Growth and characterization of Nd-doped SBN single crystal fibers

被引：9
|
作者：
Romero, JJ [2 ]
Andreeta, MRB
Andreeta, ERM
Bausá, LE
Hernandes, AC
Solé, JG
机构：
[1] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil
[2] Univ Autonoma Madrid, Dept Fis Mat, E-28049 Madrid, Spain
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2004年 / 78卷 / 07期
关键词：
D O I：
10.1007/s00339-003-2151-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The growth from ceramic pedestals of single crystal fibers of strontium barium niobate (SBN), doped with different Nd concentrations, was studied. High-quality fibers were grown for Nd doping levels of up to 4.2 at. %, and doping levels as high as 9.9 at. % were reached. No signs of core effects were observed, even for the highest concentration samples. The emission spectra of Nd3+ ions in the fibers did not differ from those obtained from bulk SBN crystals, showing very broad bands due to the typical disorder of the crystallographic tungsten-bronze structure. Fluorescence quenching was clearly observed for Nd doping levels above 2 at. %.
引用
收藏
页码：1037 / 1042
页数：6
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