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High-power wavelength-tunable cladding-pumped rare-earth-doped silica fiber lasers

机译:大功率波长可调包层掺稀土石英光纤激光器

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摘要

We describe the design and performance of cladding-pumped silica fiber lasers with high continuous-wave output powers and broad wavelength tunability in the 1, 1.5, and 2 μm spectral ranges. An ytterbium-doped fiber laser was tuned via wavelength dependent feedback provided by an external cavity containing a diffraction grating from 1027 to 1105 nm at multi-watt power levels. Similarly, high output power and wide wavelength tunability from 1540 to 1600 nm and from 1860 to 2090 nm at multi-watt output power levels has been achieved in Er-Yb co-doped and Tin-doped silica fiber lasers, respectively. A neodymium doped fiber laser was tuned from 1057 to 1118 nm at a lower power level. Limiting factors and the prospects for further improvements in performance are considered.
机译:我们描述了在1、1.5和2μm光谱范围内具有高连续波输出功率和宽波长可调谐性的包层泵浦石英光纤激光器的设计和性能。 via掺杂的光纤激光器是通过波长依赖性反馈来调谐的,该反馈由外部腔体提供,该腔体包含多瓦功率级的1027至1105 nm的衍射光栅。同样,分别在掺Er-Yb掺锡和掺锡的石英光纤激光器中实现了多瓦输出功率水平下从1540至1600 nm和1860至2090 nm的高输出功率和宽波长可调谐性。掺钕光纤激光器以较低的功率水平从1057 nm调谐到1118 nm。考虑了限制因素以及性能进一步提高的前景。

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