KnowraMaserLinked fromLinked fromThe 11 pages that link to Maser, each with the reason it gives.All 11Broader topic 4Related 3Narrower topic 3Compared with 1Hydrogen maserNarrower topic: The hydrogen maser is an atomic-beam maser using hydrogen atoms.Arthur Leonard SchawlowNarrower topic: Schawlow and Townes drew on maser principles when proposing an optical counterpart.MegamaserNarrower topic: Megamasers are the exceptionally luminous extragalactic members of this broader class.