In this paper we review the sensing features of long period Bragg gratings and report on studies aimed at optimising the sensitivities to various measurands by using different fibre geometries.
Bibliographical noteDavid J. Webb ; Thomas Allsop ; Helen Dobb ; Kyriacos Kalli ; T. Earthrowl ; V. Mezentsev ; A. Gillooly ; R. Neal and Ian Bennion "Sensing applications of long-period gratings in various fibre types", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, 104 (June 9, 2004);
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- optical sensor
- long period grating
- refractive index