Home›Browse›optical amplifier🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ1359305· pop 25· linked from 342 articlesoptical amplifierSign in to savedevice that amplifies an optical signalWikidata factsShow 1 more facttime of discovery or invention1957-11-13Sources (3)wikidata.orgdocs.openalex.orgen.wikipedia.orgvia Wikidata · CC0Available in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीBulgarianCatalanEsperantoEstonianHebrewMalayalamPolskiSlovenianShow 6 moreTiếng ViệtTürkçeUkrainianzh_yueفارسی한국어via Wikidata sitelinks · CC0