NDLI: A split magnet system for quasi-optical gyrotron

Content Provider	IEEE Xplore Digital Library
Author	Parizh, M. Bascunan, J. Ciancetta, G. Mischler, W. Winn, P.
Copyright Year	2002
Abstract	A split superconducting magnet system has been built for use in a 175 GHz quasi-optical gyrotron for generation of high frequency power. The quasi-optical gyrotron, an alternative to the more conventional microwave cavity gyrotron, may have advantages or even be necessary to achieve the performance objectives for future plasma heating applications. The design resolved such important problems as ohmic heating of the cross bore shields, mirror separation, and the magnetic mirror effect. The superconducting magnet consists of four NbTi coils. The cross bore inner diameter is 56 mm. The cavity wall inclination is 10/spl deg/ to the horizontal axis. The main bore diameter is 143 mm. During the first test, the magnet produced a 6.2 T field in the cavity with uniformity better than 1%. The split design accommodates the resonator without interference with the resonator mode and unacceptable ohmic heating. Three current leads allow different currents to be introduced in the winding halves thus tilting the central magnetic field. The magnet has retractable current leads. The vacuum space of the cryostat is good to at least /spl sim/10/sup -8/ Torr and is free of oils and other hydrocarbons.<>
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	317
Ending Page	320
Page Count	4
File Size	413163
File Format	PDF
ISSN	10518223
Volume Number	5
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gyrotrons Superconducting magnets Magnetic separation Heating Boring Mirrors Magnetic shielding High power microwave generation Power generation Frequency
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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