[1] [1] Wang Jiuling, Rao Yunjiang, Zhu Tao. High-temperature and strain characteristics of long period grating with asymmetric refractive index profile in the cross section of fiber[J]. Chinese J. Lasers, 2007, 34(3): 389～392

[2] [2] Wang Ruokun, Rao Yunjiang, Zhu Tao et al.. Polarization-dependent loss of long-period fiber grating fabricated by dual-side exposure method[J]. Acta Optica Sinica, 2007, 27(8): 1409～1413

[3] [3] Zhao Hongxia,Bao Jilong,Chen Ying. Effect of bending curvature on transmission spectra of long period fiber gratings[J]. Chinese J. Lasers, 2008, 35(5): 722～725

[4] [4] Mini Das, K. Thyagarajan. Dispersion compensation in transmission using uniform long period fiber gratings[J]. Opt. Commun., 2001,190:159～163

[5] [5] Li Bin, Tan Zhongwei, Liu Yan et al.. The dispersion of fiber gratings can be tunable by using nonuniform copper plating technology[J]. Acta Optica Sinica, 2007, 27(12): 2133～2138

[6] [6] Seungin Baek, Sookyoung Roh, Yoonchan Jeong et al.. Experimental demonstration of enhancing pump absorption rate in cladding-pumped ytterbium-doped fiber lasers using pump-coupling long-period fiber gratings[J]. IEEE Photon. Technol. Lett., 2006,18(5): 700～702

[7] [7] R. Falate, R.C. Kamikawachi, M. M¨uller et al.. Fiber optic sensors for hydrocarbon detection[J]. Sensors and Actuators. B, 2005, 105: 430～436

[8] [8] Miroslav Chomát, Daniela Berková, Filip Todorov et al.. Bend sensing with long-period fiber gratings in capillaries embedded in structures[J]. Sensors and Actuators. C, 2008, 28: 716～721

[9] [9] A. M. Vengsarkar, P. J. Lemaire, L. B. Judkins et al.. Long-period fiber gratings as band-rejection filters[J]. J. Lightwave Technol., 1996,14(1): 58～65

[10] [10] Turan Erdogan. Fiber grating spectra[J]. J. Lightwave Technol., 1997,15(8):1277～1294

[11] [11] D. B. Stegall, T. Erdogan. Dispersion control with use of long-period fiber gratings[J]. J. Opt. Soc. Am. A, 2000,17(2):304～312

[12] [12] Turan Erdogan. Cladding-mode resonances in short- and long- period fiber grating filters[J]. J. Opt. Soc. Am. A, 1997,14(8):1760～1773

[13] [13] Turan Erdogan. Cladding-mode resonances in short- and long-period fiber grating filters: errata[J]. J. Opt. Soc. Am. A, 2000,17(11):2113～2113

[14] [14] Xu Xinhua, Cui Yiping. Theoretical analysis and numerical calculation for the transmission spectrum of long-period fiber gratings with a rectangular index modulation[J]. Acta Physica Sinica, 2003,52(1):96～101

[15] [15] Zheng Kai, Pei Li, Jian Shuisheng. Research on the characteristics of long-period fiber grating ultraviolet-written by amplitude mask[J]. Acta Optica Sinica, 2004,24(7):903～906

[16] [16] M. Douay, W. X. Xie, T. Taunay et al.. Densification involved in the UV-based photosensitivity of silica glasses and optical fibers[J]. J. Lightwave Technol., 1997,15(8):1329～1342