Abstract

We propose a novel sideband interrogation technique with multiplex radio frequency intensity and phase modulation to measure the resonance frequency difference between two optical resonators. Based on this new technique, an ultrahighly sensitive fiber-optic static strain sensor system consisting of a pair of identical fiber Fabry–Perot interferometers is built by incorporating a cross-correlation data processing algorithm. A static strain resolution down to 0.8 nε is demonstrated experimentally, which makes the sensor system a useful tool for geophysical research applications.

© 2012 Optical Society of America

Full Article  |  PDF Article
Related Articles
Laser frequency-noise-limited ultrahigh resolution remote fiber sensing

Jong H. Chow, Ian C. M. Littler, David E. McClelland, and Malcolm B. Gray
Opt. Express 14(11) 4617-4624 (2006)

High-resolution absolute frequency referenced fiber optic sensor for quasi-static strain sensing

Timothy T.-Y. Lam, Jong H. Chow, Daniel A. Shaddock, Ian C. M. Littler, Gianluca Gagliardi, Malcolm B. Gray, and David E. McClelland
Appl. Opt. 49(21) 4029-4033 (2010)

Realization of nano static strain sensing with fiber Bragg gratings interrogated by narrow linewidth tunable lasers

Qingwen Liu, Tomochika Tokunaga, and Zuyuan He
Opt. Express 19(21) 20214-20223 (2011)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (4)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (3)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription