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700 W,<10 ps,两级内带 Nd:YVO Innoslab 放大器具有高效率的高效率
Optics express
|July 30, 2025
概括
这项研究展示了一种高效率的皮秒放大器,使用带内送. 它实现了700W的平均输出功率,具有出色的光束质量,展示了先进的激光技术.
科学领域:
- 激光和光子学 激光和光子学
- 材料科学 材料科学 材料科学
背景情况:
- 开发高功率,高效的皮秒激光放大器对于各种科学和工业应用至关重要.
- 传统的激光放大方法经常面临热管理和效率方面的挑战.
研究的目的:
- 为了证明一个高效率的,带内的,双阶段的 Nd:YVO4 部分板 (Innoslab) 皮秒放大器.
- 在不同的和注射激光功率下,研究第二阶段放大器的输出特性.
- 为了实现高平均输出功率,具有出色的光束质量和高转换效率.
主要方法:
- 使用带内技术,以实现高效的能量传输.
- 采用两级Nd:YVO4 Innoslab放大器设计,以改善热管理和模式匹配.
- 进行模拟和实验来研究放大器性能.
- 测量输出功率,脉冲持续时间,转换效率和光束质量因素 (M2).
主要成果:
- 在2 MHz的重复率下,实现了700W的平均输出功率,脉冲持续时间为9.8ps.
- 获得了47.7%的整体光向光转换效率,总功率为1449W.
- 第二个放大器的最大提取效率达到54.8%.
- 测量的光束质量系数M2在最大输出功率时为1.36 (水平) 和1.06 (垂直).
结论:
- 带内的Innoslab皮秒放大器设计提供了出色的热管理和模式匹配,从而实现了高效率.
- 这项技术为产生高功率,高质量的皮秒激光脉冲提供了可行的解决方案.
- 演示的性能突显了这种放大器在要求精确,高能激光脉冲的苛刻应用中的潜力.
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