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Principles of parametric temporal imaging. II. System performance

机译:参数时间成像的原理。二。系统性能

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For pt. I, see ibid., vol. 36, p. 430, April 2000. The waveform manipulation technique known as temporal imaging can expand or compress signals in time while maintaining the shape of their envelope profiles. The temporal imaging system is analogous to that of its spatial counterpart, with dispersive propagation performing the role of diffraction and quadratic phase modulation in time acting as a "time lens." Recent work has concentrated on time lenses produced by the parametric mixing of the dispersed input signal with a linearly chirped optical pump pulse because of the broad bandwidth, and thus fine temporal resolution, that can be obtained. In a previous paper, we presented the numerous parametric imaging configurations that are possible and drew temporal ray diagrams to illustrate their operation. In this paper, we study the performance of these systems. Resolution, field of view, number of resolvable features, and distortions particular to this approach are discussed.
机译:对于pt。我,见同上,第一卷第36页430,2000年4月。被称为时间成像的波形处理技术可以及时扩展或压缩信号,同时保持其包络轮廓的形状。时间成像系统与其空间类似物类似,色散传播在时间上起衍射和二次相位调制的作用,充当“时间透镜”。最近的工作集中在通过将分散的输入信号与线性chi光泵浦脉冲进行参数混合而产生的时间透镜上,这是因为可以获得较宽的带宽,因此可以获得良好的时间分辨率。在先前的论文中,我们介绍了许多可能的参数成像配置,并绘制了时间射线图以说明其操作。在本文中,我们研究了这些系统的性能。讨论了分辨率,视野,可分辨特征的数量以及此方法特有的变形。

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