Fresnel zone plate telescopes for X-ray imaging I: experiments with a quasi-parallel beam

Details Fresnel zone plate telescopes for X-ray imaging I: experiments with a quasi-parallel beam Fresnel zone plate telescopes for X-ray imaging I: experiments with a quasi-parallel beam

2009-10-11

arxiv.org/abs/0910.1987v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

16 pages, 24 figures, published in Experimental Astronomy

Scientific paper

10.1007/s10686-009-9144-y

Combination of Fresnel Zone Plates (FZP) can make an excellent telescope for imaging in X-rays. We present here the results of our experiments with several pairs of tungsten made Fresnel Zone plates in presence of an X-ray source kept at a distance of about 45 feet. The quasi-parallel beam allowed us to study sources placed on the axis as well as off the axis of the telescope. We present theoretical study of the fringe patterns produced by the zone plates in presence of a quasi-parallel source. We compare the patterns obtained from experiments with those obtained by our Monte-Carlo simulations. The images are also reconstructed by deconvolution from both the patterns. We compare the performance of such a telescope with other X-ray imaging devices used in space-astronomy.

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