Characterizing TES power noise for future single optical-phonon and infrared-photon detectors
- Univ. of California, Berkeley, CA (United States)
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Kavli Inst. for Particle Astrophysics and Cosmology, Menlo Park, CA (United States)
- Univ. of Colorado, Denver, CO (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, IL (United States)
- Texas A & M Univ., College Station, TX (United States)
In this letter, we present the performance of a $$100~\mu\mathrm{m}\times 400~\mu\mathrm{m} \times 40~\mathrm{nm}$$ tungsten (W) Transition-Edge Sensor (TES) with a critical temperature of 40 mK. This device has a measured noise equivalent power (NEP) of $$1.5\times 10^{-18}\ \mathrm{W}/\sqrt{\mathrm{Hz}}$$, in a bandwidth of $2.6$ kHz, indicating a resolution for Dirac delta energy depositions of $$40\pm 5~\mathrm{meV}$$ (rms). The performance demonstrated by this device is a critical step towards developing a $$\mathcal{O}(100)~\mathrm{meV}$$ threshold athermal phonon detectors for low-mass dark matter searches.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Michael M. Garland
- Grant/Contract Number:
- AC02-07CH11359; KA-2401032; SC0018981; SC0017859; AC02-76SF00515; PHY-1415388; PHY-1809769
- OSTI ID:
- 1647078
- Alternate ID(s):
- OSTI ID: 1647687
- Report Number(s):
- arXiv:2004.10257; FERMILAB-PUB-20-390-AE; oai:inspirehep.net:1792177; TRN: US2202573
- Journal Information:
- AIP Advances, Vol. 10, Issue 8; ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 13 works
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