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Fink, C. W.; Watkins, S. L.; Aramaki, T.; Brink, P. L.; Ganjam, S.; Hines, B. A.; Huber, M. E.; Kurinsky, N. A.; Mahapatra, R.; Mirabolfathi, N.; Page, W. A.; Partridge, R.; Platt, M.; Pyle, M.; Sadoulet, B.; Serfass, B.; Zuber, S.
AIP advances, 08/2020, Letnik: 10, Številka: 8Journal Article
In this letter, we present the performance of a 100 μm × 400 μm × 40 nm W Transition-Edge Sensor with a critical temperature of 40 mK. This device has a noise equivalent power of 1.5×10-18 W/Hz, in a bandwidth of 2.6 kHz, indicating a resolution for Dirac delta energy depositions of 40 ± 5 meV (rms). The performance demonstrated by this device is a critical step toward developing a O(100) meV threshold athermal phonon detector for low-mass dark matter searches.
