Intrinsic Luminescence in KI and RbI under Two-Photon Excitation
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概要
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It has been confirmed that KI and RbI crystals under the two-photon excitation by a dye laser exhibit three emission bands at 3.05 eV, 3.31 eV, 4.10 eV and 2.27 eV, 3.12 eV, 3.96 eV, respectively, which are the same as those under the conventional one-photon excitation at low temperature. The intensity of the 3.05 eV and 3.31 eV emissions in KI decay with respective two decay times. The fast and slow components of these emissions exhibit almost identical emission spectra with the half width of 0.33±0.03 eV. The 2.27 eV and 3.12 eV emissions in RbI decay also by the fast and slow decay times. Temperature dependence of the decay time and intensity of these emissions has been studied, and possible electronic states responsible for these emissions are discussed.
- 社団法人日本物理学会の論文
- 1975-12-15
著者
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YOSHINARI Takehisa
Department of Physics, Faculty of Science, Yamagata University
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HIRAI Masamitsu
Department of Applied Physics,Faculty of Engineering,Tohoku University
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Yoshinari Takehisa
Department Of Physics Faculty Of Science Tohoku University
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Yoshinari Takehisa
Department Of Physics Tohoku University
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Hirai Masamitsu
Department Of Applied Physics Faculty Of Engineering Tohoku University
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