Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Distributed fiber sensor based on modulated pulse base reflection and Brillouin gain spectrum analysis

Not Accessible

Your library or personal account may give you access

Abstract

In recent years, several distributed sensor systems based on stimulated Brillouin scattering in optical fibers have been proposed [ J. Intell. Mater. Syst. Struct. 10, 340 (1999) ; Proc. SPIE 5855, 555 (2005) ]. We propose a simpler scheme based on fiber-end reflection and Brillouin gain spectrum analysis. In this setup, only one optical source is necessary to provide both the pump and the probe wave; the latter is provided by the modulated pulse base. First, the physical mechanisms for two different Brillouin scattering processes in our sensor system are analyzed and an approximate theory model is proposed. In addition, it is demonstrated that the simple system configuration allows simultaneous acquisition of the time-domain and the frequency-domain information. It is experimentally demonstrated that this configuration is effective for strain measurements and could as well be applied to temperature monitoring.

© 2009 Optical Society of America

Full Article  |  PDF Article
More Like This
System optimization of a long-range Brillouin-loss-based distributed fiber sensor

Yongkang Dong, Liang Chen, and Xiaoyi Bao
Appl. Opt. 49(27) 5020-5025 (2010)

Distributed fiber temperature and strain sensor using coherent radio-frequency detection of spontaneous Brillouin scattering

Jihong Geng, Sean Staines, Mike Blake, and Shibin Jiang
Appl. Opt. 46(23) 5928-5932 (2007)

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 Optica member, or as an authorized user of your institution.

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

Figures (7)

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

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

Equations (7)

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

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved