31 May 2017 Data processing from lobster eye type optics
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Abstract
Wolter I optics are commonly used for imaging in X-Ray spectrum. This system uses two reflections, and at higher energies, this system is not so much efficient but has a very good optical resolution. Here is another type of optics Lobster Eye, which is using also two reflections for focusing rays in Schmidt's or Angel's arrangement. Here is also possible to use Lobster eye optics as two one dimensional independent optics. This paper describes advantages of one dimensional and two dimensional Lobster Eye optics in Schmidt's arrangement and its data processing - find out a number of sources in wide field of view. Two dimensional (2D) optics are suitable to detect the number of point X-ray sources and their magnitude, but it is necessary to expose for a long time because a 2D system has much lower transitivity, due to double reflection, compared to one dimensional (1D) optics. Not only for this reason, two 1D optics are better to use for lower magnitudes of sources. In this case, additional image processing is necessary to achieve a 2D image. This article describes of approach an image reconstruction and advantages of two 1D optics without significant losses of transitivity.
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Ondrej Nentvich, Veronika Stehlikova, Martin Urban, Rene Hudec, Ladislav Sieger, "Data processing from lobster eye type optics", Proc. SPIE 10235, EUV and X-ray Optics: Synergy between Laboratory and Space V, 102350N (31 May 2017); doi: 10.1117/12.2265724; https://doi.org/10.1117/12.2265724
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