Experimental tests of a new multiplexing technique for fibre optical Bragg sensors array

Giovanni Breglio; A. Cusano; Andrea Irace

doi:10.1117/12.566669

9 June 2004 Experimental tests of a new multiplexing technique for fibre optical Bragg sensors array

Giovanni Breglio, A. Cusano, Andrea Irace

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566669
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

In our previous papers we have introduced the Chirped-Pulsed Frequency Modulation technique (C-PFM); it has been used to allow the multiplexing capability of a multipoint Fiber Bragg Grating (FBG) sensor network. In this paper we report some preliminary experimental results, which confirm the theoretical analyses previously obtained. The innovative multiplexing approach, without to increase the complexity of the acquisition system, is able to address up to 10 independent sensing points on a single fiber. The C-PFM technique is based on the amplitude modulation of the emitted signal (pulsed) from the laser source by a chirped frequency signal and on the demodulation of the reflected signal by means of an adaptive filter (that is only a numerical elaboration). The experimental result are here shown and commented in order to define limitations and capabilities of the approach.

Citation Download Citation

Giovanni Breglio, A. Cusano, and Andrea Irace "Experimental tests of a new multiplexing technique for fibre optical Bragg sensors array", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566669

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available