Publication: Coherent X-ray Fluorescent Excitation inside MCP Microchannels: Axial Channeling and Wave Propagation
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2021
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© 2021, Pleiades Publishing, Ltd.Abstract: We have experimentally and theoretically characterised silicon-glass Micro-Channel Plate (MCP) devices doped with cobalt atoms. Under anomalous scattering condition near the SiL-edges and CoK-edge we have proved the coherent excitation and the axial propagation of the induced fluorescence radiation inside micro-channels. Chemical modification of the MCP inner surface shows the efficient transmission of hard X-ray secondary radiation at the primary radiation energies of ~100 eV and ~8 keV. Experimental tests for these X-ray waveguides have been performed utilising both synchrotron radiation and conventional X-ray sources. X-ray pattern simulations point out that the propagating radiation has a waveguide modal character, which is described as axial channeling of the secondary fluorescence radiation.
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Coherent X-ray Fluorescent Excitation inside MCP Microchannels: Axial Channeling and Wave Propagation / Mazuritskiy, M.I. [et al.] // Journal of Surface Investigation. - 2021. - 15. - № 3. - P. 513-519. - 10.1134/S1027451021010286
URI
https://www.doi.org/10.1134/S1027451021010286
https://www.scopus.com/record/display.uri?eid=2-s2.0-85108878142&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000667487100015
https://openrepository.mephi.ru/handle/123456789/24322
https://www.scopus.com/record/display.uri?eid=2-s2.0-85108878142&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000667487100015
https://openrepository.mephi.ru/handle/123456789/24322