Three-dimensional erasable optical memory using a photochromic diarylethene single crystal as the recording medium

被引：75

作者：

Fukaminato, T

Kobatake, S

Kawai, T

Irie, M

机构：

[1] Kyushu Univ, Dept Chem & Biochem, Grad Sch Engn, Higashi Ku, Fukuoka 8128581, Japan

[2] Japan Sci & Technol Corp, CREST, Higashi Ku, Fukuoka 8128581, Japan

来源：

PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES | 2001年 / 77卷 / 02期

关键词：

photochromism; diarylethene; single crystal; three-dimensional optical recording; confocal microscopy;

D O I：

10.2183/pjab.77.30

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Three-dimensional erasable optical recording in a single crystal of 1,2-bis(3-methyl-2-thienyl)perfluorocyclopentene (1), which shows a reversible fluorescence change with the photochromic reaction, has been demonstrated. The recorded spot size read by a fluorescence-detection method was approximately 200 nm in plane and 1.5 mum in depth, which corresponds to the recording density higher than 5 Tbit/cm(3). The recorded spots were erased by irradiation with visible light. The writing/reading/erasing cycle could be repeated more than 10(4) times.

引用

页码：30 / 35

页数：6

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