[1] N D Rees, S W James, R P Tatam, et al.. Optical fiber long-period gratings with Langmuir-Blodgett thin-film overlays［J］. Opt Lett, 2002, 27(9): 686-688.

[2] I D Villar, M Achaerandio, I R Matias, et al.. Deposition of overlays by electrostatic self-assemble in long-period fiber gratings［J］. Opt Lett, 2005, 30(7): 720-722.

[3] H Y Chen, Z T Gu. Design of a gas sensor based on a cladding-reduced long period fiber grating coated with a sensitive film ［J］. Optik, 2013, 124(3): 219-224.

[4] 邓洪有. 薄包层长周期光纤光栅传感器 ［D］. 成都: 电子科技大学, 2008. 54-62.

    Deng Hongyou. The Sensor Based on Thin-Cladding Long Period Fiber Grating [D]. Chengdu: University of Electronic Science and Technology of China, 2008. 54-62.

[5] 邓传鲁, 顾铮天, 张江涛. 镀含弱吸收膜两层膜系长周期光纤光栅谐振特性及其优化 ［J］. 光学学报, 2009, 38(11): 2873-2879.

    Deng Chuanlu, Gu Zhengtian, Zhang Jiangtao. Resonant characteristics and optimization of long period fiber grating coated with weak absorption double-layer films ［J］. Acta Photonica Sinica, 2009, 38(11): 2873-2879.

[6] A Cusano, A Iadicicco, P Pilla, et al.. Coated long-period fiber gratings as high-sensitivity optochemical sensors ［J］. J Lightwave Technol, 2006, 24(4): 1776-1786.

[7] Z T Gu, Y P Xu, K Gao. Optical fiber long-period grating with solgel coating for gas sensor［J］. Opt Lett, 2006, 31(16): 2405-2407.

[8] 蒋秀丽, 顾铮天. 薄膜消光系数对镀膜长周期光纤光栅传输谱的影响［J］. 光学学报, 2010, 30(8): 2189-2195.

    Jiang Xiuli, Gu Zhengtian. Impact of thin film extinction coefficient on coated long-period fiber grating transmission spectrum ［J］. Acta Optica Sinica, 2010, 30(8): 2189-2195.

[9] I Del Villar, I R Matias, F J Arregui, et al.. Optimization of sensitivity in long period fiber gratings with overlay deposition ［J］. Opt Express, 2005, 13(1): 56-69.

[10] A Cusano, A Iadicicco, P Pilla, et al.. Mode transition in high refractive index coated long period gratings［J］. Opt Express, 2006, 14(1): 19-34.

[11] 于秀娟, 张敏, 王利威, 等. 镀高折射率纳米膜的长周期光纤光栅特性研究［J］. 光学学报, 2009, 29(10): 2665-2672.

    Yu Xiujuan, Zhang Min, Wang Liwei, et al.. Characteristics of long-period optical fiber grating with high refractive index nm-thick film overlay ［J］. Acta Optica Sinica, 2009, 29(10):2665-2672.

[12] P Pilla, C Trono, F Baldini, et al.. Giant sensitivity of long period gratings in transition mode near the dispersion turning point: an integrated design approach［J］. Opt Lett, 2012, 37(19): 4152-4154.

[13] 徐艳平, 顾铮天, 陈家壁. 表面膜层参数对长周期光纤光栅特性的影响 ［J］. 中国激光, 2005, 32(11): 1519-1524.

    Xu Yanping, Gu Zhengtian, Chen Jiabi. Effect of surface film optical parameters on the characteristic of long-period fiber grating ［J］. Chinese J Lasers, 2005, 32(11): 1519-1524.

[14] I Del Villar, I R Matias, F J Arregui. Influence on cladding mode distribution of overlay deposition on long-period fiber gratings ［J］. J Opt Soc Am A, 2006, 23(3): 651-658.

[15] T Erdogan. Cladding-mode resonance in short-and-long-period fiber grating filters ［J］. J Opt Soc Am A, 1997, 14(8): 1760-1773.

[16] Z T Gu, Y P Xu. Design optimization of a long-period fiber grating with sol-gel coating for a gas sensor ［J］. Meas Sci & Technol, 2007, 18(11): 3530-3536.