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In this paper,we demonstrate an alternative approach to fabricating an electrically tunable holographic polymer templated blue phase liquid crystal grating.This grating is obtained by preforming a polymer template comprised of periodic fringes,and then refilling it with a blue phase liquid crystal.Compared with conventional holographic polymer dispersed liquid crystal gratings,our grating can remarkably reduce its switching voltage from 200 V to 43 V while maintaining a sub-millisecond response time.The holographic polymer templated blue phase liquid crystal(HPTBPLC) grating is free from electrode patterning,thus leading to a lower cost and more flexible applications.
In this paper, we demonstrate an alternative approach to fabricating an electrically tunable holographic polymer templated blue phase liquid crystal grating. This grating is obtained by preforming a polymer template composed of periodic fringes, and then refilling it with a blue phase liquid crystal. Compared with conventional holographic polymer dispersed liquid crystal gratings, our grating can remarkably reduce its switching voltage from 200 V to 43 V while maintaining a sub-millisecond response time. The holographic polymer templated blue phase liquid crystal (HPTBPLC) grating is free from electrode patterning, thus leading to a lower cost and more flexible applications.