Second harmonic generation in laser ablated zinc oxide thin films

被引：174
|
作者：
Cao, H [1 ]
Wu, JY [1 ]
Ong, HC [1 ]
Dai, JY [1 ]
Chang, RPH [1 ]
机构：
[1] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA
来源：
APPLIED PHYSICS LETTERS | 1998年 / 73卷 / 05期
关键词：
D O I：
10.1063/1.121859
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have observed large second-order nonlinear optical response from zinc oxide (ZnO) thin films deposited on sapphire substrates by pulsed laser ablation. By comparing the second harmonic signal generated in a series of ZnO films with different crystallinity and thickness, we conclude that a significant part of the second harmonic signal is generated at the grain boundaries and interfaces. (C) 1998 American Institute of Physics.
引用
收藏
页码：572 / 574
页数：3
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