从单独的 femtosecond 激光器中合成相连贯光脉冲
R K Shelton1, L S Ma, H C Kapteyn
1JILA (formerly Joint Institute for Laboratory Astrophysics), National Institute of Standards and Technology (NIST) and University of Colorado, Department of Physics, University of Colorado, Boulder, CO 80309-0440, USA.
Science (New York, N.Y.)
|August 18, 2001
概括
科学家们通过将两个同步的femtosecond激光器结合起来,创造了一个更明亮,更窄的光脉冲. 这促进了超快速科学应用的连贯光合成.
科学领域:
- 光学和光子学 在光学和光子学.
- 超快速科学 超快速科学
背景情况:
- 锁定模式的femtosecond激光器是超快科学中至关重要的工具.
- 延长激光脉冲的连贯带宽是一个关键的挑战.
研究的目的:
- 展示一种合成连贯组合光脉冲的新方法.
- 扩大可用于先进科学应用的可用的连贯带宽.
主要方法:
- 使用两种独立的,同步的,相锁 femtosecond 激光器,在不同的波长 (760 nm 和 810 nm) 工作.
- 采用光谱干涉测量和二次场交叉相关性来验证连贯性.
主要成果:
- 成功生成了一个连贯合成的光脉冲.
- 与单个激光相比,合成的脉冲表现出较窄的二次自相关宽度.
- 综合脉冲显示的振幅大于单独激光器的输出.
结论:
- 这项工作提出了一种新的灵活方法来合成连贯的光.
- 该技术提供了一条可行的途径,用于增强超快科学的一致带宽.
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