[1] Wenwen Qian, Chunliu Zhao, Shaoling He et al.. High-sensitivity temperature sensor based on an alcohol-filled photonic crystal fiber loop mirror［J］. Opt. Lett., 2011, 36(9): 1548～1550

[2] Shengchun Liu, Zuowei Yin, Liang Zhang et al.. Multilongitudinal mode fiber laser for strain measurement［J］. Opt. Lett., 2010, 35(6): 835～837

[3] Bobo Gu, Mingjie Yin, A. Ping Zhang et al.. Optical fiber relative humidity sensor based on FBG incorporated thin-core fiber modal interferometer［J］. Opt. Express, 2011, 19(5): 4140～4146

[4] Yu Zhang, Bo Lin, Swee Chuan Tjin et al.. Refractive index sensing based on higher-order mode reflection of a microfiber Bragg grating［J］. Opt. Express, 2010, 18(25): 26345～26350

[5] Yu Liu, Li Wei. Low-cost high-sensitivity strain and temperature sensing using graded-index multimode fibers［J］. Appl. Opt., 2007, 46(13): 2516～2519

[6] Yuan Gong, Tian Zhao, Yunjiang Rao et al.. All-fiber curvature sensor based on multimode interference［J］. IEEE Photon. Technol. Lett., 2011, 23(11): 679～681

[7] Zhaobing Tian, Scott S.-H. Yam, Hans Peter Loock. Single-mode fiber refractive index sensor based on core-offset attenuators［J］. IEEE Photon. Technol. Lett., 2008, 20(16): 1387～1389

[8] J. Yang, L. Jiang, S. Wang et al.. High sensitivity of taper-based Mach-Zehnder interferometer embedded in a thinned optical fiber for refractive index sensing［J］. Appl. Opt., 2011, 50(28): 5503～5507

[9] Zhaobing Tian, Scott S.-H. Yam, Jack Barnes et al.. Refractive index sensing with Mach-Zehnder interferometer based on concatenating two single-mode fiber tapers［J］. IEEE Photon. Technol. Lett., 2008, 20(8): 626～628

[10] Yan Zhou, Wenjun Zhou, Chi Chiu Chan et al.. Simultaneous measurement of curvature and temperature based on PCF-based interferometer and fiber Bragg grating［J］. Opt. Commun., 2011, 284(24): 5669～5672

[11] Tao Wei, Xinwei Lan, Hai Xiao. Fiber inline core-cladding-mode Mach-Zehnder interferometer fabricated by two-point CO2 laser irradiations［J］. IEEE Photon. Technol. Lett., 2009, 21(10): 669～671

[12] Qiang Wu, Yuliya Semenova, Jinesh Mathew et al.. Humidity sensor based on a single-mode hetero-core fiber structure［J］. Opt. Lett., 2011, 36(10): 1572～1574

[13] Bobo Gu, Mingjie Yin, A. Ping Zhang et al.. Low-cost high-performance fiber-optic PH sensor based on thin-core fiber modal interferometer［J］. Opt. Express, 2009, 17(25): 22296～22302

[14] Tianhao Xia, A. Ping Zhang, Bobo Gu et al.. Fiber-optic refractive-index sensors based on transmissive and reflective thin-core fiber modal interferometers［J］. Opt. Commun., 2010, 283(10): 2136～2139

[15] Xingyong 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