10 Gb/in.2 MO disk using blue laser

K. Kawase; Yoshihiro Muto; Kazunori Yamaguchi; N. Ando; Yasuaki Maeda; Masahiro Yamada; Masayoshi Kanno

doi:10.1117/12.399359

18 September 2000 10 Gb/in.² MO disk using blue laser

K. Kawase, Yoshihiro Muto, Kazunori Yamaguchi, N. Ando, Yasuaki Maeda, Masahiro Yamada, Masayoshi Kanno

Proceedings Volume 4090, Optical Data Storage 2000; (2000) https://doi.org/10.1117/12.399359
Event: Optical Data Storage, 2000, Whistler, BC, Canada

Abstract

We studied a high areal density recording using a conventional disk on a blue MO system. To increase the areal density, we used mainly three techniques. First, we reduced a disk noise by UV irradiation. Second, we made CNR higher by adjusting the thickness of a metal layer to control the thermal conductivity. Third, we adopted an optical phase shift method for land and groove recording to increase the track density. Using these techniques on an optical pick-up with a 407 nm-Kr laser and a 0.6-NA objective lens, practical system margins were obtained at a 10 Gbit/inch² areal density.

Citation Download Citation

K. Kawase, Yoshihiro Muto, Kazunori Yamaguchi, N. Ando, Yasuaki Maeda, Masahiro Yamada, and Masayoshi Kanno "10 Gb/in.² MO disk using blue laser", Proc. SPIE 4090, Optical Data Storage 2000, (18 September 2000); https://doi.org/10.1117/12.399359

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available