Vision system to analyze interferometric patterns: application to fiber optic sensors

J. A. Jiménez; A. Rodríguez; F. J. González; L. M. Gutiérrez

doi:10.1117/12.674625

10 February 2006 Vision system to analyze interferometric patterns: application to fiber optic sensors

J. A. Jiménez, A. Rodríguez, F. J. González, L. M. Gutiérrez

Proceedings Volume 6046, Fifth Symposium Optics in Industry; 60462A (2006) https://doi.org/10.1117/12.674625
Event: Fifth Symposium Optics in Industry, 2005, Santiago De Queretaro, Mexico

Abstract

We present the results of the analysis and signal processing in real time of interferometric patterns produced by a Mach-Zehnder interferometric Fiber-Optic temperature sensor. The variations in temperature are seen as the displacement of the concentric rings that conform the interference pattern. The vision system allows us to get interferometric patterns by means of a CCD camera. This image is treated in real time by a program developed in Visual C++. This program allows us to determine the temperature of the sensor. To accomplish this task the displaced rings of interference pattern are counted with respect to a fixed point. The results of the analysis are used in the characterization and optimization of the sensor. The implemented system and the results of the analysis can be applied to other sensors or integrated optic devices based on phase modulation.

Citation Download Citation

J. A. Jiménez, A. Rodríguez, F. J. González, and L. M. Gutiérrez "Vision system to analyze interferometric patterns: application to fiber optic sensors", Proc. SPIE 6046, Fifth Symposium Optics in Industry, 60462A (10 February 2006); https://doi.org/10.1117/12.674625

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