期刊
OPTICS AND LASER TECHNOLOGY
卷 33, 期 3, 页码 157-160出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0030-3992(01)00012-3
关键词
glasses; luminescence; Eu3+ ions
Red luminescence (at wavelength about 622 nm) from Eu3+ ions embedded in PbO-Bi2O3-Ga2O3-BaO glass hosts is reported for room and liquid helium temperatures. The substantial influence of energy transfer processes between the host and Eu3+ ions is shown experimentally through the dependences of photoluminescence on light polarization and excitation wavelength. Only polarized, excited pulsed XeII laser light (lambda = 714 nm) gives substantial luminescence with efficiency up to 14.3%. The role of phonon-relaxation subsystem in the observed luminescence is discussed. (C) 2001 Elsevier Science Ltd. All rights reserved.
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