Hydrogen maser information

A hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve...

beam masers Ammonia maser Free electron maser Hydrogen maser Gas masers Rubidium maser Liquid-dye and chemical laser Solid state masers Ruby maser Whispering-gallery...

intelligence. This line is the theoretical basis of the hydrogen maser. An atom of neutral hydrogen consists of an electron bound to a proton. The lowest...

1013. Hydrogen masers, which rely on the 1.4 GHz hyperfine transition in atomic hydrogen, are also used in time metrology laboratories. Masers outperform...

National Aeronautics and Space Administration. The experiment sent a hydrogen maser—a highly accurate frequency standard—into space to measure with high...

"Atomic Hydrogen Welding". Specialty Welds. 2007. Archived from the original on 16 July 2011. Hardy, W. N. (2003). "From H2 to cryogenic H masers to HiTc...

An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic...

Observatory Washington, D.C.  United States 18 cesium atomic clocks and 4 hydrogen maser clocks Cs, H National Institute of Information and Communications Technology...

(PHARAO) developed by CNES, France for long-term stability and an active hydrogen maser (SHM) developed by Spectratime, Switzerland for short-term stability...

environments than any other type of maser. In the Milky Way, •HO masers are found in stellar masers (evolved stars), interstellar masers (regions of massive star...

Department of Defense. The rack mounted units in the background are caesium beam clocks. The black units in the foreground are hydrogen maser standards....

corresponding to a coherence time of a few hundred microseconds. Hydrogen masers have linewidth around 1 Hz, corresponding to a coherence time of about...

than 0.9 seconds. NMC maintains five caesium atomic clocks and one hydrogen maser atomic clock. The IANA time zone database contains one zone for Singapore...

synthesizer (referenced to the crystal) through the transition frequency. Hydrogen maser Riley, William J. Jr (December 2019). "A History of the Rubidium Frequency...

frequency standard, such as a rubidium standard, caesium standard, or hydrogen maser. Another cheaper alternative is to discipline a crystal oscillator with...

accurate gravitational redshift experiment was performed in 1976, where a hydrogen maser clock on a rocket was launched to a height of 10,000 km, and its rate...

experiment, which deals with this issue, was performed in 1976, where a hydrogen maser clock on a rocket was launched to a height of 10,000 km, and its rate...

fountains) and hydrogen masers. Caesium standards are widely recognized as having better long-term stability, whereas hydrogen masers can attain superior...

On 29 September 2015, the 20th satellite was launched, carrying a hydrogen maser for the first time within the system. In 2016, the 21st, 22nd and 23rd...

invention of the separated oscillatory fields method and its use in the hydrogen maser and other atomic clocks" Los Alamos Laboratory 1995 Frederick Reines...

Probe A, also called the Redshift Experiment, used an extremely precise hydrogen maser clock to confirm part of Einstein's general theory of relativity. The...

clock. These results are reported to BIPM. Additionally, a reference hydrogen maser is also reported to BIPM as a frequency standard for TAI (international...

clocks: two rubidium standards and the first space-qualified passive hydrogen maser. The launch was delayed due to various technical problems, and took...

astrophysical maser, which is a naturally occurring source of stimulated spectral line emission. Megamasers are distinguished from other astrophysical masers by...