SPECTRAL HOLE-BURNING MEASUREMENTS OF OPTICAL DEPHASING BETWEEN 2-300 K IN SM2+ DOPED SUBSTITUTIONALLY DISORDERED MICROCRYSTALS

被引：57

作者：

HOLLIDAY, K

WEI, CJ

CROCI, M

WILD, UP

机构：

[1] Physical Chemistry Laboratory, Swiss Federal Institute of Technology, ETH Zentrum

来源：

JOURNAL OF LUMINESCENCE | 1992年 / 53卷 / 1-6期

关键词：

D O I：

10.1016/0022-2313(92)90143-W

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photochemical hole burning has been investigated in Sm2+ doped crystalline powders of the composition MxM1-xFCl0.5Br0.5 (M = group-II ion) between room temperature and 2 K. For the materials studied, the whole widths are independent of host and approximately double fluorescence line widths previously reported for BaFCl:Sm2+. Optical dephasing above about 15 K is shown to be dominated by Raman scattering of phonons with an electron phonon coupling constant of 100 GHz. Below 15 K the homogeneous line width temperature dependence resembles that of an amorphous material.

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页码：227 / 230

页数：4

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