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Single-crystal and ceramic Yb:Lu2O3 gain media for thin-disk oscillators.
- Source :
- Applied Physics B: Lasers & Optics; Oct2023, Vol. 129 Issue 10, p1-7, 7p
- Publication Year :
- 2023
-
Abstract
- We report on the direct comparison of single-crystal and ceramic Yb<superscript>3+</superscript>:Lu<subscript>2</subscript>0<subscript>3</subscript> gain media with respect to emission spectra, fluorescence lifetime, depolarization, and laser performance in a continuous-wave thin-disk laser oscillator. The most efficient laser operation was achieved with a single-crystal disk in multimode operation with a slope efficiency of 72.1% and an average output power of 997 W. At the same temperature level, a ceramic disk delivered 861 W with a slope efficiency of 68.6%. In fundamental-mode operation, the highest average power of 360 W and highest optical efficiency of 41.3% were obtained with a ceramic disk. For the single-crystal disk, the fundamental-mode output power was limited to 113 W at an optical efficiency of 29%, potentially due to stress within the crystal. [ABSTRACT FROM AUTHOR]
- Subjects :
- ACTIVE medium
THULIUM
YTTERBIUM
CERAMICS
MOLECULAR spectra
Subjects
Details
- Language :
- English
- ISSN :
- 09462171
- Volume :
- 129
- Issue :
- 10
- Database :
- Complementary Index
- Journal :
- Applied Physics B: Lasers & Optics
- Publication Type :
- Academic Journal
- Accession number :
- 173149882
- Full Text :
- https://doi.org/10.1007/s00340-023-08103-x