[1] [1] Filippov Valery N，Starodumov Andrey N，Minkovich Vladimir P，et al. Fiber sensor for simultaneous measurement of voltage and temperature [J]. IEEE Photonics Technology Letters(S1041-1135)，2000，12(11): 1543-1545.

[5] [5] Blake J N，Huang S Y，Kim B Y. Strain effect on highly elliptical core two-mode fibers [J]. Optics Letters(S0146-9592)，1987， 12(9): 732-734.

[6] [6] Jian Ju，Zhi Wang，Demokan M S. Temperature Sensitivity of a Two-Mode Photonic Crystal Fiber Interferometric Sensor [J]. Photonics Technology Letters(S1041-1135)，2006，18(20): 2168-2171.

[7] [7] Marcin Szpulak，Tadeusz Martynkien，Waclaw Urbanczyk. Effects of hydrostatic pressure on phase and group modal birefringence in microstructured holey fibers [J]. Applied Optics(S0003-6935)，2004，43(24): 4739-4744.

[8] [8] Tadeusz Martynkien，Marcin Szpulak，Gabriela Statkiewicz. Pressure sensitivity of the birefringent photonic crystal fiber with triple defect [J]. Proceedings of SPIE(S0277-786X)，2004，5450: 550-556.

[9] [9] Bock Wojtek J，Eftimov Tinko A，Mikulic Predrag，et al. An inline core-cladding intermodal interferometer using a photonic crystal fiber [J]. Journal of Lightwave Technology(S0733-8724)，2007，27(17): 3933-3939.

[11] [11] Ortigosa-Blanch A，Knight J C，Wadsworth W J，et al. Highly Birefringent Photonic Crystal Fibers [J]. Optics Letters (S0146-9592)，2000，25(18): 1325-1327.