🌐EnglishEnglishFrançaisSvenska中文日本語EntityQ3077619· pop 5· linked from 2 articlesHagen-Rubens relationAlso known as Hagen–Rubens relationFormula in opticsAvailable in 5 languagesFrançais日本語CatalanSvenskavia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntityInternational System of UnitsEntityCategoriesElectric and magnetic fields in matterInfrared spectroscopyScattering, absorption and radiative transfer (optics)