The fraction or percent of a particular frequency or wavelength of electromagnetic radiation that passes through a substance without being absorbed or reflected.
The ratio of the energy per unit time per unit area (radiant power density) transmitted through an object to the energy per unit time per unit area incident on the object. In general, transmittance is a function of the incident angle of the energy, viewing angle of the sensor, spectral wavelength and bandwidth, and the nature of the object. Menu
The ratio of transmitted radiant energy to incident radiant energy, or the fraction of light that passes through a medium.
the fraction of radiant energy that passes through a substance
A measurement of the ability of a material to pass radiation from one side to the other without absorbing or reflecting it. Infrared transmittance for most materials is near zero. Therefore, absorption/emissivity and reflectivity are usually inverse values.
The admission of light into a medium with passage of this light through the medium without reflection back to the source or absorption in the medium.
The ability of the glass to pass light and/or heat, usually expressed in percentages (visible transmittance, thermal transmittance, etc.)
Amount of incident light transmitted by a medium; commonly expressed as percent transmittance.
a fraction of infrared radiation that passes through a sample.
The ratio of radiant power transmitted by the sample to the radiant power incident on the sample.
The amount that is allowed to pass through a medium.
The ratio of the radiant power transmitted by an optical element or object to the incident radiant power. (The percentage of incident light which permeates the glass.) It is effected by material composition, temperature, thickness and light wavelength.
The percentage of radiation that can pass through glazing. Transmittance can be defined for different types of light or energy, e.g., visible light transmittance, UV transmittance, or total solar energy transmittance.
The ratio of total transmitted radiant power to total incident radiant power.
The fraction of the light that passes through an object.
Ratio of light or heat that can pass through the glazing surface.
A measurement of the ability of a material to pass radiation from one side to the other without absorbing or reflecting it. Transmittance is the ratio of transmitted radiant energy to total irradiance.
(t): The ratio of the radiant flux transmitted through a body to that incident upon it.
The ability of the glass to transmit solar energy in the visible light, the ultraviolet, and the infrared ranges, centrally measured in percentages of each.
In optics and spectroscopy, transmittance is the fraction of incident light at a specified wavelength that passes through a sample.
