进化优化和长期稳定白光播种的两阶段OPCPA种子激光器
Optics express
|November 29, 2023
概括
一种进化策略自主调整超快激光系统,特别是光学参数曲脉冲放大器 (OPCPA). 这种方法优化了激光性能,并确保稳定,可靠的操作,无需手动调整.
科学领域:
- 物理 物理学 物理
- 光学工程是指光学工程.
- 激光技术 激光技术 激光技术
背景情况:
- 超快激光系统,就像光学参数曲脉冲放大器 (OPCPA),是复杂的工具.
- 优化激光性能是具有挑战性的,因为输出参数之间的复杂合,阻碍了同时控制脉冲属性.
研究的目的:
- 为了演示一个自主调程序为白光种植的两阶段OPCPA.
- 通过使用进化战略,可靠地实现激光系统的优化工作点.
主要方法:
- 自主调程序的实验演示.
- 使用进化战略进行优化.
- 使用收集的调整数据对激光系统性能模型进行校准.
主要成果:
- 同时稳定复杂合的激光输出能量和频谱.
- 证明射击对射击的能量稳定性为<0.18% rms.
- 在多天运行中实现波长稳定性<25 pm rms和带宽稳定性<0.2% rms.
结论:
- 自主调方法可确保在最佳的工作点上可靠的日常运行.
- 消除了复杂的超快激光系统中需要手动调整的需要.
- 为关键激光输出参数提供高稳定性.
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