Collier J, Hernandez-Gomez C, Ross I N, Matousek P, Danson C N, Walczak J
Council for the Central Laboratory of the Research Councils, Rutherford Appleton Laboratory, Chilton Didcot, Oxfordshire 0X11 0QX, England.
Appl Opt. 1999 Dec 20;38(36):7486-93. doi: 10.1364/ao.38.007486.
Recently, an amplification technique for ultrashort pulses was explored in detail in a theoretical paper by Ross et al. [Opt. Commun. 144, 125 (1997)]. The technique, based on nonlinear optics, is called optical parametric chirped pulse amplification. It has a number of features that, in principle, make it highly attractive. It primarily offers extremely large gains simultaneously with extremely large bandwidths. Additional attractions are virtually no spatial and temporal phase distortion of the amplified pulse, high efficiencies and a low thermal loading, reduced amplified spontaneous emission levels, small optical material lengths, and an inherent simplicity of implementation. We present an evaluation of the technique as a front end amplifier for the ultrashort pulse amplification chain of the Vulcan laser system. Such a device could replace some of the existing amplification in Nd:glass and additionally have a wider effect as a direct replacement of Ti:sapphire regenerative amplifiers on large-scale chirped pulse amplification scale facilities.
最近，罗斯等人在一篇理论论文[《光学通信》144, 125 (1997)]中详细探讨了一种超短脉冲放大技术。该技术基于非线性光学，被称为光参量啁啾脉冲放大。它具有许多原则上极具吸引力的特性。它主要能在提供极大带宽的同时实现极大增益。其他吸引人之处包括放大脉冲几乎不存在空间和时间相位失真、高效率、低热负载、降低的放大自发辐射水平、较短的光学材料长度以及固有的简单实施方案。我们对该技术作为瓦肯激光系统超短脉冲放大链的前端放大器进行了评估。这样一种装置可以替代钕玻璃中的一些现有放大器，并且作为大规模啁啾脉冲放大规模设施上钛宝石再生放大器的直接替代品还会产生更广泛的影响。
