Orange,red and deep-red flashlamp-pumped Pr3+:LiYF4 laser with improved output energy and efficiency |
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| Authors: | H J Eichler B Liu Zukang Lu A A Kaminskii |
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| Institution: | (1) Optisches Institut, Technische Universität Berlin, Strassedes 17. Juni 135, D-10623 Berlin, Germany;(2) Laboratory of Modern Optical Instrumentation, Zhejiang University, 310027 Hangzhou, People's Republic of China;(3) Institute of Crystallography, Russian Academy of Sciences, Leninsky Prosp. 59, 117333 Moscow B-333, Russia |
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| Abstract: | Three laser transitions (607.2 nm, 639.5 nm, 720.9 nm) in a flashlamp-pumped Pr3+:LiYF4 laser at room temperature are investigated. Cerium ions (Ce3+) doped into the fused-quartz envelope of the flashlamp efficiently transfer strong UV radiation from pumping light into the absorption region of Pr3+ ions ( = 420–480 nm), so that the slope efficiency of all three laser emissions could be increased by almost 100% compared to excitation with a pure quartz flashlamp. At a pump energy of 30 J the output energy of these three laser emissions reached 4.7 mJ, 87 mJ and 30 mJ. |
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| Keywords: | 42 60 Lh 42 55 42 70 |
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