Abstract
We describe a fast optical recording material based on a dye-doped polymer-dispersed
liquid-crystal film. A holographic grating is written in this film with a
single -switched Nd:YAG laser pulse that has a duration of . Such a grating is due to the reorientation effect of the liquid-crystal
molecules through interaction with the photoinduced adsorption of the doped
azo dyes. Experimental results indicate that the grating thus formed is permanent
but electrically switchable.
© 2001 Optical Society of America
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