4.6 Article

Tm3+:CaLaGa3O7 crystal laser: A new diode-pumped continuous-wave broadband light source operating in eye-safe spectral range

Journal

JOURNAL OF LUMINESCENCE
Volume 211, Issue -, Pages 96-99

Publisher

ELSEVIER
DOI: 10.1016/j.jlumin.2019.03.029

Keywords

Diode-pumped; Tm3+:CaLaGa3O7; Disorder crystal; Eye-safe laser; Wavelength tuning

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Funding

  1. National Natural Science Foundation of China [61575164, 11674269]
  2. Natural Science Foundation of Fujian Province of China [2018J01108]

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We report on diode-pumped continuous-wave Tm3+:CaLaGa3O7 lasers, for the first time to our knowledge. Maximum output powers of 176 mW, 148 mW and 102 mW are achieved at 1885 nm, 1913 nm and 1938 nm with slope efficiencies of about 2.3%, 1.8% and 1.1%, respectively. A wavelength tuning is also demonstrated with a range of about 101 nm via an intracavity undoped YAG etalon.

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