Variation of curvature of laser beam changes characteristics of spatially chirped pulsed Gaussian (SCPG) laser beam primarily due to varying spectral divergence. Parametric dependence of different pulse parameters, e.g. angular chirp, pulse front tilt, pulse width, beam radius, radius of curvature etc., is presented for a SCPG laser beam propagating through single and pair of reflective or refractive optical system. Effect of chromatic aberration on characteristic of SCPG laser beam have also been presented under different propagation conditions. Different expressions for various parameters of pulsed Gaussian beam are extended using recursive relation for a sequence of multiple chromatic lenses generally used in large scale high energy high power laser system. Discussion is supported with few examples of lens system.

中文翻译：

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多透镜空间啁啾高斯激光束的传播特性

激光束曲率的变化会改变空间啁啾脉冲高斯 (SCPG) 激光束的特性，这主要是由于光谱发散度的变化。对于通过单个和一对反射或折射光学系统传播的SCPG激光束，呈现了不同脉冲参数的参数依赖性，例如角啁啾、脉冲前沿倾斜、脉冲宽度、光束半径、曲率半径等。在不同的传播条件下，色差对SCPG激光束特性的影响也得到了呈现。对于通常用于大规模高能高功率激光系统的多色透镜序列，利用递推关系扩展了脉冲高斯光束各种参数的不同表达式。讨论得到了几个镜头系统示例的支持。