Study on improving the performance of the refractive index sensor based on long-period waveguide gratings

Zi-hao WANG; Li YANG

[1] Patrick H J,Kersey A D,Bucholtz F. Analysis of the response of long period fiber gratings to external index of refraction [J].IEEE JLT.,1998,16(9): 1606-1612.

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

[3] Yang Jian,Yang Li,et al. Long-period grating refractive index sensor with a modified cladding structure for large operational range and high sensitivity [J].Appl. Opt.,2006,45(24): 6142-6147.

[4] Yang Jian,et al. Optimization of cladding structure modified long-period grating refractive index sensors [J].IEEE/OSA Journal of Lightwave Technology,accepted.

[5] Qing Liu,Kin Seng Chiang,Vipul Rastogi. Analysis of corrugated long-period gratings in slab waveguides and their polarization dependence [J].J. Lightwave Technology,2003,21(12): 3399-3405.

[7] Snyder A W,Love J D. Optical Waveguide Theory [M].New York: Chapman and Hall,1983.

[8] Yariv A. Optical Electronics in Modern Communications [M].Electronics Industry Press,2002.9.