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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Thai, T.T. Chebila, F. Mehdi, J.M. Pons, P. Aubert, H. DeJean, G.R. Tentzeris, M.M. Plana, R. |
| Copyright Year | 2010 |
| Description | Author affiliation: Microsoft Research, One Microsoft Way, Redmond, WA 98052, U.S.A (DeJean, G.R.) || GEDC/School of ECE, Georgia Institute of Technology, Atlanta, GA 30332, U.S.A (Tentzeris, M.M.) || CNRS; LAAS; 7, avenue du Colonel Roche, F-31077 Toulouse, France (Thai, T.T.; Chebila, F.; Mehdi, J.M.; Pons, P.; Aubert, H.; Plana, R.) |
| Abstract | Temperature sensing is critical in many automotive, medical, and industrial systems for applications such as engine operations, space shuttle and aircraft in-flight conditions, and road and bridge health. A passive wireless temperature sensor would enable remote sensing and long term monitoring for those applications. Most existing temperature sensors require a power source, and ones with high sensitivity suffer from performance degradation above 130°C [1]. A capacitively-loaded MEMS slot element for wireless temperature sensing was proposed in [2] but has very low sensitivity of about 500 kHz/°C. In this work, the authors introduce a new wireless passive ultrasensitive temperature transducer based on split ring resonators (SRR) that can be integrated into wireless multi-physical sensing platforms. The new temperature transducer achieves an ultrahigh sensitivity of about 780 MHz/°C. Furthermore, improving the technique reported recently in [3], the authors also propose a new micro-sensor identification technique based on loaded multi-band scatterers whose radar cross section (RCS) read by a frequency modulated continuous wave (FMCW) radar. In this paper, a prototype of the novel SRR temperature sensor integrated into the passive multi-sensor identification sensing system is demonstrated as well as RCS measurements. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 450322 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424449675 |
| ISSN | 15223965 |
| DOI | 10.1109/APS.2010.5562216 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-07-11 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Temperature sensors Temperature measurement Transducers Radar cross section Sensitivity Wireless sensor networks |
| Content Type | Text |
| Resource Type | Article |
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