Archivio Istituzionale della RicercaWe describe a fiber optical gyroscope based on the Sagnac effect realized on a multiplexed telecom fiber network. Our loop encloses an area of 20 km2 and coexists with Internet data traffic. This Sagnac interferometer achieves a sensitivity of about (10-8 rad/s)/sqrt(Hz), thus approaching ring laser gyroscopes without using narrow linewidth laser nor sophisticated optics. The proposed gyroscope is sensitive enough for seismic applications, opening new possibilities for this kind of optical fiber sensors.
A Large Area Fiber Optic Gyroscope on multiplexed fiber network / Clivati, Cecilia; D., Calonico; Costanzo, Giovanni Antonio; A., Mura; Pizzocaro, Marco; F., Levi. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 38:7(2013), pp. 1092-1094. [10.1364/OL.38.001092]
A Large Area Fiber Optic Gyroscope on multiplexed fiber network
CLIVATI, CECILIA;COSTANZO, Giovanni Antonio;PIZZOCARO, MARCO;
2013
Abstract
We describe a fiber optical gyroscope based on the Sagnac effect realized on a multiplexed telecom fiber network. Our loop encloses an area of 20 km2 and coexists with Internet data traffic. This Sagnac interferometer achieves a sensitivity of about (10-8 rad/s)/sqrt(Hz), thus approaching ring laser gyroscopes without using narrow linewidth laser nor sophisticated optics. The proposed gyroscope is sensitive enough for seismic applications, opening new possibilities for this kind of optical fiber sensors.
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https://hdl.handle.net/11583/2505568
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