Maser
Máser
- Date
- 1954 · confidence high
- Place
- Columbia University, New York, United States
- Credited to
- Charles Townes, James Gordon and Herbert Zeiger (Columbia); Basov and Prokhorov (Moscow) independently
- People
- 👤 Charles Hard Townes1915–2015👤 Herbert Zeiger1925–2011👤 James P. Gordon1928–2013
- Field
- Communication
What it is
A microwave amplifier based on stimulated emission, using an ammonia beam. It demonstrated the principle that, five years later, gave rise to the laser.
What it led to
- The laser and all of photonics
- The low-noise amplifiers of radio astronomy and satellite communications
- Hydrogen atomic clocks
Built on
- Stimulated emission of radiation1917
- stimulated emission (Einstein, 1917)
- microwave radar