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高功率和高效率的合送一个广泛调节的Tm-doped全纤维MOPA
Optics express
|February 20, 2026
概括
我们开发了一种高功率,波长可调节的化纤维激光器,使用并联送. 这种主振荡器功率放大器 (MOPA) 的输出功率超过100W,标志着光纤激光技术的重大进步.
科学领域:
- 激光物理 激光物理
- 光学工程是指光学工程.
- 材料科学 材料科学 材料科学
背景情况:
- 化纤维激光器对于各种应用至关重要,但同时实现高功率和可调性仍然具有挑战性.
- 现有的光纤激光系统通常面临输出功率,光谱稳定性和光束质量的限制.
研究的目的:
- 为了展示一个高功率和广泛调节的化全纤维主振荡器功率放大器 (MOPA).
- 为了研究Tm-doped纤维激光器的地面状态漂白效应.
- 为了实现具有出色的光谱特征和光束质量的瓦特级输出功率.
主要方法:
- 作为主振荡器,使用了一种Tm-doped纤维环激光器,其中包含可调节的带通波器.
- 在功率放大器中采用了1943nm的核心和并列抽配置.
- 输出功率,调范围,光谱线宽,光学信号噪声比 (OSNR),功率稳定性和光束质量 (M2) 的表征.
主要成果:
- 在1980nm. MOPA提供了103W的输出功率.
- 从1960年到2020nm (60nm范围) 保持了>83W的广泛调范围.
- 实现了高斜率效率 (∼80%),窄线宽 (∼0.15nm),高OSNR (>42dB) 和出色的光束质量 (M2 ∼1.18).
- 激光在没有寄生性振荡或热诱导横向模式不稳定性 (TMI) 的情况下工作.
结论:
- 这项研究首次展示了一种全纤维集成,波长可调节的Tm-doped光纤激光器,达到100瓦的水平.
- 高效的并排有效地抑制了放大自发发射 (ASE),并使高功率运行成为可能.
- 开发的MOPA为需要高功率,可调和和光谱纯净的激光源的应用提供了有前途的解决方案.
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