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  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper ca_1_2

Enhanced absorption efficiency in UV-pumped Tb3+: LLF

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Abstract

We investigate UV pumping of Tb-based lasers and demonstrate significantly higher optical-to-optical efficiencies compared to conventional cyan-blue pumping. Spectroscopy reveals higher UV absorption cross sections and efficient population of the upper laser level by cross-relaxation.

© 2021 IEEE

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