Search results
The first prototype ammonia maser in front of its inventor Charles H. Townes.The ammonia nozzle is at left in the box, the four brass rods at center are the quadrupole state selector, and the resonant cavity is at right. The 24 GHz microwaves exit through the vertical waveguide Townes is adjusting. At bottom are the vacuum pumps. A hydrogen radio frequency discharge, the first element inside a ...
Maser Group has been at the forefront especially in terms of advisory role for the Group especially when it comes to power, water and also energy project and has been instrumental especially within the Asian region where it has built close ties within the business circle
What is a MASER? MASER stands for Microwave Amplification by Stimulation Emission of Radiation.A LASER is a MASER that works with higher frequency photons in the ultraviolet or visible light spectrum (photons are bundles of electromagnetic energy commonly thought of as "rays of light" which travel in oscillating waves of various wavelengths) .
maser, device that produces and amplifies electromagnetic radiation in the microwave range of the spectrum.The first maser was built by the American physicist Charles H. Townes.Its name is an acronym for “microwave amplification by stimulated emission of radiation.” The wavelength produced by a maser is so constant and reproducible that it can be used to control a clock that will gain or ...
Mar 21, 2018 · In 1954, scientists reported the first maser 1 — a device similar to a laser, but operating at microwave frequencies. Although lasers were not demonstrated until six years later 2, masers have ...
Jan 27, 2005 · In honor of the World Year of Physics, which commemorates Einstein’s “miraculous year” in 1905, we’re presenting papers from the Physical Review archive related to Einstein’s accomplishments.. The ubiquitous laser, appearing today in supermarket checkout machines, CD players, and eye surgeon’s offices, developed out of the maser, which was first described in Physical Review papers ...
Aug 15, 2012 · The maser is the microwave-frequency precursor of the now ubiquitous laser — or 'optical maser', as it was once known. But it has had little technological impact compared with the laser, in ...
maser , Device that produces and amplifies electromagnetic radiation in the microwave range of the spectrum. The first maser was built in 1951 by Charles H. Townes. Its name is an acronym for “microwave amplification by stimulated emission of radiation.”
Aug 15, 2012 · Physicists build first practical maser. Next, the team needed a powerful laser. Oxborrow located an old medical laser on eBay and drove to a warehouse in north London to pick it up.
An acronym for "microwave amplification by stimulated emission of radiation." The first operational maser was constructed by Townes in 1954. This device, when pumped with a weak microwave beam, produced a cascade of transitions in ammonia molecules, reinforcing the beam. This device was the forerunner of the laser, invented by Maiman in 1960.
