narrowest point (the beam waist). The BPP quantifies the quality of a laser beam, and how well it can be focused to a small spot. A Gaussian beam has the lowest...
    6 KB (906 words) - 13:51, 10 January 2024
  • Thumbnail for Bessel beam
    Approximations to Bessel beams are made in practice either by focusing a Gaussian beam with an axicon lens to generate a Bessel–Gauss beam, by using axisymmetric...
    18 KB (2,110 words) - 04:33, 19 February 2024
  • evolution of Gaussian beams propagating through optical components described by the same transmission matrices. If we have a Gaussian beam of wavelength...
    28 KB (3,644 words) - 06:48, 19 September 2024
  • Thumbnail for Laser beam profiler
    of the beam with distance. Beam profile: A beam profile is the 2D intensity plot of a beam at a given location along the beam path. A Gaussian or flat-top...
    38 KB (5,733 words) - 04:47, 5 December 2023
  • Thumbnail for Optical vortex
    hypergeometric-Gaussian beam have an orbital angular momentum of mħ. The integer m also gives the strength of the vortex at the beam's centre. Spin angular...
    24 KB (2,791 words) - 10:23, 2 August 2024
  • computers is too small to solve the problem. Another criterion called Gaussian pilot beam allowing to define far and near field conditions, consists to measure...
    8 KB (970 words) - 06:04, 9 June 2024
  • Thumbnail for Beam homogenizer
    produce a Gaussian beam energy distribution. A beam homogenizer will create an evenly distributed energy of the beam instead of the Gaussian shape. Unlike...
    2 KB (205 words) - 14:55, 10 April 2024
  • all depths. Thus this form of the broad-beam response is more computationally advantageous. For a Gaussian beam, the intensity profile is given by S (...
    9 KB (1,674 words) - 17:51, 22 December 2023
  • Thumbnail for Optical tweezers
    Gaussian beams. However a number of other beam types have been used to trap particles, including high order laser beams i.e. Hermite-Gaussian beams (TEMxy)...
    72 KB (9,540 words) - 14:30, 31 October 2024
  • Thumbnail for Axicon
    allows a wide variety of beam patterns to be generated. It can be used to turn a Gaussian beam into a non-diffractive Bessel-like beam. Axicons were first...
    8 KB (948 words) - 03:50, 12 July 2024
  • formed by refractive or diffractive optical elements from a Gaussian beam. Tophat beams are often used in industry, for example for laser drilling of...
    2 KB (211 words) - 17:18, 5 March 2024
  • Thumbnail for Diffraction
    resulting beam has a larger diameter, and hence a lower divergence. Divergence of a laser beam may be reduced below the diffraction of a Gaussian beam or even...
    50 KB (6,400 words) - 03:18, 9 September 2024
  • Thumbnail for Numerical aperture
    of the beam. It is very common for the beam to have a Gaussian profile. Laser physicists typically choose to make θ the divergence of the beam: the far-field...
    17 KB (2,287 words) - 19:22, 25 August 2024
  • Thumbnail for Vergence (optics)
    the beam to a larger diameter. However, this measure of the curvature of wavefronts is only fully valid in geometrical optics, not in Gaussian beam optics...
    8 KB (1,174 words) - 06:50, 28 March 2022
  • monochromatic propagating electromagnetic wave, such as a plane wave or a Gaussian beam, if E is the complex amplitude of the electric field, then the time-averaged...
    7 KB (961 words) - 07:31, 8 October 2024
  • Thumbnail for Laser science
    is also concerned with the physics of laser beam propagation, particularly the physics of Gaussian beams, with laser applications, and with associated...
    5 KB (549 words) - 08:10, 3 October 2024