Proceedings PaperRecent Laser Scanning Technology In Optical Information Systems
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Laser scanning technology is a key technology in optical information systems such as optical disc storage and laser beam printers. Higher speed and higher resolution are always requested. In laser beam printers,dual beam laser scanning with a rotationally asymmetric aspheric surface is introduced to achieve these requirements. In optical disc systems, the mechanical actuator is eliminated and an electronically controlled surface acoustic wave (SAW) deflector is introduced.