| Spectroscopic Properties and Energy Transfers in Tm ~(3 ) and Yb~( 3 )/Tm ~( 3 ) Doped Fluoroaluminate Glass |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics，The Chinese Academy of Sciences，Shanghai 201800，China |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｔｈｅｔｒａｎｓｉｔｉｏｎ1 Ｇ4→ 3Ｈ6 (4 80ｎｍ)ｏｆＴｍ3 ｉｓｉｎｔｈｅｉｎｔｅｒｅｓｔｉｎｇｂｌｕｅｒｅｇｉｏｎ .Ｔｈｅｔｒａｎｓｉｔｉｏｎ3Ｆ4→ 3Ｈ4(～ 1.45 μｍ)ｏｆＴｍ3 ｅｘｈｉｂｉｔｓｃｏｎｓｉｄｅｒａｂｌｅｏｖｅｒｌａｐｗｉｔｈａｎａｂｓｏｒｐｔｉｏｎｂａｎｄｏｆＨ2 Ｏ ,ｓｏｉｔｃａｎｂｅａｐｐｌｉｅｄａｓａｕｓｅｆｕｌｓｏｕｒｃｅｆｏｒｗａｔｅｒｏｒｈｕｍｉｄｉｔｙｓｅｎｓｉｎｇ1 ] .Ａｈｉｇｈ ｐｏｗｅｒ 1.45 μｍＴｍ3 ｄｏｐｅｄｆｉｂｅｒｌａｓ…
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| 收稿时间： | 2000/3/27 |
Spectroscopic Properties and Energy Transfers in Tm ~(3 ) and Yb~( 3 )/Tm ~( 3 ) Doped Fluoroaluminate Glass |
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| ZHANG Long,HU Hefang,LIN Fengying.Spectroscopic Properties and Energy Transfers in Tm ~(3 ) and Yb~( 3 )/Tm ~( 3 ) Doped Fluoroaluminate Glass[J].中国激光(英文版),2001,10(1):61-66. |
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| Authors: | ZHANG Long HU Hefang LIN Fengying |
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| Abstract: | The mechanisms of Tm3+ →Tm3+ and Yb3+ Tm3+ energy transfers and fluorescence properties have been investigated in both Tm3+ and Yb3+/Tm3+ AYF glasses. The cross-relaxation process, 3F4 + 3H6 → 23H4, is proved, which makes the optimum Tm3+ concentration of 1.77 μm fluorescence(3H4 → 3H6) much higher than 1.45 μm fluorescence (3F4 → 3H4) in Tm3+ :AYF glasses. In Yb3+/Tm3+ :AYF glasses, the stronger concentration quenching of 476 nm emission than 797 nm emission is found under the 970 nm-excitation. The optimum concentration of Tm3+ for 476 nm and 797 nm emission were about 0.1 mol-％ and 0.3～0.5 mol-％, respectively. The concentration quenching of Yb3+ to upconversion fluorescence was also observed. |
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| Keywords: | Tm 3 Tm 3 Yb 3 spectroscopic properties energy transfers fluoroaluminate glasses |
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