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...