Title :
A dual-wavelength DBR fiber laser strain sensor
Author :
Liu, Shengchun ; Yin, Zuowei ; Zhang, Liang ; Chen, Xiangfei
Author_Institution :
Nat. Lab. of Microstructure, Nanjing Univ., Nanjing, China
Abstract :
A dual-wavelength fiber distributed Bragg reflected laser sensor is presented and experimentally realized. The dual-wavelength beat frequency sensing signal can be obtained by photodetector and spectrum analyzer with a strain sensitivity of about 8.57 KHz/muepsiv.
Keywords :
distributed Bragg reflector lasers; fibre lasers; fibre optic sensors; photodetectors; spectral analysers; strain sensors; dual-wavelength DBR fiber laser; dual-wavelength beat frequency sensing; dual-wavelength fiber distributed Bragg reflected laser; photodetector; spectrum analyzer; strain sensitivity; strain sensor; Acoustic sensors; Capacitive sensors; Distributed Bragg reflectors; Erbium-doped fiber lasers; Fiber lasers; Frequency; Optical fiber polarization; Optical fiber sensors; Optical sensors; Sensor systems; Fiber Bragg grating sensor; distributed Bragg reflector laser;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5222618
