Spectroscopy and energy transfer parameters of Tm3+- and Ho3+-doped Ba2NaNb5O15 single crystals

被引：9
作者：
Bigotta, S.
Toncelli, A.
Tonelli, M.
Cavalli, E.
Bovero, Fl.
机构：
[1] Univ Pisa, Dipartimento Fis, NEST, I-56127 Pisa, Italy
[2] Univ Parma, Dipartimento Chim Gen & Inorgan Chim Anal & Chim, I-43100 Parma, Italy
来源：
OPTICAL MATERIALS | 2007年 / 30卷 / 01期
关键词：
rare earth compounds; barium sodium niobate; optical spectroscopy; luminescence; laser material;
D O I：
10.1016/j.optmat.2006.11.040
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The absorption and emission spectra of Tm3+- and Ho3+-doped Ba2NaNb5O15 crystals have been measured in the 1.5-2 mu m region. The lifetimes of the lowest excited states have been measured at 10 and at 298 K. The cross sections of the (Tm) F-3(4) <-> H-3(6) and (Ho) I-5(7) <-> I-5(8) transitions have been estimated and used to determine the (Tm) F-3(4) -> (Ho) I-5(7) energy transfer parameter. These results are discussed in order to evaluate the potentialities of this material as active medium in solid-state lasers operating at 2 Pm. (c) 2006 Elsevier B.V. All rights reserved.
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页码：129 / 131
页数：3
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