LD激发的ZnWO4:Er3+晶体上转换发光

doi:10.7517/j.issn.1674-0475.1998.02.127

影像科学与光化学 ›› 1998, Vol. 16 ›› Issue (2): 127-131.DOI: 10.7517/j.issn.1674-0475.1998.02.127

LD激发的ZnWO₄:Er³⁺晶体上转换发光

臧竞存¹, 刘燕行¹, 陈晓波², 郝昭², 王维钦³, 叶建平³

1. 北京工业大学化学与环境工程学系, 北京100022;
2. 南开大学物理系, 天津300071;
3. 中国科学院感光化学研究所, 北京100101

收稿日期:1997-07-08 修回日期:1997-11-18 出版日期:1998-05-20 发布日期:1998-05-20
通讯作者: 臧竞存
基金资助:
中国科学院光化学开放实验室基金

UPCONVERSION FLUORESCENCE IN ZnWO₄:Er³⁺ CRYSTAL BY LD EXCITED

ZANG Jingcun¹, LIU Yanhang¹, CHEN Xiaobo², HAO Zhao², WANG Weiqin³, YIE Jianping³

1. Department of Chemical and Environmental Engineering, Beijing Polytechnic University, Beijing 100022, P. R. China;
2. Department of Physics Nankai University, Tianjin 300071, P. R. China;
3. Institute of Photographic Chemistry, The Chinese Academy of Sciences, Beijing 100101, P. R. China

Received:1997-07-08 Revised:1997-11-18 Online:1998-05-20 Published:1998-05-20

摘要/Abstract

摘要： 采用Czochralski法生长出ZnWO₄:Er³⁺(Er=0.02mol)单晶,测量了吸收光谱和激发光谱。在波长966nm功率500mW的激光二极管(LD)激发下观察到上转换发光。强度最大的发射峰位于547和558nm,发射光谱分析表明,上转换激发过程与双光子步进吸收有关。

关键词: ZnWO₄:Er³⁺晶体, 上转换发光, LD泵浦

Abstract: Single crystals of ZnWO₄: Er³⁺(Er:0.02 mol) have been grown by the Czochralski method and their absorption and excitation spectra are measured. It is observed that the up conversion luminescence phenomenon in the crystals by laser diode(LD)excited with 500 mW power at 966 nm wavelength. The most strong fluorescence intensity are occurred at 547 and 558 nm wavelength. Studies on emission spectra shown that the excitation process of upconversion luminescence relatives to the stepwise two photon absorption.

Key words: single crystal, up-conversion luminescence, laser diode

臧竞存, 刘燕行, 陈晓波, 郝昭, 王维钦, 叶建平. LD激发的ZnWO₄:Er³⁺晶体上转换发光[J]. 影像科学与光化学, 1998, 16(2): 127-131.

ZANG Jingcun, LIU Yanhang, CHEN Xiaobo, HAO Zhao, WANG Weiqin, YIE Jianping. UPCONVERSION FLUORESCENCE IN ZnWO₄:Er³⁺ CRYSTAL BY LD EXCITED[J]. Imaging Science and Photochemistry, 1998, 16(2): 127-131.

LD激发的ZnWO₄:Er³⁺晶体上转换发光

UPCONVERSION FLUORESCENCE IN ZnWO₄:Er³⁺ CRYSTAL BY LD EXCITED

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