Optical pickup using integrated optical unit for Blu-ray disc

Makoto Horiyama; Yasunori Kanazawa; Nobuo Ogata; Sumito Nishioka; Takahiro Miyake; Yasuo Nakata; Yukio Kurata

doi:10.1117/12.685169

22 June 2006 Optical pickup using integrated optical unit for Blu-ray disc

Makoto Horiyama, Yasunori Kanazawa, Nobuo Ogata, Sumito Nishioka, Takahiro Miyake, Yasuo Nakata, Yukio Kurata

Proceedings Volume 6282, Optical Data Storage 2006; 62820A (2006) https://doi.org/10.1117/12.685169
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

A newly optical pickup using integrated optical unit (IOU) which can detect spherical aberration error signal (SAES) and control light intensity distribution is described. In this IOU, the SAES is detected by hologram and light intensity distribution is controlled by grating. In addition, spherical aberration (SA) servo for a dual-layer Blu-ray disc is demonstrated by using this SAES.

Citation Download Citation

Makoto Horiyama, Yasunori Kanazawa, Nobuo Ogata, Sumito Nishioka, Takahiro Miyake, Yasuo Nakata, and Yukio Kurata "Optical pickup using integrated optical unit for Blu-ray disc", Proc. SPIE 6282, Optical Data Storage 2006, 62820A (22 June 2006); https://doi.org/10.1117/12.685169

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