Spectral combination of ultrashort laser pulses

被引：14

作者：

Banici, R. ^{[1
]}

Ursescu, D. ^{[1
]}

机构：

[1] Natl Inst Lasers Plasma & Radiat Phys INFLPR, Magurele 077125, Ilfov, Romania

来源：

EPL | 2011年 / 94卷 / 04期

关键词：

HIGH-POWER; COMPRESSION; ACCELERATION; WAVE;

D O I：

10.1209/0295-5075/94/44002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An ultrashort and ultraintense pulses combination method is proposed, based on the spectral combination of parallel laser pulses, with complementary spectra, in chirped pulse amplification (CPA) laser systems. In a proof-of-principle experiment, it is demonstrated that two long pulses of 330 fs can be overlapped in a collinear way, to produce a shorter pulse, of 190 fs. As a consequence, it is shown that the power for the combined pulse obtained is up to a factor of 1.7 larger than the sum of the peak powers of each individual pulse. The spectral phase of the combined pulse was characterized with lambda/10 accuracy, using spectral interferometry. A way to implement the method at parallel CPA laser facilities, using no transmission optics, is indicated. Copyright (C) EPLA, 2011

引用

页数：6

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