Cr2+: CdSe passively Q-switched Ho: YAG laser

Cr2+: CdSe passively Q-switched Ho: YAG laser

We first demonstrate the laser performance of a Cr2+:CdSe passively Q-switched (PQS) 2.09 μm Ho: YAG laser resonantly pumped by a thulium-doped fiber laser. The maximum output pulse energy of 1.766 mJ, corresponding to a repetition frequency of 685 Hz, was obtained with a pulse duration of 15.4 ns....

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Veröffentlicht in:Optics letters 2017-07, Vol.42 (13), p.2555-2558
Hauptverfasser: Ji, Encai, Nie, Mingming, Fu, Xing, Guan, Zhouguo, Liu, Qiang
Format: Artikel
Sprache:eng
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Zusammenfassung:We first demonstrate the laser performance of a Cr2+:CdSe passively Q-switched (PQS) 2.09 μm Ho: YAG laser resonantly pumped by a thulium-doped fiber laser. The maximum output pulse energy of 1.766 mJ, corresponding to a repetition frequency of 685 Hz, was obtained with a pulse duration of 15.4 ns. The pulse peak power was 114.7 kW, while the PQS efficiency was 21.45% against the continuous-wave output. The laser wavelength in the PQS operation was precisely measured to be 2090.2 nm.
ISSN:1539-4794
DOI:10.1364/OL.42.002555