Growth and Properties of a Thulium, Holmium‐Codoped LuLiF 4 Single Crystal
Fangli Jing, Kiyoshi Shimamura, Encarnación G. Vı́llora, Andrey Medvedev, Kenji Kitamura, Kazuhiro Asai, Atsushi Sato
Abstract
Fangli Jing, Kiyoshi Shimamura, Encarnación G. Vı́llora, Andrey Medvedev, Kenji Kitamura, Kazuhiro Asai, Atsushi Sato
Abstract
LuLiF 4 single crystals codoped with thulium (Tm) and holmium (Ho) were successfully grown by the Czochralski method. The excellent laser performance, in terms of highest slope efficiency, and highest optical‐to‐optical efficiency and lower laser threshold, was studied in comparison with 5% Tm, 0.5% Ho‐codoped YLiF 4 , and Lu 3 Al 5 O 12 under the same conditions.
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LuLiF 4 single crystals codoped with thulium (Tm) and holmium (Ho) were successfully grown by the Czochralski method. The excellent laser performance, in terms of highest slope efficiency, and highest optical‐to‐optical efficiency and lower laser threshold, was studied in comparison with 5% Tm, 0.5% Ho‐codoped YLiF 4 , and Lu 3 Al 5 O 12 under the same conditions.
Key concepts: Thulium, Holmium, Materials science, Slope efficiency, Czochralski method, Laser, Single crystal, Crystal growth