Title :
A two dimensional diffraction grating incorporating a variable grating mode (VGM) liquid crystal device (LCD)
Author_Institution :
Paisley Coll. of Technol., UK
Abstract :
The variable grating mode (VGM) effect which some nematic liquid crystal materials display is considered. An investigation is described which was initiated by a desire to see if a truly DC effect could be produced and at what orientation the grating `rolls´ could actually be observed. It was possible to produce phase grating patterns both parallel to and perpendicular to the cell alignment direction and, on selected occasions, simultaneously both
Keywords :
diffraction gratings; liquid crystal devices; 2D; DC effect; diffraction gratings; liquid crystal device; nematic liquid crystal; parallel; perpendicular; phase grating patterns; two dimensional diffraction grating; variable grating mode;
Conference_Titel :
Holographic Systems, Components and Applications, 1989., Second International Conference on
Conference_Location :
Bath
