DFB fiber laser sensor for simultaneous measurement of acoustic and magnetic fields

Rui Ma; Wentao Zhang; Wenzhu Huang; Fang Li

doi:doi:10.3788/COL201816.060602

Chinese Optics Letters, 2018, 16 (6): 060602, Published Online: Jul. 2, 2018

DFB fiber laser sensor for simultaneous measurement of acoustic and magnetic fields Download： 730次

Rui Ma ^1,2Wentao Zhang ^1,2,*Wenzhu Huang ^1,2Fang Li ^1,2

Author Affiliations

¹ State Key Laboratory of Transducer Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

² College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Figures & Tables

Fig. 1. (a) Schematic view of the designed fiber acoustic and magnetic sensor and (b) its front view.

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Fig. 5. (a) Measured resonant frequency shift of the fiber laser for various applied magnetic field magnitudes. (b) Directivity of this sensor.

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Rui Ma, Wentao Zhang, Wenzhu Huang, Fang Li. DFB fiber laser sensor for simultaneous measurement of acoustic and magnetic fields[J]. Chinese Optics Letters, 2018, 16(6): 060602.

DFB fiber laser sensor for simultaneous measurement of acoustic and magnetic fields Download： 730次

Fig. 1. (a) Schematic view of the designed fiber acoustic and magnetic sensor and (b) its front view.

Fig. 2. Schematic of the test system.

Fig. 3. Simultaneous acoustic and magnetic signals in the frequency domain.

Fig. 4. Acoustic frequency response of the sensor.

Fig. 5. (a) Measured resonant frequency shift of the fiber laser for various applied magnetic field magnitudes. (b) Directivity of this sensor.

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DFB fiber laser sensor for simultaneous measurement of acoustic and magnetic fields Download： 730次

Fig. 1. (a) Schematic view of the designed fiber acoustic and magnetic sensor and (b) its front view.

Fig. 2. Schematic of the test system.

Fig. 3. Simultaneous acoustic and magnetic signals in the frequency domain.

Fig. 4. Acoustic frequency response of the sensor.

Fig. 5. (a) Measured resonant frequency shift of the fiber laser for various applied magnetic field magnitudes. (b) Directivity of this sensor.

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