Optical recording of reversed domains in a Ce-doped SBN:75 crystal for bit-oriented three-dimensional optical memory

被引：16

作者：

Hisaka, M ^{[1
]}

Ishitobi, H ^{[1
]}

Kawata, S ^{[1
]}

机构：

[1] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2000年 / 17卷 / 03期

关键词：

D O I：

10.1364/JOSAB.17.000422

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We developed a bit-oriented three-dimensional recording with a Ce-doped Sr0.75Ba0.25Nb2O6 (SBN:75) crystal. The ferroelectric polarization was reversed by a focused laser beam in a crystal with a temperature of 38 degrees C to form bit data. The recorded domain was stable at 15 degrees C. The data were read as the refractive-index change induced by spontaneous polarization through the Pockels effect. We wrote a single datum in SBN:75 crystal with ferroelectric-domain reversal and observed the domain image with a phase-contrast microscope. Numerical calculations to estimate the domain image were also performed. The observed results were in good agreement with the numerical expectations. (C) 2000 Optical Society of America [S0740-3224(00)00303-9] OCIS codes: 210.4770, 160.5320, 160.2260, 210.4810, 210.4680, 190.5330.

引用

页码：422 / 426

页数：5

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