• The linear attenuation coefficient, attenuation coefficient, or narrow-beam attenuation coefficient characterizes how easily a volume of material can be...
    16 KB (2,214 words) - 21:56, 26 November 2024
  • absorption coefficient or molar attenuation coefficient (ε) is a measurement of how strongly a chemical species absorbs, and thereby attenuates, light at...
    6 KB (758 words) - 15:51, 19 January 2025
  • Thumbnail for Mass attenuation coefficient
    The mass attenuation coefficient, or mass narrow beam attenuation coefficient of a material is the attenuation coefficient normalized by the density of...
    8 KB (908 words) - 22:23, 15 April 2025
  • attenuation is usually measured in units of decibels per unit length of medium (dB/cm, dB/km, etc.) and is represented by the attenuation coefficient...
    21 KB (2,642 words) - 00:37, 29 May 2025
  • tissue, the attenuation coefficient (mainly the scattering coefficient) is modified due to changes in refractive index mismatches Attenuation of light in...
    14 KB (1,790 words) - 17:00, 19 February 2025
  • Thumbnail for Optical depth
    is the attenuation coefficient or Napierian attenuation coefficient of that material at z, and if α(z) is uniform along the path, the attenuation is said...
    11 KB (1,594 words) - 10:20, 21 February 2025
  • Beer–Lambert law states that the total attenuation can be obtained by integrating the attenuation coefficient over small slices dz of the beamline: A...
    28 KB (3,977 words) - 04:08, 26 May 2025
  • decadic attenuation coefficient of that material at z. If a(z) is uniform along the path, the attenuation is said to be a linear attenuation, and the...
    21 KB (2,919 words) - 18:00, 10 February 2025
  • telecommunications, the term attenuation constant, also called attenuation parameter or attenuation coefficient, is the attenuation of an electromagnetic wave...
    16 KB (2,360 words) - 19:18, 20 June 2025
  • attenuation coefficient, also called mass extinction coefficient, is the attenuation coefficient divided by density; see mass attenuation coefficient...
    18 KB (2,745 words) - 16:24, 20 April 2024
  • In acoustics, Stokes's law of sound attenuation is a formula for the attenuation of sound in a Newtonian fluid, such as water or air, due to the fluid's...
    6 KB (821 words) - 01:03, 19 March 2024
  • Thumbnail for Absorption (electromagnetic radiation)
    the absorption and attenuation coefficients, respectively "Extinction" in astronomy, which is equivalent to the attenuation coefficient Other measures of...
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  • Thumbnail for Transmittance
    the beam of light through the material sample. Attenuation cross section and molar attenuation coefficient are related by ε i = N A ln ⁡ 10 σ i , {\displaystyle...
    8 KB (1,056 words) - 14:33, 7 April 2025
  • the usual g/mol or kg/kmol. Molar attenuation coefficient is a measurement of how strongly a chemical species attenuates light at a given wavelength. It...
    251 KB (31,179 words) - 15:17, 3 July 2025
  • Extinction coefficient refers to several different measures of the absorption of light in a medium: Attenuation coefficient, sometimes called "extinction...
    798 bytes (116 words) - 14:40, 3 March 2025
  • effect can be quantified through the Stokes's law of sound attenuation. Sound attenuation may also be a result of heat conductivity in the media as has...
    14 KB (1,627 words) - 01:30, 16 September 2024
  • Thumbnail for Mean free path
    linear attenuation coefficient, μ/ρ is the mass attenuation coefficient and ρ is the density of the material. The mass attenuation coefficient can be...
    18 KB (2,432 words) - 09:02, 8 May 2025
  • attenuation of seismic energy in the Earth Attenuation (or verb attenuate) may also refer to: Attenuation (botany) Attenuation (brewing), the percent of sugar converted...
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  • Thumbnail for Electromagnetic absorption by water
    minimum at 418 nm, at which wavelength the attenuation coefficient is about 0.0044 m−1, which is an attenuation length of about 227 meters. These values...
    28 KB (3,079 words) - 03:17, 25 May 2025
  • unit (HU) scale is a linear transformation of the original linear attenuation coefficient measurement into one in which the radiodensity of distilled water...
    20 KB (1,632 words) - 06:21, 23 May 2025
  • Thumbnail for Scattering
    many different concepts, including scattering cross section (σ), attenuation coefficients, the bidirectional scattering distribution function (BSDF), S-matrices...
    30 KB (3,725 words) - 05:56, 25 April 2025
  • Thumbnail for Longitudinal wave
    Thompson in a Wave Motion publication. In viscoelastic materials, the attenuation coefficients per length   α ℓ   {\displaystyle \ \alpha _{\ell }\ } for longitudinal...
    17 KB (1,915 words) - 01:06, 20 June 2025
  • Thumbnail for Ocean optics
    us. Attenuation in water, also called beam attenuation or the beam attenuation coefficient, is the sum of all absorption and scattering. Attenuation of...
    30 KB (2,690 words) - 04:25, 27 May 2025
  • Thumbnail for Opacity
    "opacity" is another term for the mass attenuation coefficient (or, depending on context, mass absorption coefficient, the difference is described here) κ...
    8 KB (1,140 words) - 09:02, 14 May 2025
  • Thumbnail for Reflectance
    Fresnel reflection coefficient, which is the ratio of the reflected to incident electric field; as such the reflection coefficient can be expressed as...
    11 KB (1,271 words) - 17:54, 31 December 2024
  • Flow velocity Luminosity (scattering theory) Linear attenuation coefficient Mass attenuation coefficient Neutron cross section Nuclear cross section Gamma...
    36 KB (5,765 words) - 12:42, 17 June 2025
  • Thumbnail for Water clarity
    the beam attenuation. Beam attenuation is essentially the opposite of light transmission. Clearer water with a low beam attenuation coefficient will have...
    34 KB (3,708 words) - 12:47, 23 May 2025
  • Thumbnail for Electromagnetic shielding
    \infty } this coefficient goes to 0 (perfect shielding). When μ r ≫ 1 {\displaystyle \mu _{\text{r}}\gg 1} , then the attenuation coefficient takes on the...
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  • μ {\displaystyle \mu } is the linear attenuation coefficient, which is the sum of the attenuation coefficients of the various contributions: μ = μ p...
    16 KB (2,233 words) - 12:17, 23 May 2025
  • Thumbnail for Copper slag
    increase in the linear attenuation coefficient of mixes. On the other hand, the effect of CS on the linear attenuation coefficient was more pronounced as...
    12 KB (1,741 words) - 08:29, 29 May 2025