We investigated optically controllable gray-level diffraction from a body-centered tetragonal photonic crystal that was based on an azo-dye-doped holographic polymer dispersed liquid crystal. The sample is fabricated ...
Supported by the National Natural Science Foundation of China under Grant No 10574031;Committee of Science and Technology of Shanghai(No 11ZR1403600).
Using the simple treatments of back refilling and subsequent annealing above the clear point of the liquid crystal,the self ordering of liquid crystal molecules is observed in a holographic polymer dispersed liquid cr...