Title :
Highly sensitive static strain fiber-Bragg grating sensor using an interrogating laser locked to stable atomic lines
Author :
Lissak, B. ; Arie, A. ; Tur, M.
Author_Institution :
Fac. of Eng., Tel Aviv Univ., Israel
Abstract :
Atomic absorption lines provide stable optical frequency references, which can be used to interrogate strain-induced frequency shifts of fiber Bragg gratings. High sensitivity of 1.2 nanostrain//spl radic/Hz at 1.5 Hz is obtained using this novel technique.
Keywords :
Bragg gratings; fibre optic sensors; frequency standards; sensitivity; stability; strain sensors; atomic absorption lines; high sensitivity; highly sensitive static strain fiber-Bragg grating sensor; interrogating laser; nanostrain; stable atomic line locked laser; stable optical frequency references; strain-induced frequency shifts; Absorption; Atom lasers; Bragg gratings; Capacitive sensors; Fiber gratings; Fiber lasers; Frequency; Laser stability; Optical reflection; Strain measurement;
Conference_Titel :
Optical Fiber Communication Conference, 1999, and the International Conference on Integrated Optics and Optical Fiber Communication. OFC/IOOC '99. Technical Digest
Conference_Location :
San Diego, CA, USA
Print_ISBN :
1-55752-582-X
DOI :
10.1109/OFC.1999.766391
