THE NEAR-INFRARED EMISSION OF CRMN2SIO4 AND CRMGCASIO4

被引：13

作者：

EILERS, H

HOMMERICH, U

JACOBSEN, SM

YEN, WM

机构：

[1] Department of Physics and Astronomy, University of Georgia, Athens

来源：

CHEMICAL PHYSICS LETTERS | 1993年 / 212卷 / 1-2期

关键词：

D O I：

10.1016/0009-2614(93)87116-K

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report on the near-infrared (NIR) emission of Cr:Mn2SiO4 (tephroite) and Cr: MgCaSiO4 (monticellite). Both systems are related to Cr: Mg2SiO4 (forsterite) which shows laser action in the NIR region. For both tephroite and monticellite the emission is shifted to longer wavelength compared with forsterite. Whilst the low-temperature zero-phonon lines in forsterite are at 1093 nm, they are located at 1141 and at 1226 nm in monticellite and tephroite, respectively. The room-temperature lifetime of Cr: monticellite is 5 mus, around twice as long as the Cr: forsterite lifetime. The emission of Cr:tephroite, on the other hand, is strongly quenched at room temperature.

引用

页码：109 / 112

页数：4

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