High-density optical data storage with one-photon and two-photon near-field fluorescence microscopy

被引：28

作者：

Shen, YZ ^{[1
]}

Swiatkiewicz, J

Jakubczyk, D

Xu, FM

Prasad, PN

Vaia, RA

Reinhardt, BA

机构：

[1] SUNY Buffalo, Dept Chem, Photon Res Lab, Buffalo, NY 14260 USA

[2] SUNY Buffalo, Dept Phys, Buffalo, NY 14260 USA

[3] USAF, Res Lab, Mat Directorate, Polymer Branch, Wright Patterson AFB, OH 45433 USA

来源：

APPLIED OPTICS | 2001年 / 40卷 / 06期

关键词：

D O I：

10.1364/AO.40.000938

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A spatially localized photochemical reaction induced by near-field femtosecond laser pulses is demonstrated on a nanometer scale and used for high-density optical data storage. Recorded domains down to 120 and 70 nm are obtained with one-photon and two-photon excitation, respectively. It is shown that the local-field confinement that is due to the quadratic dependence of two-photon excitation on light intensity has the potential to increase the near-field optical storage density. (C) 2001 Optical Society of America. OCIS codes: 210.0210, 350.3450, 180.2520.

引用

页码：938 / 940

页数：3

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