A Narrow-Linewidth Linearly Polarized 1018-nm Fiber Source for Pumping Diamond Raman Laser
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2021-08-16 |
| Journal | Frontiers in Physics |
| Authors | Xuezong Yang, Zhenxu Bai, Huawei Jiang, Richard P. Mildren, Yan Feng |
| Institutions | Shanghai Institute of Optics and Fine Mechanics, Hebei University of Technology |
| Citations | 3 |
Abstract
Section titled āAbstractāA 7.8-GHz linewidth ytterbium-doped fiber (YDF) laser with an output power of 75 W at 1,018 nm is demonstrated based on narrow-bandwidth fiber Bragg gratings. Effective suppression of spectral broadening and amplified spontaneous emission is achieved by optimizing the resonator structure and active fiber parameters. An 1,178-nm diamond Raman output pumped by this narrow-linewidth 1,018 nm source is addressed in this study, which shows a promising application of generating the sodium guide star laser at 589 nm. A single-longitudinal-mode Stokes with an output power of 0.6 W is obtained using this multimode 1,018 nm laser at the pump power of 13 W. The impact of pump spectral linewidth on the effective Raman gain coefficient is analyzed, and the laser threshold of the diamond Stokes resonator increases with the broadening of the pump linewidth.
Tech Support
Section titled āTech SupportāOriginal Source
Section titled āOriginal SourceāReferences
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