gyrotron


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gyrotron

[′jī·rə‚trän]
(electronics)
A device that detects motion of a system by measuring the phase distortion that occurs when a vibrating tuning fork is moved.
A type of microwave tube in which microwave amplification or generation results from cyclotron-resonance coupling between microwave fields and an electron beam in vacuum. Also known as cyclotron-resonance maser.
References in periodicals archive ?
Tenders are invited for work package for drafting modelling and documentation of gyrotron components and assemblies
Thumm, "Influence of background plasma on electromagnetic properties of "Cold" gyrotron cavity," IEEE Transactions on Plasma Sciences, vol.
Energy was drawn from the electric grid, converted into microwaves using a gyrotron, guided through a system of beam shaping mirrors, and beamed from an antenna to a thruster.
Meanwhile, the vacuum electronics devices, such as THz klystron (EIK), TWT and gyrotron, are studied to produce huge output power.
Coaxial corrugated resonator is a kind of important microwave device in high-power, high-frequency gyrotron. Since they have many advantages of rarefying mode spectrum [1,2], suppressing mode competition [3,4], reducing microwave ohmic losses [5-7], improving efficient of beam-wave interaction [8, 9] in gyrotrons, they have been applied in controlled fusion experiment [10-13] and suppression of plasma instabilities [14-16].
In 1978 he became Chief of the (Fusion) Reactor Technologies Branch of the Development and Technology Division, where he had responsibilities for gyrotron development, fueling and vacuum technology, neutral beam sources and ion cyclotron resonant frequency (ICRF) sources for the Tokamak Fusion Test Reactor (TFTR), and materials research including needs for neutron interactive data.
Finally, it would be advisable to revise the TWT, klystron and gyrotron approaches in order to implement a green equipment that, if not from the economical point of view, be an environmentally viable technology.
The five projects are: a contract with Framatome ANP for the manufacture of a shield prototype for primary wall modules at the ITER reactor (Euro 1,167,000); a contract with Thales Electron Devices for the manufacture of a 2 GW coaxial cavity gyrotron development prototype as a source electromagnetic waves (Euro 2,550,000); a contract with E-Zanon for additional work to a previous contract for the manufacture of 8 capacitor flanges and 8 antenna strap flanges (Euro 42,500); a contract with ManTurbo for additional work for the manufacture of Dummy Bellows Assembly, additional set of Lip Seals and an Upper Bracket at the JET reactor (Euro 75,700); and a contract with Carbone Lorraine for the further manufacture of Carbon-carbon composite tiles (Euro 17,816).
BLP has investigated several methods of direct conversion, including the gyrotron microwave oscillator, and magnetohydrodamics.
Whaley for distinguished achievements in the design, development, testing and validation of high-power gyrotron oscillators for use in high-power millimeter-wave amplifiers for future RF weapons.
Nuclear fusion, advanced high-resolution radar, and materials processing all could benefit from major advances in gyrotron technology sought by a new two-year, $3 million cooperative R&D agreement (CRADA) between Lawrence Livermore (CA) National Laboratory and Varian Associates, Palo Alto, CA.