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Imaging of Tokamak Electron Temperature Fluctuations Associated With Magnetic Field Line Reconnection- Commonality wit

Development of Passive and Active Millimeter Wave “Cameras”. Imaging of Tokamak Electron Temperature Fluctuations Associated With Magnetic Field Line Reconnection- Commonality with Solar Flares and Astrophysical Plasmas 2006- Three Physical Review Letters with two of

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Imaging of Tokamak Electron Temperature Fluctuations Associated With Magnetic Field Line Reconnection- Commonality wit

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  1. Development of Passive and Active Millimeter Wave “Cameras” • Imaging of Tokamak Electron Temperature • Fluctuations Associated With Magnetic Field Line • Reconnection- Commonality with Solar Flares and • Astrophysical Plasmas • 2006- Three Physical Review Letters with two of • them published as “back-to-back” articles in the • same issue, a Physics of Plasmas article , as well • as numerous Invited and Plenary talks.

  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Dielectric perturber PET (a) (b) 500 μm 500 μm Beam Shaping Implementation

  3. MEMS Varactor Delay Line Arrays for Millimeter-Wave Beam Steering/Shaping s sLline sCline s Fabrication Process Objectives: Key Innovations: 1. RF-MEMS extended tuning range varactor design, compatible with MEMS Exchange process modules • Develop RF-MEMS extended tuning range varactors • Fabricate RF-MEMS varactor loaded delay lines for mm-wave phased antenna arrays (PAAs) 2. Shunt varactor layout compatible with use in coplanar waveguide (CPW) transmission lines CVaractor RF-MEMS Extended Tuning Range Varactor Layout • Expected Impact: • Incorporate extended tuning range RF-MEMS varactors into list of “standard” devices that can be fabricated using the MEMS Exchange • Open up field of low cost mm-wave PAAs Microscope picture: Before Electro-Plating

  4. Millimeter Wave and THz Vacuum Electron Devices

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