NDLI: Development of Superconducting NbSi TES Array and Associated Readout With SQUIDs and <newline/>Integrated Circuit Operating at 2 K

Content Provider	IEEE Xplore Digital Library
Author	Prele, D. Piat, M.R. Breelle, E.L. Voisin, F. Pairat, M. Atik, Y. Belier, B. Dumoulin, L. Evesque, C. Klisnick, G. Marnieros, S. Pajot, F. Redon, M. Sou, G.
Copyright Year	2002
Abstract	To further increase the sensitivity of future telescope projects dedicated to photometric astronomy observation at millimeter and sub-millimeter wavelengths, large number of bolometer is currently developed. In this context, The DCMB (Developement Concerte de Matrice de Bolometre) French collaboration makes an R&D effort to develop large bolometer arrays. This paper concentrates on a first demonstration of NbSi TES (transition-edge sensors) array development: a 23 NbSi (niobium silicon) superconducting thermometer array. Firstly, the NbSi thin film alloy is described then the 23 TES array topology is presented. The readout of large TES arrays requires ultra low noise amplification and multiplexing electronics. The use of a first stage transducer such as a SQUID (superconducting quantum interference device) allows ultimate performances in terms of noise. However, the linearization of the SQUID characteristic requires a low noise amplifier (LNA) to generate a flux lock loop (FLL). We implement this component in a cryogenic SiGe integrated circuit (IC) that could also contains the control of the multiplexing. Using this readout chain, a one-pixel operation using NbSi thermometer readout by SQUID and a cryogenic LNA is demonstrated. Finally, the development of a specific cryogenic IC including amplifiers, addressing and switching current sources needed for a 24 to 1 time domain SQUID multiplexer is presented.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	501
Ending Page	504
Page Count	4
File Size	567550
File Format	PDF
ISSN	10518223
Volume Number	19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Superconducting integrated circuits SQUIDs Sensor arrays Superconducting device noise Cryogenics Bolometers Integrated circuit noise Submillimeter wave integrated circuits Telescopes Photometry time division multiplexing cryogenic electronics noise SiGe BiCMOS analog integrated circuits
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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