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Prototype fibre-optic-based ultrahigh pressure remote sensor using dual-wavelength coherence reading

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2 Author(s)
Y. J. Rao ; Phys. Lab., Kent Univ., Canterbury, UK ; D. A. Jackson

A prototype singlemode fibre-based ultrahigh pressure remote sensor based on a Fizeau cavity using a dual-wavelength coherence reading technique has been constructed capable of remote operation at distances up to 10km. A range to resolution of approximately 1.67*104:1 and an overall measurement accuracy of approximately +or-0.67% over a pressure range of approximately 1000bar have been achieved.

Published in:

Electronics Letters  (Volume:29 ,  Issue: 24 )