11 March 2003 Thin plastic shell x-ray optics: an update
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Abstract
We present new results from a program to develop large area X-ray telescopes that are made from thin plastic shells. We use multi-shell cylindrical lenses in a point-to-point configuration to form full aperture images of the small focal spot in a an X-ray tube on a microchannel plate detector. The image data are analyzed to yield radial profiles and encircled energy curves. The derived parameters can be extrapolated to the case of a telescope that is a conical approximation to Wolter 1 optics. The plastic shells can be coated with suitable mono- or multilayers that allow for a wideband coverage of X-ray energies. Our current program is focused on the development of a large area, hard X-ray telescope for a balloon payload.
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Herbert W. Schnopper, Marco Barbera, Eric H. Silver, Russell H. Ingram, Finn Erland Christensen, Suzanne E. Romaine, Lester M. Cohen, Alfonso Collura, Stephen S. Murray, "Thin plastic shell x-ray optics: an update", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); doi: 10.1117/12.461286; https://doi.org/10.1117/12.461286
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