Title :
A tunable concave microlens with hybrid alignment in liquid crystal
Author :
Cheng, Chih-Cheng ; Chang, C. Alex ; Yeh, J. Andrew
Author_Institution :
Inst. of MicroElectroMech. Syst., Nat. Tsing Hua Univ., Hsinchu
Abstract :
A tunable concave LC microlens was demonstrated by micro-imprinting vertical alignment polyimide on a horizontal alignment layer. The microlens functions concave and its focal length is electrically controllable
Keywords :
gradient index optics; liquid crystals; microlenses; optical fabrication; optical polymers; GRIN; hybrid alignment; micro-imprinting; microlens function; polyimide; tunable concave liquid crystal microlens; Indium tin oxide; Lenses; Liquid crystal polymers; Liquid crystals; Microelectromechanical systems; Microoptics; Polarization; Polyimides; Testing; Voltage;
Conference_Titel :
Optical MEMS and Their Applications Conference, 2005. IEEE/LEOS International Conference on
Conference_Location :
Oulu
Print_ISBN :
0-7803-9278-7
DOI :
10.1109/OMEMS.2005.1540144