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Optimization of infrared and magnetic shielding of superconducting TiN and Al coplanar microwave resonators
John Mark Kreikebaum, Allison Dove, William Livingston +2
We present a systematic study of the effects of shielding on the internal quality factors (Qi) of Al and TiN microwave resonators designed for use in quantum coherent circuits. Mea…
Measurement Of Quasiparticle Transport In Aluminum Films Using Tungsten Transition-Edge Sensors
J. J. Yen, B. Shank, B. A. Young +8
We report new experimental studies to understand the physics of phonon sensors which utilize quasiparticle diffusion in thin aluminum films into tungsten transition-edge-sensors (T…
Nonlinear Optimal Filter Technique For Analyzing Energy Depositions In TES Sensors Driven Into Saturation
B. Shank, J. J. Yen, B. Cabrera +7
We present a detailed thermal and electrical model of superconducting transition edge sensors (TESs) connected to quasiparticle (qp) traps, such as the W TESs connected to Al qp tr…