Electrically tunable holographic polymer templated blue phase liquid crystal grating*
He Zheng-Honga),b), Chen Chao-Pinga)†, Zhu Ji-Lianga), Yuan Ya-Chaoa), Li Yana)‡, Hu Weia), Li Xiaoa), Li Hong-Jinga), Lu Jian-Ganga), Su Yi-Kaia)
       
Experimental results for the first-order diffraction efficiencies of HPDLC grating (triangles) and the HPTBPLC grating (squares), respectively.