Investigation of vibrational contribution to nonlinear properties of NH4HSeO4 crystals

被引：0
|
作者：
Czapla, Z
Karpov, S
Lebedeva, E
Pirozerski, A
Timofeev, K
机构：
[1] Univ Wroclaw, Inst Expt Phys, PL-50204 Wroclaw, Poland
[2] St Petersburg State Univ, Inst Phys, St Petersburg 198904, Russia
来源：
SOLID STATE COMMUNICATIONS | 1999年 / 112卷 / 09期
关键词：
ferroelectrics; optical properties; photoconductivity and photovoltaics; nonlinear optics;
D O I：
10.1016/S0038-1098(99)00280-X
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The nonlinear optical properties of NH4HSeO4 (AHSe) crystals have been investigated using different experimental methods, such as nonstationary photovoltaic and Raman spectroscopy. Increase of the components of the nonlinear optic susceptibility tensor have been found in the infrared region of the spectrum. An essential contribution of vibrational resonances to the nonlinear optical properties has been established. (C) 1999 Elsevier Science Ltd. All rights reserved.
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页码：531 / 533
页数：3
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