Journal
OPTICS EXPRESS
Volume 29, Issue 18, Pages 29449-29457Publisher
Optica Publishing Group
DOI: 10.1364/OE.435023
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Funding
- National Natural Science Foundation of China [62005073]
- Australian Research Council [LP160101039]
- Natural Science Foundation of Hebei Province [F2020202026]
- Air Force Office of Scientific Research [FA2386-18-14117]
- Australian Research Council [LP160101039] Funding Source: Australian Research Council
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The study presents a diamond Raman laser capable of generating continuous wave output in the range of 590-615 nm. Despite a broad pump spectrum, single frequency output is achieved, offering a practical approach to obtaining high-power single-frequency lasers in a wavelength region not well served by other laser technologies.
We report a diamond Raman laser that is continuously-tunable across the range from 590 nm to 625 nm producing continuous wave output with up to 8 W. The system is based on an all-fiber and tunable (1020-1072 nm) Yb-doped pump laser with a spectral linewidth of 25 GHz that is Raman-shifted and frequency doubled in a cavity containing diamond and a lithium triborate second harmonic crystal. Despite the broad pump spectrum, single frequency output is obtained across the tuning range 590-615 nm. The results reveal a practical approach to obtain tunable high-power single-frequency laser in a wavelength region not well served by other laser technologies. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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