UP-CONVERTED HOT-LUMINESCENCE SPECTROSCOPY INVESTIGATION OF NONRADIATIVE RELAXATION IN FORSTERITE

被引:9
作者
DEMOS, SG [1 ]
TAKIGUCHI, Y [1 ]
ALFANO, RR [1 ]
机构
[1] CUNY CITY COLL,GRAD SCH,NEW YORK,NY 10031
关键词
D O I
10.1364/OL.18.000522
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Upper-state nonradiative relaxation in the 3.2-1.9-eV energy region of the excited-state manifold of Cr4+-doped forsterite is investigated. Measurements of the upconverted hot-luminescence spectra reveal two electronic bottlenecks and several phonon modes involved in the initial steps of the vibrational relaxation at different portions of the excited-state manifold.
引用
收藏
页码:522 / 524
页数:3
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