Davis Millimeter-Wave Research Center

Microwave/Millimeter Wave Technology

Plasma Diagnostics

 

 

RESEARCH  ACTIVITIES

Plasma diagnostics

 

µ-wave vacuum electronics

 

µ-wave solid state technology

 

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Director:
Prof. N.C. Luhmann, Jr.

 

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Fusion is the process that powers the sun and the stars. Controlled thermonuclear fusion on earth requires temperatures of 100 million degrees or more, sufficient to ionize electrons from their nucleus and to form an ionized gas or plasma.

Magnetic confinement fusion uses magnetic fields to hold a plasma in place while it is heated to ignition temperature by external sources. An artists' drawing of a tokamak, the leading candidate for a magnetic confinement fusion device, is shown to the right (illustration courtesy of HowStuffWorks).

The thrust of the UC Davis Plasma Diagnostic Group (PDG) is the development of advanced millimeter-wave plasma diagnostic instruments and techniques on relevant magnetic fusion devices, and obtaining important physics results with these diagnostics. A further important mission is the training of the next generation of plasma physicists and engineers. In this regard, UCD is extremely fortunate to have available perhaps the most extensive microwave, millimeter-wave, and submillimeter-wave equipment collection available anywhere, and has been designated a Center of Excellence in high power microwave/millimeter-wave sources. Further capabilities are provided by extensive collaborations with fusion researchers and millimeter-wave technology researchers worldwide. 

 

 

Information on current PDG research areas may be found using the links below

Electron Cyclotron Emission (ECE) Imaging

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on DIII-D

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on KSTAR

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on EAST

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on ASDEX Upgrade

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on HL-2A

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on TEXTOR (Reference only)
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on RTP (Reference Only)
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ECE Imaging on TEXT-U (Reference Only)

 

Microwave Imaging Reflectometry (MIR)

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *MIR on DIII-D

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *MIR on EAST

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *MIR on TEXTOR
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *MIR on KSTAR
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *MIR on NSTX


Interferometry and Polarimetry

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *Interferometry/Polarimetry on NSTX
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *Interferometry/Polarimetry on TEXT-U (Reference Only)


Millimeter-Wave Collective Scattering

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *High-k Scattering on NSTX

 

Non-Imaged Microwave Reflectometry

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *Ultrashort Pulse Reflectometry (Reference only)
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *Reflectometry Theory and Simulations (Reference only)


Relevant Fusion Devices

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *DIII-D

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *NSTX
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *TEXTOR
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *LHD
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *KSTAR
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ITER
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *HT-7

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *EAST

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *HL-2A
Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *JT-60

Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: Description: *ASDEX Upgrade


PDG Publications

 

    
 
 
 
 
 
 
 
 
 
 
 
 
              
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