Mazin, Benjamin A. and Bumble, Bruce and Day, Peter K. and Eckart, Megan E. and Golwala, Sunil and Zmuidzinas, Jonas and Harrison, Fiona A. (2006) Position sensitive x-ray spectrophotometer using microwave kinetic inductance detectors. Applied Physics Letters, 89 (22). Art. No. 222507. ISSN 0003-6951. doi:10.1063/1.2390664. https://resolver.caltech.edu/CaltechAUTHORS:MAZapl06
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Abstract
The surface impedance of a superconductor changes when energy is absorbed and Cooper pairs are broken to produce single electron (quasiparticle) excitations. This change may be sensitively measured using a thin-film resonant circuit called a microwave kinetic inductance detector (MKID). The practical application of MKIDs for photon detection requires a method of efficiently coupling the photon energy to the MKID. The authors present results on position sensitive x-ray detectors made by using two aluminum MKIDs on either side of a tantalum photon absorber strip. Diffusion constants, recombination times, and energy resolution are reported. MKIDs can easily be scaled into large arrays.
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| Additional Information: | © 2006 American Institute of Physics (Received 30 August 2006; accepted 5 October 2006; published online 29 November 2006) The research described in this letter was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This work was supported in part by JPL Research and Technology Development funds and by NASA Grant No. NAG5-5322 to one of the authors (F.A.H.). The authors would like to thank Rick LeDuc, Jiansong Gao, Dan Prober, and Luigi Frunzio for useful discussions. | ||||||||
| Group: | Space Radiation Laboratory | ||||||||
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| Subject Keywords: | X-ray spectrometers; spectrophotometers; inductance measurement; microwave detectors | ||||||||
| Issue or Number: | 22 | ||||||||
| DOI: | 10.1063/1.2390664 | ||||||||
| Record Number: | CaltechAUTHORS:MAZapl06 | ||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:MAZapl06 | ||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||
| ID Code: | 6414 | ||||||||
| Collection: | CaltechAUTHORS | ||||||||
| Deposited By: | Archive Administrator | ||||||||
| Deposited On: | 07 Dec 2006 | ||||||||
| Last Modified: | 08 Nov 2021 20:33 |
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