[1] Hangen Renner. Bending loss of coated single-mode fibers: a simple approach [J]. J Lightwave Technol, 1992, 10(5): 544-551.

[2] T A Birks, J C Knight, P St J Russell. Endlessly single-mode photonic crystal fiber [J]. Opt Lett, 1997, 22(13): 961-963.

[3] T Sorensen, J Broeng, A Bjarklev, et al.. Spectral macro-bending loss considerations for photonic crystal fibers [J]. IEEE Proceedings-Optoelectronics, 2002, 149(5-6): 206-210.

[4] M D Nielsen, N A Mortensen, M Albertsen, et al.. Predicting macrobending loss for large-mode area photonic crystal fibers [J]. Opt Express, 2004, 12(8): 1775-1779.

[5] Jacek Olszewski, Marcin Szpulak, Waclaw Urbanczyk. Effect of coupling between fundamental and cladding modes on bending losses in photonic crystal fibers [J]. Opt Express, 2005, 13(16): 6015-6022.

[6] Guo Xiarui, Yang Dexing. Experimental investigation on microbending loss properties in air-guiding photonic bandgap fiber [J]. Acta Optica Sinica, 2010, 30(8): 2432-2436.

[7] Cui Li, Zhao Jianlin, Zhang Xiaojuan, et al.. Analysis of bending loss oscillations in photonic crystal fibers [J]. Acta Optica Sinica, 2008, 28(6): 1172-1177.

[8] T Martynlien, J Olszewski, M Szpulak, et al.. Experimental investigations of bending loss oscillations in large mode area photonic crystal fibers [J]. Opt Express, 2007, 15(21): 13547-13556.

[9] Yukihiro Tsuchida, Kunimasa saitoh, Masanori Koshiba. Design and characterization of single-mode holey fibers with low bending losses [J]. Opt Express, 2005, 13(12): 4770-4779.

[10] Yanping Xu, Ping Lu, Zengguang Qin, et al.. Vibration sensing using a tapered bend-insensitive fiber based Mach-Zehnder interferometer [J]. Opt Express, 2013, 21(3): 3031-3042.

[11] Wang Wei. Interferometric Fiber Optical Gyroscope Technology [M]. Beijing: Chinese Aerospace Press, 2010. 115-116.

[12] Honghai Wang, Feng Tu, Jing Li. Effect of temperature and bending on PANDA polarization-maintaining fibers fabricated by PCVD method [C]. Photonics Global, 2008.

[13] Wu Weifeng. Investigation on Bend Loss of PANDA Polarization Maintaining Fibers [D]. Nanjing: Nanjing University of Science of Technology, 2009. 29-43.

[14] Li Xuyou, Yang Hanrui, Gao Yanbin. High-birefringent photonic crystal fibers with small effective mode area [J]. J Chinese Inertial Technology, 2012, 20(6): 715-719.