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Some recent advances in fibre-optic sensors

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2 Author(s)
Batchellor, C.R. ; Plessey Res. (Caswell ; Edge, C.

Fibre-optic sensor technology provides a means of performing sensing functions in hostile environments, such as explosive or high electromagnetic-interference-prone areas, whilst also offering advantages in terms of convenience of application. For these reasons fibre-optic sensors are of great interest to large sections of the industrial and military community. The authors present a selection of the sensor systems from Plessey Research and which illustrate this wide interest. The fibre-optic gas sensor and the fibre-optic distributed temperature sensor are examples of sensors with general industrial interest. The analogue spectral-filtering sensor system and the fibre-optic gyroscope are of interest to the aerospace industry. The hydrophone has potential naval applications whilst fibre-optic evanescent field sensors have an attraction to medical and industrial users. For each of these sensor types the principle of operation and the demonstrated performance are described and the current state of development commented on

Published in:

Electronics & Communication Engineering Journal  (Volume:2 ,  Issue: 5 )