POF vibration sensor based on speckle pattern changes

L. Rodriguez-Cobo; M. Lomer; C. Galindez; J. M. Lopez-Higuera

doi:10.1117/12.970625

17 October 2012 POF vibration sensor based on speckle pattern changes

L. Rodriguez-Cobo, M. Lomer, C. Galindez, J. M. Lopez-Higuera

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84212Y (2012) https://doi.org/10.1117/12.970625
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A method of sensing vibration using detection of changes in the spatial distribution of energy on the speckle pattern in the output multimode optical fiber is presented and demonstrated. The implementation of sensor consists of a small length of fiber which is isolated and sensitive to ambient vibration. The projection of the speckle pattern is directly recorded by a CCD camera at the outlet end of the fiber and processed changes in the intensity distribution. The sensor is simple, inexpensive and can be implemented to measure vibrations in engine, machines or buildings.

Citation Download Citation

L. Rodriguez-Cobo, M. Lomer, C. Galindez, and J. M. Lopez-Higuera "POF vibration sensor based on speckle pattern changes", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84212Y (17 October 2012); https://doi.org/10.1117/12.970625

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