| Autor: |
Andrey Popov, S. V. Lavrishchev, I. A. Artyukov, Inna Bukreeva, Aleksandr V Vinogradov, Werner Jark, K. M. Golant, R. M. Feshchenko, A. N. Mitrofanov, V.A. Chernov |
| Rok vydání: |
2009 |
| Předmět: |
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| Zdroj: |
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 603:66-68 |
| ISSN: |
0168-9002 |
| Popis: |
Fresnel X-ray zone plates, which have been extensively developed for the last 20 years, are widely used for X-ray imaging in the hard part of the X-ray spectrum. In this paper zone plates based on the SPCVD (Surface Plasma Chemical Vacuum Deposition) technology are proposed and their optical properties in the hard X-ray range 10–30 keV are discussed. It will be shown that this technology enables production of zone plates working in the 10–30 keV range based on SiO2/GeO2 multilayer structures. The first zone plate samples based on SPCVD technology have been fabricated and tested. The parameters of the zone plates are: diameter 0.1–2.5 mm, number of zones 1000–2000, focal distance 1–5 m. The X-ray zone plates suggested here, if successful, will dramatically reduce the cost of imaging experiments in the hard X-ray spectral region, while maintaining spatial resolution high enough to be useful for the X-ray microanalysis, X-ray microscopy and focusing of the X-ray radiation. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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Full Text from ScienceDirect