Interrogation of fibre-optic interferometric sensors using an acousto-optic tunable filter
Xu, M.G., Geiger, H. and Dakin, J.P. (1995) Interrogation of fibre-optic interferometric sensors using an acousto-optic tunable filter. Electronics Letters, 31, (17), 1487-1488. (doi:10.1049/el:19951037 ).
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Description/Abstract
A new technique for the interrogation of interferometric-based fibre-optic sensors using an acousto-optic tunable filter (AOTF) is demonstrated. The scheme involves frequency shift keying (FSK) of the RF drive to the AOTF to track the 3hift of a single fringe peak from an interferometric sensor. Experimental results are presented for a Fizeau interferometer. The technique provides high accuracy, plus a large unambiguous tracking range free from interruptions.
| Item Type: | Article |
|---|---|
| ISSNs: | 0013-5194 (print) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 78137 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 02 Mar 2012 12:24 |
| Contributors: | Xu, M.G. (Author) Geiger, H. (Author) Dakin, J.P. (Author) |
| Date: | 1995 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/78137 |
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