transmittance
Noun
Meaning
Transmission.
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Examples
A basic IR spectrum is essentially a graph of infrared light absorbance (or transmittance ) on the vertical axis vs. frequency or wavelength on the horizontal axis.
Alternatively, the entire wavelength range is measured using a Fourier transform instrument and then a transmittance or absorbance spectrum is generated using a dedicated procedure.
Another derivation of the formula, based on a physical reflectance transmittance model, can be found in a 1981 paper by Bruce A. Wallace. citation A third approach is found by starting out with two very simple assumptions.
Microwave frequency bands Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation.
Microwaves main Plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation.
If a plane wave, confined to the xz plane, is incident on a dielectric with an angle and wavevector then a transmitted ray will be created with a corresponding angle of transmittance as shown in the figure above.