Title :
Formation of temperature dependent holographic polymer-dispersed liquid crystal grating using spatial light modulator
Author :
Ogiwara, Akifumi
Author_Institution :
Dept. of Electron. Eng., Kobe City Coll. of Technol., Kobe, Japan
fDate :
Oct. 30 2011-Nov. 2 2011
Abstract :
A holographic polymer dispersed liquid crystal (HPDLC) based microperiodic structure is fabricated by a photo-induced phase separation technique using LC composites with different physical properties, such as refractive indices and clearing points. The holographic image is recorded in the HPDLC grating by a spatial light modulator (SLM). The fabricated HPDLC grating presents a holographic image reconstruction using the thermal modulation of diffraction induced at the threshold temperature decided by the nematic-isotropic transition of LCs.
Keywords :
holographic gratings; liquid crystal phase transformations; nematic liquid crystals; periodic structures; phase separation; polymer dispersed liquid crystals; refractive index; spatial light modulators; clearing points; diffraction; holographic image; holographic image reconstruction; microperiodic structure; nematic-isotropic transition; photoinduced phase separation; refractive index; spatial light modulator; temperature dependent holographic polymer-dispersed liquid crystal grating; thermal modulation; Materials;
Conference_Titel :
Microopics Conference (MOC), 2011 17th
Conference_Location :
Sendai
Print_ISBN :
978-1-4577-1344-6
