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Multiplexed and distributed optical fibre sensors

Multiplexed and distributed optical fibre sensors
Multiplexed and distributed optical fibre sensors
The viability and economy of optical fibre sensors is greatly improved by multiplexing, the method by which many individual passive heads can be interrogated by a common opto-electronics terminal. For space applications, multiplexing offers the added attraction of greatly reduced weight, as the fibre cable network and passive sensor units will generally be much lighter than their electrical counterparts and there is no need for heavy electromagnetic screening materials. The ultimate form of multiplexing, and the maximum weight saving is achieved when the sensor consists of a single length of fibre cable and where the terminal unit can monitor and resolve the variation of a physical parameter, as a continuous function along the length of the fibre. Such a sensor is called a distributed sensing system.
Dakin, J.P.
04891b9b-5fb5-4245-879e-9e7361adf904
Dakin, J.P. (1992) Multiplexed and distributed optical fibre sensors At ESA Conference Advanced Materials for Lightweight Structures ESTEC, Netherlands. 25 - 27 Mar 1992.

Dakin, J.P. (1992) Multiplexed and distributed optical fibre sensors At ESA Conference Advanced Materials for Lightweight Structures ESTEC, Netherlands. 25 - 27 Mar 1992.

Record type: Conference or Workshop Item (Paper)

Abstract

The viability and economy of optical fibre sensors is greatly improved by multiplexing, the method by which many individual passive heads can be interrogated by a common opto-electronics terminal. For space applications, multiplexing offers the added attraction of greatly reduced weight, as the fibre cable network and passive sensor units will generally be much lighter than their electrical counterparts and there is no need for heavy electromagnetic screening materials. The ultimate form of multiplexing, and the maximum weight saving is achieved when the sensor consists of a single length of fibre cable and where the terminal unit can monitor and resolve the variation of a physical parameter, as a continuous function along the length of the fibre. Such a sensor is called a distributed sensing system.

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More information

Published date: 1992
Venue - Dates: ESA Conference Advanced Materials for Lightweight Structures ESTEC, Netherlands, 1992-03-25 - 1992-03-27

Identifiers

Local EPrints ID: 77359
URI: http://eprints.soton.ac.uk/id/eprint/77359
PURE UUID: 3eea805b-60eb-48ac-a489-d279abd57aa7

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:33

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