2.05 μm high-energy thulium-doped fibre amplifier based on backward pumping
Abstract We demonstrate a thulium (Tm)-doped fibre amplifier using a Ho: GdVO4 solid-state laser as the master oscillator operating at 2048.53 nm. In experiment, a novel spatial coupling system was used, combining a single lens with a curved end cap to simplify the structure and reduce losses. The i...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-02-01
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| Series: | Scientific Reports |
| Subjects: | |
| Online Access: | https://doi.org/10.1038/s41598-025-89987-x |
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