Nonlinear interactions of space charge waves in photorefractive sillenites

被引：0
|
作者：
Petrov, MP [1 ]
Bryksin, VV [1 ]
Rahe, F [1 ]
Vogt, H [1 ]
Rüter, CE [1 ]
Krätzig, E [1 ]
机构：
[1] Russian Acad Sci, Physico Tech Inst, St Petersburg 194021, Russia
来源：
Photorefractive Effects, Materials, and Devices, Proceedings Volume | 2003年 / 87卷
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of overall rectification and second harmonic generation of space charge waves (SCW) were reliably detected in photorefractive sillenites. Overall rectification causes variations of the DC current flowing in a circuit containing a photorefractive crystal and a voltage source when space charge waves are excited in the crystal. In the experiments, the variations in the DC current reached up to 25 %. Second-harmonic generation is detected by diffraction of a probe beam from the,rating with doubled spatial frequency.
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页码：268 / 274
页数：7
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