Title :
Red-light high density optical pickup employing annular binary phase filter
Author :
Junjie, Yu ; Changhe, Zhou ; Wei, Wang ; Wei, Jia
Author_Institution :
Inf. Opt. Lab., Chinese Acad. of Sci., Shanghai, China
Abstract :
The effect of annular binary phase filters (BPF) on red-light high density optical disk system is investigated. Experimental results show that optical pickups with the BPF of 130 nm etching depth can successfully read out 15 G byte disks.
Keywords :
etching; optical disc storage; optical filters; annular binary phase filters; depth 130 nm; etching; focal plane; optical disk storage system; optical pickups; red-light high density optical disk system; side-lobe intensity ratio; Band pass filters; DVD; Diode lasers; Etching; Information filtering; Information filters; Lenses; Optical feedback; Optical films; Optical filters; Binary-phase filters; Optical pickup; Storage capability; Superresolution;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292281