🌐EnglishEnglishEspañolالعربيةفارسی中文EntityQ5170150· pop 5· linked from 23 articlescorecenter part of a conventional optical fiberAvailable in 4 languagesEspañolالعربيةفارسیvia Wikidata sitelinks · CC0ConnectionsTotal internal reflectionEntitysingle-mode optical fiberEntityCategoriesFiber optics