Home›Browse›Category:Optical materials🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ7446714· pop 44Category:Optical materialsSign in to saveWikimedia categoryWikidata factsInstance ofWikimedia categoryShow 1 more factCommons categoryOptical materialsvia Wikidata · CC0Available in 44 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीAlbanianAzerbaijaniBahasa IndonesiaBanglabe_x_oldBosnianBurmeseCzechShow 25 moreEsperantoGalicianGeorgianGreekIdoIlokoKazakhMacedonianMalayManxMongolianNorwegian NynorskRomanianScotsSerbianSerbian (Latin)SlovakSlovenianTamilTiếng ViệtTürkçeUkrainianUrduفارسی한국어via Wikidata sitelinks · CC0