PSF与成像干涉仪和调零干涉仪的视场特性
PSF and field of view characteristics of imaging and nulling interferometers
摘要：
本文对最近发表的一篇论文“高角分辨率系统和调零干涉的简单傅里叶光学形式”作了补充，该论文讨论了几种类型的多孔径光学系统的成像和调零能力。在这里，这种系统的特性方面的点扩散函数（PSF）和视场（FoV）是从简单的解析表达式，进一步评估各种配置的数值。我们依次考虑Fizeau和迈克耳孙干涉仪的一般情况，以及单片光瞳调零望远镜、调零剪瞳望远镜（SPT）和稀疏孔径轴向组合干涉仪（ACI）的一般情况。分析形式主义还允许建立适用于调零PST或ACI的精确的目标图像关系，这些PST或ACI计划用于未来寻找太阳系外可居住行星的太空任务。
英文摘要：
In this communication are presented some complements to a recent paper entitled "Simple Fourier optics formalism for high angular resolution systems and nulling interferometry", dealing with imaging and nulling capacities of a few types of multi-aperture optical systems. Herein the characteristics of such systems in terms of Point Spread Function (PSF) and Field of View (FoV) are derived from simple analytical expressions that are further evaluated numerically for various configurations. We consider successively the general cases of Fizeau and Michelson interferometers, and those of a monolithic pupil, nulling telescope, of a nulling, Sheared-Pupil Telescope (SPT), and of a sparse aperture, Axially Combined Interferometer (ACI). The analytical formalism also allows establishing the exact Object-Image relationships applicable to nulling PSTs or ACIs that are planned for future space missions searching for habitable extra-solar planets.
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