spectral radiant intensity, \(I_{\lambda}\)

https://doi.org/10.1351/goldbook.S05827
The radiation intensity, \(I\) at @W06659@ \(\lambda \) per unit @W06659@ interval. The SI unit is \(\text{W m}^{-1}\ \text{sr}^{-1}\), but a commonly used unit is \(\text{W nm}^{-1}\ \text{sr}^{-1}\).
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2276 [Terms] [Paper]
Citation: 'spectral radiant intensity' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.S05827 RIS BibTex EndNote
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Last revised: February 24, 2014