CHARACTERIZATION OF PHOTOREFRACTIVE LINBO3 WAVE-GUIDES FABRICATED BY COMBINED PROTON AND COPPER EXCHANGE

被引：17
|
作者：
RICKERMANN, F [1 ]
KIP, D [1 ]
GATHER, B [1 ]
KRATZIG, E [1 ]
机构：
[1] UNIV OSNABRUCK,FACHBEREICH BIOL CHEM,D-49069 OSNABRUCK,GERMANY
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1995年 / 150卷 / 02期
关键词：
D O I：
10.1002/pssa.2211500220
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photorefractive planar waveguides in LiNbO3 are fabricated by a combined proton and copper exchange. The dependence of refractive index profiles, optical absorption, and electrooptic coefficients on different fabrication steps is investigated. With holographic methods dark and photoconductivity, holographic sensitivity, and light-induced refractive index change in the waveguides are measured. By the additional copper exchange the steady state diffraction efficiency of holographic gratings in our proton-exchanged waveguides is increased from 0.01 to 65%.
引用
收藏
页码：763 / 772
页数：10
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