High-order harmonic generation by an ultrafast infrared pulseEfficient generation of a coherent “water window” X-ray

被引:0
|
作者
E. J. Takahashi
T. Kanai
K. Midorikawa
机构
[1] RIKEN Advanced Science Institute,Extreme Photonics Research Group
来源
Applied Physics B | 2010年 / 100卷
关键词
Pump Pulse; Harmonic Spectrum; Seed Pulse; Harmonic Intensity; Water Window;
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学科分类号
摘要
Life science and biology have advanced with the progress of microscope technology. A strong desire of life scientists is to observe living cells with high spatial resolution. The development of soft x-ray microscopy using a special wavelength called the water window started in the 1970s in order to fulfill this desire. However, the photon fluxes realized so far are still insufficient for this application. Here, we review our work on a coherent water window x-ray generation based on high-order harmonics driven by an infrared pulse. Our proposed generation scheme, combining an infrared laser driver and a neutral gas medium, is efficient and scalable in output yields of the water window x-ray.
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页码:29 / 41
页数:12
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