Title :
Tracking Servo Method for the Gap Servo Near Field Optical Storage Systems
Author :
Seo, Jeong-Kyo ; Lee, Jeong Uk ; Shin, Yun Sup ; Park, Jin-Moo ; Choi, In Ho ; Kim, Jin-Yong
Author_Institution :
Digital Storage Res. Lab., LG Electron., Kyunggi-Do
Abstract :
We presented new possible method of track error generation for the gap servo near field optical storage systems. By using 2-divided photodetector for the gap error signal detection, DC offset in track error signal generated from lens movement could be eliminated
Keywords :
optical storage; photodetectors; servomechanisms; gap servo near field optical storage systems; photodetector; track error generation; track error signal; tracking servo method; Actuators; DC generators; DVD; Lenses; Optical beams; Optical recording; Optical surface waves; Servomechanisms; Signal detection; Tellurium;
Conference_Titel :
Optical Data Storage Topical Meeting, 2006
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-9494-1
DOI :
10.1109/ODS.2006.1632712
