en

Ie

1 symbol

Terminological databases

Metroloogia terminibaas

ID 1187831 Last modified 28.09.2026
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Domain Standardisation - Metrologyunits of measurement
kiirguse intensiivsus
kiirgustugevus
radiant intensity
radiation intensity
intensity of radiation
  • radiant power emitted, reflected, transmitted, or received per unit solid angle in a specific direction
kiirguse intensiivsus
Usage examples
  • Kiirguse intensiivsus ehk kiirgustugevus, tähis Ie, on suurus, mille abil on võimalik mõõta, kui suur osa suunatud optilisest võimsusest (kiirgusvoost) on koondunud kindla nurga alla, selle asemel et ühtlaselt hajuda. Selle SI-ühik on vatt steradiaani kohta (W/sr).
kiirgustugevus
Ie symbol
radiant intensity
Usage examples
  • Radiant intensity (symbol Ie) measures how much directional optical power (radiant flux) is concentrated into a particular angle rather than spreading uniformly. SI unit is watt per steradian (W/sr).
radiation intensity
intensity of radiation
Ie symbol

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