High-power resonantly diode-pumped CW Er3+:YAG laser |
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Authors: | M. Eichhorn |
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Affiliation: | (1) French–German Research Institute of Saint-Louis (ISL), 5 rue du Général Cassagnou, BP 70034, 68301 Saint Louis Cedex, France |
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Abstract: | Using high-spatial and -spectral brightness laser diodes, a resonantly pumped high-power continuous-wave (CW) Er3+:YAG laser with up to 9 W of output power could be realized. Due to the lower upconversion loss in the 0.5% Er3+-doped crystal, intrinsic efficiencies of up to 64.3% and an optimum outcoupling of ∼20% were found. The output power was compared to quasi-three-level theory with good agreement. In an optimized cavity design a mode fill efficiency of ∼95% was achieved. |
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Keywords: | KeywordHeading" >PACS 42.55.-f 42.55.Xi 42.60.-v |
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