Transmission diffractive patterns of large microchannel plates at soft X-ray energies

doi:10.1016/j.nimb.2017.02.075

Transmission diffractive patterns of large microchannel plates at soft X-ray energies

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Transmission diffractive patterns of large microchannel plates at soft X-ray energies

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Bibliographic description

punktacja MEiN [2017 A]: 25

title:	Transmission diffractive patterns of large microchannel plates at soft X-ray energies
author:	Mazuritskiy M. I., Dabagov S. B., Lerer A. M., Dziedzic-Kocurek Katarzyna , Sokolov A., Coreno M., Turchini S., D'Elia A., Sacchi M., Marcelli A.
journal title:	Nuclear Instruments and Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms
volume:	402
date of publication :	2017
pages:	282-286
ISSN:	0168-583X
eISSN:	1872-9584
DOI:	10.1016/j.nimb.2017.02.075
language:	English
journal language:	English
abstract in English:	In this contribution we compare experimental and theoretical diffractive patterns of Micro Channel Plates (MCPs) in transmission. We evaluate the transmission efficiency of different optical devices at different energies of the primary X-ray radiation in the normal incidence geometry. Data were collected performing angular scans of both the MCP device and of the detector in the range of a few degrees. We analyzed MCPs of 33mm and 20mm diameter and ∼300µm thickness, having circular micro-channels of 3.4µm directed normal to the MCP surface. Quite symmetric patterns of increasing complexity from high to low photon energy have been collected. Their shape and intensity are in reasonable agreement with preliminary simulations.
keywords in English:	capillary, channeling phenomena, X-ray, X-ray emission and fluorescence, X-ray optics
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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