🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeالعربيةفارسی中文日本語EntityQ1455602· pop 16· linked from 59 articlesfrequency comblaser source emitting in equally spaced frequency linesAvailable in 15 languagesEspañolFrançaisDeutsch日本語PortuguêsItalianoالعربيةCatalanNederlandsNorwegianPolskiConnectionslaserEntityatomic clockEntityCategoriesLaser scienceNonlinear opticsSpectroscopySpectrum (physical sciences)