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Synthesis of diffractive axicons for partially coherent light based on asymptotic wave theory

机译:基于渐近波理论的部分相干光衍射轴锥的合成

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摘要

A general, noniterative method for designing diffractive axicons is derived. This new technique clarifies the earlier phenomenological design principle that was used for coherent light and extends it to the domain of partial coherence. The approach is based on the method of stationary phase in fluctuating diffracted wave fields, and it applies to arbitrary axially symmetric radiation of the Schell-model type. It is shown that the general design equation can be solved numerically, in a straightfor ward way, for any reasonable illumination and image specifications.
机译:推导了一种通用的,非迭代的设计衍射轴突的方法。这项新技术阐明了用于相干光的早期现象学设计原理,并将其扩展到部分相干域。该方法基于波动衍射波场中的固定相方法,适用于任意Schell模型类型的轴对称辐射。结果表明,对于任何合理的照明和图像规格,通用设计方程都可以通过数值方式直接求解。

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