High-average-power 2-kHz laser for generation of ultrashort x-ray pulses

被引：71

作者：

Jiang, Y ^{[1
]}

Lee, TW ^{[1
]}

Li, W ^{[1
]}

Ketwaroo, G ^{[1
]}

Rose-Petruck, CG ^{[1
]}

机构：

[1] Brown Univ, Dept Chem, Providence, RI 02912 USA

来源：

OPTICS LETTERS | 2002年 / 27卷 / 11期

关键词：

D O I：

10.1364/OL.27.000963

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a Ti:sapphire-based laser-x-ray system specifically designed for generation of ultrafast x-ray pulses in the tenths-of-nanometers spectral range at a 2-kHz repetition rate. To obtain high-contrast laser pulses we divide the laser system into a section for generation of microjoule. high-contrast pulses with pulse cleaning and a subsequent section for chirped-pulse amplification and pulse compression. This laser section operates in conjunction with an x-ray-generation section based on a moving copper wire in a He atmosphere. The high reliability of the entire system permits maintenance-free production of x-ray pulses over tens of hours. Average x-ray fluxes of 10(13) photons/(s 4pi sr 1 keV) at 3 keV and 10(9) photons/(s 4pi sr) above 5 keV of photon energy are produced. (C) 2002 Optical Society of America.

引用

页码：963 / 965

页数：3

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