17 September 2012 X-ray interferometer with an x-ray beam splitter
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Abstract
We report our examination of a new X-ray interferometer for observation of celestial objects and our recent work for preparation of laboratory experiments. The new X-ray interferometer is consisting of two at mirrors and one at beam splitter which are used as grazing incident optics. The aimed wave length is a O-K band or a C-K band. The beam splitter and the mirrors are fabricated by Mo/Si multilayer. We measured their atness and found that the measured atness is acceptable for the test experiment. A pin hole X-ray source is also preparing for a laboratory experiment in order to demonstrate a X-ray interference. We investigated a possible observation of accretion disks around BHs and nearby stars. With a reasonable size of the base line, we can measure their size and possibly we can obtain an evidence of a black hole shadow.
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S. Kitamoto, S. Kitamoto, K. Sakata, K. Sakata, H. Murakami, H. Murakami, Y. Yoshida, Y. Yoshida, H. Seta, H. Seta, } "X-ray interferometer with an x-ray beam splitter", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 84430X (17 September 2012); doi: 10.1117/12.926058; https://doi.org/10.1117/12.926058
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