Intra-cavity index sensor based on ytterbium-doped photonic crystal fiber

Ying Lu; Congjing Hao; Liangcheng Duan; Baoqun Wu; Musideke Mayilamu; Jianquan Yao

doi:10.1117/12.2023144

25 September 2013 Intra-cavity index sensor based on ytterbium-doped photonic crystal fiber

Ying Lu, Congjing Hao, Liangcheng Duan, Baoqun Wu, Musideke Mayilamu, Jianquan Yao

Proceedings Volume 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII; 88470P (2013) https://doi.org/10.1117/12.2023144
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

We propose an intra-cavity index sensor based on double cladding ytterbium-doped photonic crystal fiber filled with liquid analyte in the air holes of optical fiber cladding. In such sensor, when pumped by 976 nm light, the output power of the ytterbium-doped photonic crystal fiber laser can be influenced by the refraction index of liquid analyte to achieve the intra-cavity fiber sensing. The numerical analysis shows that the power change is larger in a small range of loss when the end reflectivity is higher, and the sensor’s sensitivity will be higher for the change of refractive index of analyte.

Citation Download Citation

Ying Lu, Congjing Hao, Liangcheng Duan, Baoqun Wu, Musideke Mayilamu, and Jianquan Yao "Intra-cavity index sensor based on ytterbium-doped photonic crystal fiber", Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 88470P (25 September 2013); https://doi.org/10.1117/12.2023144

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