Title :
Multi-layered optical data storage in a polymer-dispersed liquid crystal material under two-photon excitation
Author :
Min Gu ; McPhail, D.K. ; Smallridge, A.
Author_Institution :
Sch. of Biophys. Sci. & Electr. Eng., Swinburne Univ. of Technol., Hawthorn, Vic., Australia
Abstract :
We present the results of using polymer-dispersed liquid crystal for three-dimensional bit optical data storage based on its two-photon induced polarisation sensitivity. A bit density of 23.5 Gbits/cm/sup 3/ and complete erasure of the data via ultra-violet illumination were achieved.
Keywords :
fluorescence; light polarisation; liquid crystal devices; optical multilayers; optical storage; polymer dispersed liquid crystals; two-photon processes; bit density; complete data erasure; director alignment; fluorescence intensity; high storage densities; multilayered optical data storage; polarisation sensitivity; polymer-dispersed liquid crystal; three-dimensional storage; two-photon excitation; ultraviolet illumination; Biomedical optical imaging; Crystalline materials; Fluorescence; Lighting; Liquid crystal polymers; Memory; Optical materials; Optical polarization; Optical polymers; Optical sensors;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.971180
