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Updated: Jan 8, 2026

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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
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对kJ级惯性聚变能量激光驱动器的堆叠马赛克放大器和二极管输送概念
Optics express
|December 19, 2025
概括
一个新的堆叠的马赛克激光放大器架构使得扩展到多兆的惯性聚变能量 (IFE) 设施. 这种模块化设计实现了高效率和重复率,这对于IFE发电厂和其他先进的激光应用至关重要.
科学领域:
- 激光物理和工程 激光物理和工程
- 核聚变能源的研究.
- 光学系统的设计设计.
背景情况:
- 将激光设备扩展到多兆焦尔级别对于惯性聚变能源 (IFE) 发电厂至关重要.
- 现有的激光放大器架构在效率,重复率和管理放大自发发射 (TASE) 方面面临挑战.
- Yb:YAG激光器是高能耗应用的有希望的增益介质.
研究的目的:
- 为可扩展的IFE驱动器提供一种新的堆叠马赛克激光放大器架构.
- 为了证明高重复率操作的可行性,并具有高效的墙塞效率.
- 解决大规模激光系统中的热管理和波面扭曲挑战.
主要方法:
- 一个千焦勒级堆叠的马赛克放大器模块的设计和数值建模.
- 集成二极管输送系统,以高效地光学送马赛克增益介质.
- 使用气体冷却和使用相板和可变形镜的波面校正进行热管理的分析.
主要成果:
- 堆叠的马赛克方法显著减少横向增益,抑制TASE的五个数量级.
- 在4x4马赛克阵列中证明了对热梯度和偏差的有效控制.
- 一个10kJ,10Hz Yb:YAG模块的点设计实现了超过10%的墙塞效率.
结论:
- 堆叠的马赛克放大器架构是IFE驱动器的一个可扩展和强大的平台.
- 这项技术与直接驱动的IFE系统和用于蓝光发电的频率转换兼容.
- 这种方法适用于广泛的先进的科学和工业激光应用,超出了IFE.
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