Bao, X. and Webb, D.J. and Jackson, D.A. (1994) Combined Distributed Temperature and Strain Sensor-Based on Brillouin Loss in an Optical-Fider. Optics Letters, 19 (2). pp. 141-143. ISSN 0146-9592.
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We present a novel distributed sensor that utilizes the temperature and strain dependence of the frequency at which the Brillouin loss is maximized in the interaction between a cw laser and a pulsed laser. With a 22-km sensing length, a strain resolution of 20 mu epsilon and a temperature resolution of 2 degrees C have been achieved with a spatial resolution of 5 m.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK8300 Optoelectronic devices|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Physical Sciences > Optics|
|Depositing User:||P. Ogbuji|
|Date Deposited:||27 Aug 2009 10:47|
|Last Modified:||17 Jul 2012 10:08|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/20373 (The current URI for this page, for reference purposes)|
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