Nonlinear interaction of moving space-charge and photoconductivity gratings in Bi12SiO20 crystal

被引：3

作者：

Bryushinin, MA ^{[1
]}

机构：

[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia

来源：

TECHNICAL PHYSICS | 2004年 / 49卷 / 08期

关键词：

D O I：

10.1134/1.1787661

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A nonlinear interaction of moving space-charge and photoconductivity gratings is experimentally investigated. In the presence of a dc electric field, a crystal is irradiated with an oscillating interference pattern with a spatial frequency K and an oscillation frequency omega. An ac electric field with a frequency Omega is also applied to the sample. At certain frequencies omega and Omega , the crystal exhibits two types of interacting oscillations: the space-charge grating moving with velocity \omega - Omega\/K and the photoconductivity grating moving with velocity -omega/K. The effect is studied using the method of the nonstationary photoelectromotive force in a photorefractive Bi12SiO20 crystal. (C) 2004 MAIK "Nauka / Interperiodica".

引用

页码：1016 / 1020

页数：5

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