Daal, M. and Sadoulet, B. and Gao, J. (2008) Kinetic Inductance Phonon Sensors for the Cryogenic Dark Matter Search Experiment. Journal of Low Temperature Physics, 151 (1-2). pp. 544-549. ISSN 0022-2291. doi:10.1007/s10909-007-9689-y. https://resolver.caltech.edu/CaltechAUTHORS:20100505-144854005
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Abstract
An important challenge faced by phonon-mediated detectors for the next generation of dark matter detectors (>100 kg) is to instrument large target mass at low cost, while maintaining the large background suppression offered by the combination of phonons and ionization (or scintillation) measurement. Kinetic inductance phonon sensors, operating far below the superconducting transition temperature, offer an interesting solution to this scaling problem. They do not critically depend on the uniformity of T_c and their resonant-cavity readout is easy to multiplex. We are studying a microstrip (two parallel planes) transmission line architecture that may offer the additional advantage of a separation of functions: the main detector is just covered by an unpatterned aluminum film and the number of quasi-particles created in it by athermal phonons are sensed by a second film, which has been independently patterned and is mounted a few microns away from the detector. We present current results on the responsivity and noise of large area (~33 mm^2) microstrip kinetic inductance phonon sensors.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2008 Springer Science+Business Media, LLC. Received: 22 July 2007. Accepted: 15 September 2007. Published online: 25 January 2008. This work is supported by the National Science Foundation under Grant No. PHY-0504224. M. Daal thanks his fellowships—the NASA JPFP and the Mellon Mays Fellowship. | |||||||||
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| Subject Keywords: | Dark matter; Kinetic inductance sensors; Phonon mediated; Superconducting detectors; Semiconductor detector | |||||||||
| Issue or Number: | 1-2 | |||||||||
| Classification Code: | PACS 95.36.+d; 85.25.-j; 07.20.Mc; 29.40.-n; 29.40.Wk | |||||||||
| DOI: | 10.1007/s10909-007-9689-y | |||||||||
| Record Number: | CaltechAUTHORS:20100505-144854005 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20100505-144854005 | |||||||||
| Official Citation: | Daal, M., Sadoulet, B. & Gao, J. J Low Temp Phys (2008) 151: 544. https://doi.org/10.1007/s10909-007-9689-y | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 18149 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 05 May 2010 22:25 | |||||||||
| Last Modified: | 08 Nov 2021 23:41 |
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