NDLI: High power gyrotrons and their appplications

Content Provider	IEEE Xplore Digital Library
Author	Temkin, R.J.
Copyright Year	2013
Description	Author affiliation: Dept. of Phys., Massachusetts Inst. of Technol., Cambridge, MA, USA (Temkin, R.J.)
Abstract	The gyrotron is the most powerful source of coherent radiation in the millimeter wave and terahertz region of the electromagnetic spectrum. Early research on the gyrotron was aimed at producing high average power gyrotron oscillators for use in plasma heating. Today, gyrotron oscillators produce over 1 MW of average power in continuous (CW) operation at frequencies up to 170 GHz. Such gyrotrons are a crucial part of the program to heat plasmas to temperatures suitable for nuclear fusion reactors. In recent years, operation of the gyrotron oscillator has been extended to the THz range, at moderate average power levels (tens to hundreds of watts) or, in pulsed mode, at tens to hundreds of kilowatts. Gyrotron amplifiers have also made significant advances, with extension of operating frequencies to 250 GHz and peak power levels to above 50 kW in W-Band (95 GHz). These recent advances in gyrotron oscillator and amplifier research and development have opened up a wide range of exciting new applications. Examples of important applications of gyrotrons include: high power radars for weather and defense; enhanced NMR spectroscopy of biomolecules; materials heating and processing; nuclear material detection; cancer detection and cancer therapy; terahertz imaging; gas and air breakdown by intense millimeter wave beams; rocket propulsion; wireless power beaming; and food processing and purification. The state-of-the-art of gyrotron research will be reviewed together with examples of present-day and proposed future novel applications.
Starting Page	1
Ending Page	1
File Size	128748
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6633320
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gyrotrons Oscillators Plasmas Heating Millimeter wave technology Radar imaging Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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Material processing system based on a gyrotron powered millimeter-wave beam

Gyrotron-powered millimeter-wave beam facility for microwave processing of materials

Joining of ceramic tubes using a high-power 83-GHz millimeter-wave beam

High frequency, wide-bandwidth millimeter-wave power module

Prospects for high-power quasi-optical gyrotrons operating in the millimeter-wave range

Interest in high Power microwave Research

Modeling the millimeter-wave beam joining of ceramic tubes

Shock wave in dense gas generated by high power millimeter wave

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High power gyrotrons and their appplications

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