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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Chiles Rd Laboratory

 

 

The CO2 and FIR laser development activities have been transferred to the Millimeter Wave Characterization and FIR Laser Development Laboratory at the newly remodeled Chiles Road facility. The Laboratory contains a well-equipped dedicated machine shop where experimental devices are fabricated; this dedicated machine shop contains, among other items, an engine lathe and vertical milling machine (both with digital read-out), TIG welder, spot welders, etc. This laboratory also houses a state-of-the-art computerized 43 ft. long anechoic chamber, donated earlier this year by Cobham. All of the FIR laser development activities for the NSTX poloidal scattering and FIReTIP systems will take place at this facility, as will fabrication and characterization of the new FIReTIP laser table and tower assembly (to take the FIR beams to/from the Bays K and L FIReTIP entrance windows).

 

 

    

 

Fig 1. Interior (left) and exterior (right) of the state-of-the-art 43 ft. computerized microwave anechoic chamber.

 

 

Fig 2. CO2 laser system together with FIR lasers assembly. Three optically pumped far infrared (FIR) lasers are for the tangential interferometer-polarimeter system for NSTX.

 

 

 

 

 

 

Fig 3. High Power Amplifier Evaluator Test Equipment Cabinet and computer console.. The millimeter-wave component boards which provide and monitor the TWT input and output signals can be seen in the middle of the picture in the background. The ETM 5042PQU TWT Power Supply / Modulator control panel can be seen in the background to the left.

 

 

 

 

 
 
 
 
              
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