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A broadband superconducting detector suitable for use in large arrays

Day, Peter K. and LeDuc, Henry G. and Mazin, Benjamin A. and Vayonakis, Anastasios and Zmuidzinas, Jonas (2003) A broadband superconducting detector suitable for use in large arrays. Nature, 425 (6960). pp. 817-821. ISSN 0028-0836.

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Cryogenic detectors are extremely sensitive and have a wide variety of applications (particularly in astronomy), but are difficult to integrate into large arrays like a modern CCD (charge-coupled device) camera. As current detectors of the cosmic microwave background (CMB) already have sensitivities comparable to the noise arising from the random arrival of CMB photons, the further gains in sensitivity needed to probe the very early Universe will have to arise from large arrays. A similar situation is encountered at other wavelengths. Single-pixel X-ray detectors now have a resolving power of ΔE < 5 eV for single 6-keV photons, and future X-ray astronomy missions anticipate the need for 1,000-pixel arrays. Here we report the demonstration of a superconducting detector that is easily fabricated and can readily be incorporated into such an array. Its sensitivity is already within an order of magnitude of that needed for CMB observations, and its energy resolution is similarly close to the targets required for future X-ray astronomy missions.

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Additional Information:© 2003 Nature Publishing Group. Received 10 March; accepted 2 September 2003. This work has been supported in part by NASA (Aerospace Technology Enterprise), the JPL Director's Research and Development Fund, and the Caltech President's Fund. We are grateful for the support of A. Lidow, Caltech Trustee.
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JPL Director's Research and Development FundUNSPECIFIED
Caltech President's FundUNSPECIFIED
Issue or Number:6960
Record Number:CaltechAUTHORS:20150331-092122399
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Official Citation:Day, P. K., LeDuc, H. G., Mazin, B. A., Vayonakis, A., & Zmuidzinas, J. (2003). A broadband superconducting detector suitable for use in large arrays. [10.1038/nature02037]. Nature, 425(6960), 817-821.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:56234
Deposited By: Jason Perez
Deposited On:31 Mar 2015 22:50
Last Modified:03 Oct 2019 08:12

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