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In telecommunications and physics, 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.
External links
- Radiometry and photometry FAQ Professor Jim Palmer's Radiometry FAQ page (University of Arizona).
Radiometrie | Radiometria | Энергетическая фотометрическая величина
"Radiometry"