[1] [1] D H Kim, J U Kang. Sagnac loop interferometer based on polarization maintaining photonic crystal fiber with reduced temperature sensitivity［J］. Opt Express, 2004, 12(19): 4490-4495.

[2] [2] G Y Sun, H J Tang, Y H Hu, et al.. Strain and temperature discrimination using high birefringence fiber Sagnac interferometer with enhanced sensitivities［J］. IEEE Photonic Technol Lett, 2012, 24(7): 587-589.

[3] [3] X Y Dong, H Y Tam, P Shum.Temperature-insensitive strain sensor with polarization-maintaining photonic crystal fiber based Sagnac interferometer［J］. Appl Phys Lett, 2007, 90(15): 151113.

[4] [4] A N Starodumov, L A Zenteno, D Monzon, et al.. Fiber Sagnac interferometer temperature sensor［J］. Appl Phys Lett, 1997,70(1): 19-21.

[5] [5] Y Liu, B Liu, X H Feng, et al.. High-birefringence fiber loop mirrors and their applications as sensors［J］. Appl Opt, 2005, 44(12): 2382-2390.

[6] [6] R M Silva, M S Ferreira, O Frazo. Temperature independent torsion sensor using a high-birefringent sagnac loop interferometer［J］. Opt Commun, 2012, 285(6): 1167-1170.

[7] [7] Kang Chong, Liu Furong, Huang Zongjun, et al.. The influence of spectrum width of optical source on the sensitivity of Fabry Perot optical fiber sensor［J］. Acta Optica Sinica, 2004, 24(3): 337-340.

[8] [8] Cheng Teng, Zhang Qingchuan, Gao Jie, et al.. Analysis of optical readout sensitivity for uncooled infrared imaging based on optical readout［J］. Acta Optica Sinica, 2012, 32(2): 0204002.

[9] [9] C Y Shen, C Zhong, J L Chu, et al.. Temperature-insensitive strain sensor using a fiber loop mirror based on low-birefringence polarization-maintaining fibers［J］. Opt Commun, 2013, 287: 31-34.

[10] [10] H P Gong, C C Chan, P Zu, et al.. Curvature measurement by using low-birefringence photonic crystal fiber based Sagnac loop［J］. Opt Commun, 2010, 283(16): 3142-3144.

[11] [11] Jiang Ying, Liang Dakai, Zeng Jie, et al.. Research on axial strain sensitivity of high-birefringence fiber loop mirror［J］. Spectroscopy and Spectral Analysis, 2012, 32(12): 3367-3371.

[12] [12] Jiang Ying, Liang Dakai, Zeng Jie, et al.. Influence of monitoring point wavelength on axial strain sensitivity of high-birefringence fiber loop mirror［J］. Acta Physica Sinica, 2013, 62(6): 064216.

[13] [13] W W Qian, C L Zhao, S L He, et al.. High-sen sitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror［J］. Opt Lett, 2011, 36(9): 1548-1550.