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
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
Optical depth (section Attenuation coefficient)
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
Absorbance (section Attenuation coefficient)
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
Propagation constant (redirect from Attenuation constant)
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
the absorption and attenuation coefficients, respectively "Extinction" in astronomy, which is equivalent to the attenuation coefficient Other measures of...
9 KB (806 words) - 11:47, 20 April 2025
Transmittance (section Other radiometric coefficients)
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
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...
1 KB (199 words) - 07:20, 9 April 2025
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
Scattering (section Attenuation due to 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
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
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
"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
Reflectance (section Other radiometric coefficients)
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
Water clarity (section Light attenuation)
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
\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...
21 KB (2,521 words) - 23:52, 23 May 2025
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
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