Radiance

{
  "id": "MLC-T-CHM-009808",
  "term": "Radiance",
  "field": "Chemistry",
  "definition": "The radiant power originating from, passing through, or received by a surface, measured per unit of solid angle and per unit of projected area. It quantifies the intensity of radiation traveling in a specific direction. Radiance is expressed in units of watts per steradian per square meter (W⋅sr⁻¹⋅m⁻²).",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "angle",
    "radiant power",
    "spectral radiance",
    "wavelength"
  ],
  "references": [
    "PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 408 (https://doi.org/10.1351/pac200779030293)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/radiance/"
}