Self-excitation of space charge waves

被引：23

作者：

Lyuksyutov, SF

Buchhave, P

Vasnetsov, MV

机构：

[1] Technical University of Denmark, Lyngby, 2800

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.79.67

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a direct observation of space charge waves in photorefractive crystals with point group 23 (sillenites) based on their penetration into an area with uniform light illumination. It is shown experimentally that the quality factor of the waves increases substantially with respect to what current theory predicts [B. Sturman el al., Appl. Phys. A 55, 235 (1992)]. This results in the appearance of strong spontaneous beams caused by space charge wave self-excitation.

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页码：67 / 70

页数：4

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