Photonic crystal fiber strain sensor based on cascaded Mach-Zehnder interferometer

Xinyong Dong; Limin Hu; Chi Chiu Chan; Yunpeng Wang; Wei Chang Wong; Wenwen Qian; Tao Li

doi:10.1117/12.906369

30 November 2011 Photonic crystal fiber strain sensor based on cascaded Mach-Zehnder interferometer

Xinyong Dong, Limin Hu, Chi Chiu Chan, Yunpeng Wang, Wei Chang Wong, Wenwen Qian, Tao Li

Proceedings Volume 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 82011U (2011) https://doi.org/10.1117/12.906369
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

In this paper, a novel intensity modulated strain sensor is proposed and demonstrated by employing a solid core photonic crystal fiber (PCF)-based cascaded Mach-Zehnder interferometer, in which a middle collapsed region is introduced at the middle point of the PCF to improve the sensitivity of the sensor. Experimental results show that this proposed structure has high temperature stability without any compensation process and a high sensitivity of 15.5 dBm/mε over range of 1.3 mε can be achieved.

Citation Download Citation

Xinyong Dong, Limin Hu, Chi Chiu Chan, Yunpeng Wang, Wei Chang Wong, Wenwen Qian, and Tao Li "Photonic crystal fiber strain sensor based on cascaded Mach-Zehnder interferometer", Proc. SPIE 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 82011U (30 November 2011); https://doi.org/10.1117/12.906369

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