Large area spiderweb bolometers of 8 mm diameter and a mesh size of 250 Ã1/4m are fabricated in order to couple with approximately the first 20 modes of a multimode EM cavity at about 140 GHz. The sensor is a Ti/Au/Ti 3 layer TES with Tc tuned in the 330-380 mK and 2 mK transition width. We describe the detector design and the fabrication process, early TES electro-thermal measurements. We also report optical coupling measurement and show the multimode coupling.
Large area TES spiderweb bolometer for multi-mode cavity microwave detect
Biasotti, M.;Bagliani, D.;Ceriale, V.;Corsini, D.;Gatti, F.;Pizzigoni, G.;
2014
Abstract
Large area spiderweb bolometers of 8 mm diameter and a mesh size of 250 Ã1/4m are fabricated in order to couple with approximately the first 20 modes of a multimode EM cavity at about 140 GHz. The sensor is a Ti/Au/Ti 3 layer TES with Tc tuned in the 330-380 mK and 2 mK transition width. We describe the detector design and the fabrication process, early TES electro-thermal measurements. We also report optical coupling measurement and show the multimode coupling.
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