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(Redirected from Radiometric)
In optics, 'radiometry' is the field that studies the measurement of electromagnetic radiation, including visible light. Note that light is also measured using the techniques of photometry, which deal with brightness as perceived by the human eye, rather than absolute power.
Radiometry is important in astronomy, especially radio astronomy, and is important for Earth remote sensing. The measurement techniques categorized as ''radiometry'' in optics are called ''photometry'' in some astronomical applications, contrary to the optics usage of the term.

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External links

See also

★ Reflectivity

External links

★ Radiometry and photometry FAQ Professor Jim Palmer's Radiometry FAQ page (University of Arizona).