The paper describes the design, calculation and performances of a fam-ily of calorimetric matched loads to be used with high power, millime-ter wave gyrotrons for ECRH applications in plasma physics. All the loads in the family are based on the same identical concept of a copper sphere coated on the inside with a partially absorbing ceramic layer. Different applications are foreseen, from a precise characterization of the e.m. beam power distribution in short pulses (up to 0.1 s), to the ab-sorption and calorimetric measure of beams at 2 MW, CW. The loads differ mainly in the way in which heat is removed, and calorimetry is performed.
A family of calorimetric loads for high power millimetric wavelength beams
Cirant S;Bin W;Bruschi A;Gandini F;Granucci G;Mellera V;Spinicchia N;Sozzi C
2006
Abstract
The paper describes the design, calculation and performances of a fam-ily of calorimetric matched loads to be used with high power, millime-ter wave gyrotrons for ECRH applications in plasma physics. All the loads in the family are based on the same identical concept of a copper sphere coated on the inside with a partially absorbing ceramic layer. Different applications are foreseen, from a precise characterization of the e.m. beam power distribution in short pulses (up to 0.1 s), to the ab-sorption and calorimetric measure of beams at 2 MW, CW. The loads differ mainly in the way in which heat is removed, and calorimetry is performed.File in questo prodotto:
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