Ion track filters in imaging X-ray astronomy

Details Ion track filters in imaging X-ray astronomy Ion track filters in imaging X-ray astronomy

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006nimpb.245..332m&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section B, Volume 245, Issue 1, p. 332-336.

Physics

2

X- And Gamma-Ray Telescopes And Instrumentation, X- And Gamma-Ray Sources, Mirrors, Gratings, And Detectors, Wave Propagation In Random Media, Image Forming And Processing, Light-Sensitive Materials, Powders, Porous Materials

Scientific paper

The application of ion track filters as blocking cut-off filters for solar telescopes in imaging X-ray astronomy is presented. Ion track membranes (ITMs) of high-porosity constitute a randomly inhomogeneous medium with sub-micrometer or micrometer open pores which not only transmits X-ray or extreme ultra violet (EUV) radiation and blocks long-wavelength UV radiation, but also transfers a focused imaging pattern with high-quality for further registration by means of CCD or imaging detectors of other types. X-ray and EUV filters based on ITMs with cylindrical parallel pores were successfully used as detector filters in the solar X-ray telescopes designed and manufactured at the Lebedev Physical Institute of the Russian Academy of Sciences (LPI, Moscow).

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