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author:

庄乃锋 (庄乃锋.) [1] | 赵斌 (赵斌.) [2] | 胡晓琳 (胡晓琳.) [3] | 陈晶玲 (陈晶玲.) [4] | 高绍康 (高绍康.) [5] | 陈建中 (陈建中.) [6]

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Abstract:

采用提拉法(Czochralski)生长出优质的GdVO4和Yb:GdVO4晶体,其中纯GdVO4晶体具有较高的透过率,可达81%.晶体在室温下的偏振吸收光谱与非偏振荧光光谱表明,Yb:GdVO4晶体是一种具有较大的吸收半峰宽和荧光半峰宽的激光晶体,分别为44~52nm和40~46nm;随着掺杂浓度增大,π偏振吸收系数呈现饱和趋势,且荧光峰的位置出现了红移.此外,还采用Nd:YAG激光器测试了晶体的激光损伤阈值,实验表明,随着Yb3+掺杂浓度从4.1at%增加到22.9at%,激光损伤阈值也相应地从19.9×109W/cm2逐渐减小到2.79×109W/cm2.

Keyword:

偏振吸收光谱 提拉法 激光二极管 激光损伤阈值 激光晶体 荧光光谱 钒酸钆晶体

Community:

  • [ 1 ] 福州大学化学化工学院,福州,350002

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Source :

人工晶体学报

ISSN: 1000-985X

Year: 2004

Issue: 5

Volume: 33

Page: 770-775

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 2

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