[1] |
KUTZ J N, EGGLETON B J, STARK J B, et al. Nonlinear pulse propagation in long period fiber gratings:theory and experiment[J]. IEEE Journal of Selected Topics in Quantum Electronics, 1997, 3(5):1232-1244. |
[2] |
HE D D, LIU M, JIAN D, et al. Study on loss in hollow-core photonic bandgap fibers [J]. Laser Technology, 2013,37(2):243-246(in Chinese). |
[3] |
LIU Z H, ZHENG Y. Experimental study about the cavity of Yb3+ -doped photonic crystal fiber laser[J]. Laser Technology, 2014, 38(1):105-108(in Chinese). |
[4] |
YU X, SHUM P, REN G B. Highly sensitive photonic crystal fiber-based refractive index sensing using mechanical long-period grating[J]. IEEE Photonics Technology Letters, 2008, 20(17): 1688-1690. |
[5] |
DENG M, SUN X K, WEI H F, et al. photonic crystal fiber-based modal interferometer for refractive index sensing [J]. IEEE Photonics Technology Letters, 2014, 26(6): 531-534. |
[6] |
WEN K, PENG H, WANG J Y, et al. Finite element analysis of a novel weak-pressure sensor based on fiber Bragg grating in photonic crystal fibers[J]. Optical Engineering, 2009, 48(3): 034402. |
[7] |
JIN L, JIN W, JU J. Directional bend sensing with a CO2-laser-inscribed long period grating in a photonic crystal fiber[J]. Journal of Lightwave Technology, 2009, 27(21): 4884-4891. |
[8] |
WANG Y P, RAO Y J. A novel long period fiber grating sensor measuring curvature and determining bend-direction simultaneously [J]. IEEE Sensors Journal, 2005, 5(5): 839-843. |
[9] |
SHAO L Y, XIONG L Y, CHEN Ch K, et al. Directional bend sensor based on re-grown tilted fiber Bragg grating[J]. Journal of Lightwave Technology, 2010, 28(18): 2681-2687. |