Title :
Optical disk tester using 680 nm laser head
Author_Institution :
R&D Div., Pulstec Ind. Co. Ltd., Japan
Abstract :
Laser beam diameter size as small as 1.05 μm×1.00 μm was attained at the disk recording surface. This makes it possible to trace a narrow track less than 1.1 μm from a next generation optical disk. The 5-step optical power control is also valid for high density data recording
Keywords :
measurement by laser beam; optical disc storage; optical testing; 1.00 mum; 1.05 mum; 1.1 mum; 680 nm; disk recording surface; high density data recording; laser head; narrow track; optical disk tester; optical power control; Diode lasers; Disk recording; Frequency; High speed optical techniques; Lenses; Optical recording; Optical signal processing; RF signals; Semiconductor diodes; Testing;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 1994. IMTC/94. Conference Proceedings. 10th Anniversary. Advanced Technologies in I & M., 1994 IEEE
Conference_Location :
Hamamatsu
Print_ISBN :
0-7803-1880-3
DOI :
10.1109/IMTC.1994.352186
