• 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;...
    46 KB (6,838 words) - 15:13, 26 March 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 (4,945 words) - 20:35, 22 March 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...
    29 KB (4,596 words) - 01:34, 20 April 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 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
  • 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
  • evolution of Gaussian beams propagating through optical components described by the same transmission matrices. If we have a Gaussian beam of wavelength...
    25 KB (3,590 words) - 16:29, 26 January 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) - 23:22, 19 February 2024
  • 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
  • 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 (769 words) - 13:51, 13 April 2024
  • 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 (2,456 words) - 18:40, 12 January 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 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 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
  • 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...
    51 KB (6,835 words) - 16:43, 5 April 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 (2,326 words) - 01:59, 7 January 2024
  • Thumbnail for Laser beam quality
    fundamental-mode Gaussian beam. It also determines the smallest spot size for the beam, as well as the beam divergence. M2 can also give an indication of beam distortions...
    6 KB (882 words) - 01:56, 19 August 2023
  • 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 (967 words) - 04:03, 12 May 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 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) - 02:35, 19 February 2024
  • assuming a Gaussian distribution instead. Radiant energy is also not uniformly distributed within the beam. Some devices produce Gaussian energy distributions...
    19 KB (2,765 words) - 22:13, 15 March 2024
  • 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 (9,479 words) - 22:50, 24 April 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 (523 words) - 05:52, 18 March 2023
  • 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
  • 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 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) - 13:51, 22 April 2023
  • charge" of the optical vortex. Light beams that are in a helical mode carry nonzero OAM. As an example, any Laguerre-Gaussian mode with rotational mode number...
    32 KB (3,818 words) - 23:42, 27 April 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...
    49 KB (6,330 words) - 04:40, 6 May 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...
    16 KB (2,252 words) - 00:21, 27 April 2024
  • core of an optical fiber extending slightly into the cladding. Beam diameter Gaussian beam [1] Types of Optical Fiber Mode Radius on the Encyclopedia of...
    2 KB (251 words) - 14:53, 8 April 2021