LOCAL ACTIONS OF REAR EARTH Yb ANDTm IN GLASS CERAMICS USEDAS LASER UPCONVERSION

KONG Xianggui; XU Wu; CHEN Bacjiu; HUANG Shihua; FAN Xiwu

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LOCAL ACTIONS OF REAR EARTH Yb ANDTm IN GLASS CERAMICS USEDAS LASER UPCONVERSION

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- LOCAL ACTIONS OF REAR EARTH Yb ANDTm IN GLASS CERAMICS USEDAS LASER UPCONVERSION
- Chinese Journal of Luminescence Vol. 20, Issue 4, Pages: 305-310(1999)
- 作者机构：
  
  1. 中国科学院激发态物理开放研究实验室,吉林长春,130021
  2. 中国科学院长春物理研究所,吉林长春,130021
- 作者简介：
- 基金信息：
- DOI：
  CLC： O437.3
- Received：25 September 1998，
  
  Revised：1999-3-23，
  
  Published：30 November 1999
- 稿件说明：
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孔祥贵, 许武, 陈宝玖, 黄世华, 范希武. 激光上转换玻璃陶瓷材料中稀土杂质Yb3+和Tm3+局域行为[J]. 发光学报, 1999,20(4): 305-310

KONG Xianggui, XU Wu, CHEN Bacjiu, HUANG Shihua, FAN Xiwu. LOCAL ACTIONS OF REAR EARTH Yb ANDTm IN GLASS CERAMICS USEDAS LASER UPCONVERSION[J]. Chinese Journal of Luminescence, 1999,20(4): 305-310
孔祥贵, 许武, 陈宝玖, 黄世华, 范希武. 激光上转换玻璃陶瓷材料中稀土杂质Yb3+和Tm3+局域行为[J]. 发光学报, 1999,20(4): 305-310 DOI：

KONG Xianggui, XU Wu, CHEN Bacjiu, HUANG Shihua, FAN Xiwu. LOCAL ACTIONS OF REAR EARTH Yb ANDTm IN GLASS CERAMICS USEDAS LASER UPCONVERSION[J]. Chinese Journal of Luminescence, 1999,20(4): 305-310 DOI：

摘要

对红光上转换玻璃陶瓷PbF

+WO

+GeO

以及PbF

+WO

+GeO

+YbF

+TmF

材料中的微晶相进行了喇曼光谱研究。获得的光谱表明PbF

+WO

+GeO

+YbF

+TmF

中的微晶是由PbF:Yb

、Tm

构成的

其中Yb

和Tm

替代部分Ph2+的格位而形成了荷正电的局域杂质中心。这些局域杂质中心导致了PbF

+WO

+GeO

+YbF

+TmF

中局域电场的形成。除了晶格振动对极化率调制引起的喇曼散射外。这种局域电场诱发了新的附加喇曼效应

导致了玻璃陶瓷PbF

+WO

+GeO

+YbF

+TmF

中的各个微晶的晶轴的取向在空间形成有规律分布。

Abstract

Raman scattering was used to investigate the microcrystal region in glass ceramics PbF

+WO

+GeO

and PbF

+WO

+GeO

doped with YbF

and TmF

. The spectra obtained show that this micro-crystal region in the PbF

+WO

+GeO

is with the composition of PbF

:Yb

in which the Yb

and Tm

ions are substituted for Pb

resulting in some charged centers located at these impurities. These charged centers induce a local electric field which brings about:(1) some new Raman effects in addition to the Raman effects induced by the modulation of polarizability from vibrations of micro-crystal lattice

and (2) the consistency of all directions of the symmetry axes of microcrystal in PbF

+WO

+GeO

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