Improved system for perpendicular electron-cyclotron emission measurements on TMX-Upgrade [electronic resource]

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Bibliographic Details
Online Access: Online Access
Corporate Author: Lawrence Livermore National Laboratory (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Oak Ridge, Tenn. : distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1986.
Subjects:

MARC

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245 0 0 |a Improved system for perpendicular electron-cyclotron emission measurements on TMX-Upgrade  |h [electronic resource] 
260 |a Oak Ridge, Tenn. :  |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,  |c 1986. 
300 |a Pages: 13 :  |b digital, PDF file. 
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500 |a Published through the Information Bridge: DOE Scientific and Technical Information. 
500 |a 03/07/1986. 
500 |a "ucrl-93883" 
500 |a " conf-860324-8" 
500 |a "DE86008022" 
500 |a 6. topical conference on high temperature plasma diagnostics, Hilton Head Island, SC, USA, 9 Mar 1986. 
500 |a James, R.A.; Ellis, R.F.; Lasnier, C.J. 
500 |a Maryland Univ., College Park (USA) 
520 3 |a Perpendicular electron-cyclotron emission (PECE) is used on TMX-U to diagnose thermal-barrier hot electrons (T/sub H/ approx. 100 to 400 keV); yielding the time history of the temperature of these relativistic electrons. We describe an improved quasi-optical viewing system for these measurements that uses high sensitivity superheterodyne receivers at fixed frequencies of 60, 98, 130, and 196 GHz. The improved viewing and transport system consists of an off-axis ellipsoidal mirror that images the plasma onto a V-band conical collection horn, an overmoded circular waveguide (7/8'' diam) that transports the radiation outside the vacuum vessel where the polarization is selected, and a high absorptivity Macor beam dump to prevent internal wall reflections from entering the viewing system. A relativistic code is used to calculate optically thin PECE signals from relativistic electrons for various energy and pitch angle distributions. 4 refs., 4 figs. 
536 |b W-7405-ENG-48. 
650 7 |a Relativistic Plasma.  |2 local. 
650 7 |a Open Plasma Devices.  |2 local. 
650 7 |a Electron Cyclotron-resonance.  |2 local. 
650 7 |a Magnetic Mirrors.  |2 local. 
650 7 |a Plasma.  |2 local. 
650 7 |a Thermonuclear Devices.  |2 local. 
650 7 |a Emission Spectra.  |2 local. 
650 7 |a Electron Temperature.  |2 local. 
650 7 |a Cyclotron Resonance.  |2 local. 
650 7 |a Tandem Mirrors.  |2 local. 
650 7 |a Spectra.  |2 local. 
650 7 |a Plasma Diagnostics.  |2 local. 
650 7 |a Tmx Devices.  |2 local. 
650 7 |a Resonance.  |2 local. 
650 7 |a Plasma Physics And Fusion Technology.  |2 edbsc. 
710 2 |a Lawrence Livermore National Laboratory.  |4 res. 
710 1 |a United States.  |b Department of Energy.  |b Office of Scientific and Technical Information.  |4 dst. 
856 4 0 |u http://www.osti.gov/servlets/purl/6088252-sOHdKl/  |z Online Access 
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