This paper reviews some aspects of optical fiber sensors based on a single-mode (SM)-multimode (MM)-SM structure and reports on the realization of temperature sensors in which the MM section is made by a quasi-two mode fiber. Two different realizations are compared that rely on: 1) a bend-insensitive fiber operated in the second optical communication window and 2) an SM fiber at 2 μm operated in the third optical communication window. The performances of the sensors are compared with those of similar structures that exploit largely MM sections.

Single-Mode-Multimode-Single-Mode Optical Fiber Sensing Structure With Quasi-Two-Mode Fibers / Olivero, Massimo; Vallan, Alberto; Orta, Renato; Perrone, Guido. - In: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. - ISSN 0018-9456. - STAMPA. - (2018), pp. 1-7. [10.1109/TIM.2017.2771998]

Single-Mode-Multimode-Single-Mode Optical Fiber Sensing Structure With Quasi-Two-Mode Fibers

Olivero, Massimo;Vallan, Alberto;Orta, Renato;Perrone, Guido
2018

Abstract

This paper reviews some aspects of optical fiber sensors based on a single-mode (SM)-multimode (MM)-SM structure and reports on the realization of temperature sensors in which the MM section is made by a quasi-two mode fiber. Two different realizations are compared that rely on: 1) a bend-insensitive fiber operated in the second optical communication window and 2) an SM fiber at 2 μm operated in the third optical communication window. The performances of the sensors are compared with those of similar structures that exploit largely MM sections.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2701554
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