Effect of saturable response to two-photon absorption on the readout signal level of three-dimensional bit optical data storage in a photochromic polymer

被引：20

作者：

Gu, M

Amistoso, JO

Toriumi, A

Irie, M

Kawata, S

机构：

[1] Swinburne Univ Technol, Sch Biophys Sci & Elect Engn, Ctr Microphoton, Hawthorn, Vic, Australia

[2] Univ Philippines, Natl Inst Phys, Quezon 1101, Philippines

[3] Osaka Univ, Dept Appl Phys, Osaka 5650871, Japan

[4] Kyushu Univ, Dept Chem & Biochem, Fukuoka 8128521, Japan

来源：

APPLIED PHYSICS LETTERS | 2001年 / 79卷 / 02期

关键词：

D O I：

10.1063/1.1383999

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We observe a saturable change in the refractive index induced by two-photon absorption in a photochromic polymer, while the erasable nature of the polymer is maintained. As a result, the support region of spatial frequencies of the recorded data bits caused by the refractive index change in the polymer is enlarged. This feature leads to the significant enhancement of the signal level in a reflection confocal microscope readout system for three-dimensional photochromic bit optical data storage. (C) 2001 American Institute of Physics.

引用

页码：148 / 150

页数：3

共 16 条

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