Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jphy3...4.1599c&link_type=abstract
J. Phys., III, Vol. 4, No. 9, p. 1599 - 1612
Astronomy and Astrophysics
Astronomy
1
Space Instrumentation: X-Ray Astronomy
Scientific paper
Nanometer scale structures such as multilayers, gratings and natural crystals are playing an increasing role in spectroscopic applications for X-ray astrophysics. A few examples are briefly described as an introduction to current and planned applications. These examples include: 1. the application of multilayered Si crystals for simultaneous spectroscopy in two energy bands one centred around the SK-emission near 2.45 keV and the other below the CK absorption edge at 0.284 keV; 2. the use of in-depth graded period multilayer structures for broad band spectroscopy in the energy range up to 100 keV; 3. the potential use of large perfect asymmetrically cut Si or Ge crystals combined with a short focal length multilayer telescope for ultra high energy resolution solar/stellar spectroscopy with E/ΔE > 104 and; 4. high throughput multilayer coated telescope for high resolution Fe K line spectroscopy with microcalorimeters.
Abdali Salim
Borozdin Konstantin
Christensen Finn E.
Frederiksen Peter K.
Geppert Ulrich
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