Non-steady-state photoelectromotive force in reduced lithium niobate crystals

被引：12
|
作者：
Veenhuis, H [1 ]
Buse, K
Krätzig, E
Korneev, N
Mayorga, D
机构：
[1] Univ Osnabruck, Fachbereich Phys, D-49069 Osnabruck, Germany
[2] INAOE, Puebla 72000, Mexico
来源：
JOURNAL OF APPLIED PHYSICS | 1999年 / 86卷 / 05期
关键词：
D O I：
10.1063/1.371065
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Non-steady-state photocurrents are generated in reduced iron-doped lithium niobate crystals. Dependences on spatial frequency and on modulation amplitude are well described by the existing theory and a Debye screening length of 19 nm is determined. The non-steady-state photocurrents strongly decrease for frequencies above 2 Hz. The technique might be useful for material characterization and for convenient active stabilization of holographic setups against mechanical vibrations. (C) 1999 American Institute of Physics. [S0021-8979(99)04017-7].
引用
收藏
页码：2389 / 2392
页数：4
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