Resonantly pumped 1645 nm Q-switched Er：YAG laser with a ring cavity

This paper report an 1645 nm Er：YAG laser resonantly pumped by an Er-fiber laser operating at 1532 rim. 1.78 W continous wave （CW） output power with a slope efficiency of 52% was obtained using a long ring cavity and an 1 at.% doped Er：YAG crystal. In Q-switched mode, the obtained pulse energy was 1...

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Veröffentlicht in:	Frontiers of Optoelectronics (Online) 2012-12, Vol.5 (4), p.400-402
Hauptverfasser:	Zhu, Lingni, Gao, Chunqing, Wang, Ran, Gao, Mingwei, Wang, Xin, Eichler, Hans Joachim
Format:	Artikel
Sprache:	eng
Schlagworte:	Biomedical Engineering and Bioengineering Electrical Engineering Engineering Physics Q-开关 Research Article YAG晶体 YAG激光器掺铒光纤激光器泵浦激光共振环形腔输出功率
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Beschreibung
Zusammenfassung:	This paper report an 1645 nm Er：YAG laser resonantly pumped by an Er-fiber laser operating at 1532 rim. 1.78 W continous wave （CW） output power with a slope efficiency of 52% was obtained using a long ring cavity and an 1 at.% doped Er：YAG crystal. In Q-switched mode, the obtained pulse energy was 1.6 mJ at a repetition rate of 500 Hz; for 1 kHz repetition rate, 1.2 mJ output energy was obtained.
ISSN:	1674-4128 2095-2759 1674-4594 2095-2767
DOI:	10.1007/s12200-012-0274-x