Optical pickup for high-speed writer using multibeam laser diode

Hideo Owa; Koichiro Ogihara; Kazumi Munekata; Shinji Yamada; Teruhito Noshiro; Shigeru Yamazaki; Osamu Adachi; Keigo Aga; Masaaki Masuda; Kazuhiro Sato; Mikio Sugiki

doi:10.1117/12.532425

16 September 2003 Optical pickup for high-speed writer using multibeam laser diode

Hideo Owa, Koichiro Ogihara, Kazumi Munekata, Shinji Yamada, Teruhito Noshiro, Shigeru Yamazaki, Osamu Adachi, Keigo Aga, Masaaki Masuda, Kazuhiro Sato, Mikio Sugiki

Author Affiliations +

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.532425
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

Abstract

We have developed an optical pick up with multi beam laser diode (LD). Multi beam LD has three emitters and individual emitter can control independently. Primary experiment for parallel recording has done and acceptable results for Power Margin, Tilt Margin, Defocus smargin and Detrack margin have measured. After than, possibility of double speed recording has confirmed by dual beam recording method.

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Hideo Owa, Koichiro Ogihara, Kazumi Munekata, Shinji Yamada, Teruhito Noshiro, Shigeru Yamazaki, Osamu Adachi, Keigo Aga, Masaaki Masuda, Kazuhiro Sato, and Mikio Sugiki "Optical pickup for high-speed writer using multibeam laser diode", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.532425

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