• Thumbnail for Transmittance
    In optical physics, transmittance of the surface of a material is its effectiveness in transmitting radiant energy. It is the fraction of incident electromagnetic...
    8 KB (1,129 words) - 19:02, 22 March 2024
  • Thermal transmittance is the rate of transfer of heat through matter. The thermal transmittance of a material (such as insulation or concrete) or an assembly...
    11 KB (1,302 words) - 06:19, 3 May 2024
  • _{10}T)+1\,.\end{aligned}}} For example, if the filter has 0.1% transmittance (0.001 transmittance, which is 3 absorbance units), its shade number would be 8...
    21 KB (2,915 words) - 23:49, 20 December 2023
  • Thumbnail for Transmissometer
    [citation needed] Transmissometers are also referred to as telephotometers, transmittance meters, or hazemeters. Transmissometers are also used by oceanographers...
    3 KB (373 words) - 03:31, 25 April 2023
  • Thumbnail for Bidirectional scattering distribution function
    (bidirectional reflectance distribution function) and BTDF (bidirectional transmittance distribution function). BSDF is a superset and the generalization of...
    8 KB (964 words) - 10:21, 20 March 2024
  • z}=10^{-\int _{0}^{\ell }\mu _{10}(z)\mathrm {d} z},} where T is the transmittance of the material sample; ℓ is the path length of the beam of light through...
    14 KB (2,023 words) - 00:55, 27 January 2024
  • Thumbnail for Solar gain
    Factor or Total Solar Energy Transmittance) is the coefficient commonly used in Europe to measure the solar energy transmittance of windows. Despite having...
    17 KB (2,304 words) - 13:30, 6 February 2024
  • Thumbnail for Neutral-density filter
    filter can be calculated as Fractional transmittance ≡ I I 0 = 10 − d , {\displaystyle {\text{Fractional transmittance}}\equiv {\frac {I}{I_{0}}}=10^{-d}...
    15 KB (1,687 words) - 04:11, 1 April 2024
  • Thumbnail for F-number
    the square root of the transmittance of that lens: T = N transmittance . {\displaystyle T={\frac {N}{\sqrt {\text{transmittance}}}}.} For example, an f/2...
    43 KB (5,447 words) - 11:47, 12 May 2024
  • Thumbnail for Color blind glasses
    are two types of binocular filters, classified by the shape of their transmittance curves. Tinted lenses (e.g. Pilestone/Colorlite/ColorMax glasses) apply...
    27 KB (3,109 words) - 09:35, 7 April 2024
  • Thumbnail for Chubb illusion
    lighting of objects at a point, the reflectance of those objects and the transmittance of media between the object and observer is central to determining the...
    18 KB (2,328 words) - 06:11, 4 September 2023
  • Thumbnail for X-ray spectroscopy
    X-ray spectroscopy is a general term for several spectroscopic techniques for characterization of materials by using x-ray radiation. When an electron...
    18 KB (2,659 words) - 14:02, 25 February 2024
  • Thumbnail for Fresnel equations
    the fraction that is refracted into the second medium is called the transmittance (or transmissivity, or power transmission coefficient) T. Note that...
    70 KB (8,291 words) - 21:46, 8 May 2024
  • robust and transparent material. An excellent raw material with high transmittance and enhanced mechanical properties. Researchers have successfully tested...
    21 KB (2,458 words) - 23:57, 22 March 2024
  • Thumbnail for Emissivity
    Hemispherical transmittance T — Radiant flux transmitted by a surface, divided by that received by that surface. Spectral hemispherical transmittance Tν Tλ —...
    40 KB (4,202 words) - 11:26, 1 May 2024
  • Thumbnail for Maple syrup
    cent transmittance, dark must have 25.0 to 49.9 per cent transmittance, and very dark is any product having less than 25.0 per cent transmittance. In Canada...
    73 KB (7,902 words) - 23:10, 19 April 2024
  • Thumbnail for Transmission coefficient
    An electromagnetic (or any other) wave experiences partial transmittance and partial reflectance when the medium through which it travels suddenly changes...
    8 KB (1,229 words) - 10:24, 28 March 2024
  • versa. An object's transparency is measured by its total transmittance. Total transmittance is the ratio of transmitted light to the incident light. There...
    3 KB (317 words) - 16:23, 9 February 2023
  • Thumbnail for Reflectance
    reflectance distribution function Colorimetry Emissivity Lambert's cosine law Transmittance Sun path Light Reflectance Value Albedo "Thermal insulation — Heat transfer...
    11 KB (1,266 words) - 18:54, 6 December 2023
  • Thumbnail for Color gel
    transmission coefficient or even the spectral transmittance curve in the swatch book and catalogs. A low transmittance gel will produce relatively little light...
    10 KB (1,328 words) - 13:51, 23 March 2024
  • Thumbnail for Ultraviolet–visible spectroscopy
    interest, besides the wavelength of measurement, are absorbance (A) or transmittance (%T) or reflectance (%R), and its change with time. A UV-vis spectrophotometer...
    34 KB (4,407 words) - 06:53, 27 April 2024
  • Thumbnail for Transparent conducting film
    these applications use electrode materials that have greater than 80% transmittance of incident light as well as electrical conductivities higher than 103...
    37 KB (4,546 words) - 09:22, 11 April 2024
  • Thumbnail for Skylight
    panes of glass. These types of products are NFRC-ratable for visible transmittance. Assemblies with three panes can sometimes be cost-justified in the...
    14 KB (1,402 words) - 19:48, 27 December 2023
  • Thumbnail for Sodium chloride
    de-ice driveways and patches of ice. Sodium chloride crystals have a transmittance of at least 90% (through 1 mm) for infrared light having wavelengths...
    31 KB (3,337 words) - 19:15, 1 May 2024
  • Thumbnail for Reflection coefficient
    A wave experiences partial transmittance and partial reflectance when the medium through which it travels suddenly changes. The reflection coefficient...
    10 KB (1,505 words) - 16:19, 5 May 2024
  • Thumbnail for C band (infrared)
    Transmittance of the atmosphere around the C-band...
    1 KB (129 words) - 00:11, 17 March 2023
  • Thumbnail for Dichromatism
    absorbance at that wavelength. Let G = e−aGt be the green transmittance and R = e−aRt be the red transmittance. The ratio of the two transmitted intensities is...
    6 KB (787 words) - 12:23, 11 April 2023
  • salts, he concluded that "the transmittance of a concentrated solution can be derived from a measurement of the transmittance of a dilute solution". It is...
    32 KB (5,024 words) - 14:31, 25 April 2024
  • Thumbnail for Spectrophotometry
    measurement. A spectrophotometer is commonly used for the measurement of transmittance or reflectance of solutions, transparent or opaque solids, such as polished...
    29 KB (3,649 words) - 20:32, 3 April 2024
  • reflectance, R(λ), is one such measurable quantity. Another, is spectroscopic transmittance, T(λ), applicable when the substrate is transparent. Spectroscopic reflectance...
    30 KB (3,364 words) - 21:40, 31 December 2023