Diode-pumped continuous-wave a- and c-cut Pr:Sr0.5La0.5Mg0.5Al11.5O19 (Pr:ASL) visible lasers at 645 and 726 nm

Shidong Zhou Yuxin Pan Jian Liu 1 Qingsong Song Jie Xu 2 Dongzhen Li Peng Liu Xiaodong Xu 3 Bin Xu 4 Jun Xu 5 Ivan Buchvarov Kheirreddine Lebbou 3
1 Curtin University [Perth]
2 Department of Electrical Engineering - University of California
3 ILM - Institut Lumière Matière [Villeurbanne]
4 Tsinghua University [Beijing]
5 Georgia Institute of Technology [Atlanta]
Abstract : Pr3+-doped Sr0.5La0.5Mg0.5Al11.5O19 (ASL) crystal along 〈100〉 direction was successfully grown using the Czochralski technique under azote atmosphere. Absorption and emission spectra of Pr:ASL crystal have been measured at room temperature. Continuous-wave laser operation of the a-cut and c-cut Pr:ASL samples under InGaN laser diode pumping has been demonstrated. For deep red laser operation at about 726 nm, the maximum output powers achieved from a-cut sample was 92.8 mW with slope efficiency of about 11.9%, while 46.6 mW with slope efficiency of 8.0% for the c-cut sample. For red laser at about 645 nm, maximum output powers of 49.2 mW and 42.8 mW were obtained for the a-cut sample and c-cut sample, corresponding to a slope efficiency of 6.7% and 8.5%, respectively.
Keywords : Laser property Spectral property Czochralski method Pr:ASL
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Journal articles
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02363554
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Submitted on : Thursday, November 14, 2019 - 2:39:00 PM
Last modification on : Wednesday, December 4, 2019 - 1:21:26 AM

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UNIV-LYON1 | CNRS | ILM | UDL

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Shidong Zhou, Yuxin Pan, Jian Liu, Qingsong Song, Jie Xu, et al.. Diode-pumped continuous-wave a- and c-cut Pr:Sr0.5La0.5Mg0.5Al11.5O19 (Pr:ASL) visible lasers at 645 and 726 nm. Journal of Alloys and Compounds, Elsevier, 2019, 792, pp.1200-1205. ⟨10.1016/j.jallcom.2019.04.125⟩. ⟨hal-02363554⟩

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