supported by the National Natural Science Foundation of China (No.60777035);the Scientific Research Key Project Fund of the Ministry of Education (No.208040);the Shanghai Leading Academic Discipline Project (No.T0501)
The gas-sensitive film coated π-phase-shifted long-period fiber grating(LPFG),consisting of two same long-period fiber gratings cascaded by a regular fiber with length of half of the grating period,is proposed for ga...
This work was supported by the National Natural Science Foundation(No.60777035);the Scientific Research Key Project Fund of Ministry of Education(No.208040);the Research Project of Education Committee of Shanghai(No.07ZZ87);Shanghai Leading Academic Discipline Project(No.T0501).
A novel composite model is put forward for humidity-sensitive material based on Maxwell-Garnett and effective medium theory. The analytical expression of the relation between effective refractive index and relative hu...