[1] [1] HOTATE K, LENG S O S. Transversal force sensor using polarization-maintaining fiber independent of direction of applied force: proposal and experiment［C］. 15th Optical Fiber Sensors Conference Technical Digest, 2002,1: 363-366.

[2] [2] LUO Fei, HUANG Shang-lian. Mode coupling characteristic of high-birefringent fiber under transverse compression disturbance ［J］.Journal of Nanjing University of Aeronautics & Astronautics, 1993, 25(6): 753-757.

[3] [3] ZHANG Hong-xia, LIU Hai-tao, JING Wen-cai, et al. Research of stress sensing based on measurement of polarization coupling in polarization-maintaining fiber ［J］. Journal of Optoelectronics·Laser, 2008, 19(11): 1442- 1445.

[4] [4] ZHANG Yue-xin. Theoretical study of pressure and temperature detected simultaneously for polarization-sensor［D］. Xi′an:Xidian University, 2008.1.

[6] [6] TSUBOKAWA M, HIGASHI T, NEGISHI Y. Mode couplings due to external forces distributed along a polarization-maintaining fiber: an evaluation［J］. Applied Optics, 1988, 27(1): 166-173.

[7] [7] SASAKI J, KIMURA T. Birefringence and polarization characteristics of single-mode optical fibers under elastic deform-ations［J］. Journal of Quantum Electronics, 1981, 17(6): 1041-1051.

[8] [8] CHUA T H, CHEN C L. Fiber polarimetric stress sensors［J］. Applied Optics, 1989, 28(15): 3158-3165.

[9] [9] ZHANG Hong-xia, TANG Feng, JING Wen-Cai, et al. Theoretical analysis of distributed stress sensing based on measurement of polarization coupling［J］.Chinese Journal of Sensors and Actuators, 2007, 10(1): 208-212.

[11] [11] CHU P, SAMMUT R. Analytical method for calculation of stresses and material birefringence in polarization-maintaining optical fiber［J］. Journal of Lightwave Technology, 1984, 2(5): 650-662.

[12] [12] CHEN Zhe, HU Yong-ming, LI Xiu-juan, et al. The relation between the structure of panda fibers and their birefringences［J］. Acta Photonica Sinica, 2000, 29(12): 1127-1130.