The spectrum and laser properties of ytterbium doped phosphate glass at low temperature |
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| Authors: | Shixun Dai Akira SugiyamaLili Hu Zhuping LiuGuosong Huang Zhonghong Jiang |
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| Affiliation: | a Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 201800 Shanghai, People’s Republic of China
b Japan Atomic Energy Research Institute, 619-0215, Japan |
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| Abstract: | Low-temperature absorption and fluorescence spectra of the Yb3+ ions were measured in phosphate glass with compositions of (60-65)P2O5-(4-8)B2O3-(5-10)Al2O3-(10-15)K2O-(5-10)BaO-(0-2)La2O3-(0-2)Nb2O5-(4-8)Yb2O3 (mol%). Temperature dependence of lifetime of Yb3+:2F5/2 level was investigated. Laser performance of sample pumped by 940 nm laser diode at low temperature were presented. At 8 K, laser oscillation of diode pumped Yb3+: phosphate glass yielded a slope efficiency of 4% and a maximum power of 2 mW, the peak laser wavelength is 1001 nm. |
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| Keywords: | P145 R120 F160 |
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