Two-step holographic recording in photorefractive lithium niobate crystals using ultrashort laser pulses

被引：5
|
作者：
Noelleke, C. [1 ]
Imbrock, J. [1 ]
Denz, C. [1 ]
机构：
[1] Univ Munster, Inst Angew Phys, D-48149 Munster, Germany
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 2009年 / 95卷 / 03期
关键词：
HIGH LIGHT INTENSITIES; ELECTROOPTIC CRYSTALS; TANTALATE CRYSTALS; GRATING FORMATION; SMALL POLARONS; CW LASERS; STORAGE; LINBO3; DEPENDENCE; TRANSPORT;
D O I：
10.1007/s00340-009-3495-y
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate non-volatile holographic data storage in photorefractive lithium niobate crystals. Infrared picosecond laser pulses are used to write holograms after sensitizing the crystal with blue light from a cw-laser. The dependence of the dynamic range and the photoconductivity on the pulse intensities and the recording wavelength is investigated in detail. The results can be explained by a two-center model if the mean intensity of the laser pulses is considered. We demonstrate that several fixed holograms can be multiplexed by employing the wavelength multiplexing technique.
引用
收藏
页码：391 / 397
页数：7
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