Jpn. J. Appl. Phys. 39 (2000) pp. 968-972 |Next Article| |Table of Contents|
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Near-Field Phase Change Optical Recording Using a GaP Hemispherical Lens
Kusato Hirota1,
Tom D. Milster2,
Kei Shimura3,
Yan Zhang2 and
Joshua S. Jo2
1Electronic and Imaging Materials Research Laboratories,
Toray Industries Inc., 1–1–1 Sonoyama, Otsu 520, Japan
2Optical Science Center/Optical Data Storage Center,
University of Arizona, Tucson Arizona 85721, USA
3MML Corporate R and D Center, Toshiba Corporation, 1, Komukai,
Toshiba-Cho, Saiwai-Ku, Kawasaki 210-8582, Japan
(Received August 26, 1999; accepted for publication October 18, 1999)
A GaP solid immersion lens and a modified liquid immersion
lens (MLIL) are studied. The phase change marks exhibit a
diameter of approximately 200 nm when recorded by the MLIL.
KEYWORDS:
optical data storage, near-field optics, near-field
recording, super resolution, GaP lenses, vector diffraction
URL:
http://jjap.ipap.jp/link?JJAP/39/968/
DOI: 10.1143/JJAP.39.968
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