Highly efficient angularly resolving x-ray spectrometer optimized for absorption measurements with collimated sources

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F17%3A00478371" target="_blank" >RIV/68378271:_____/17:00478371 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1063/1.4986464" target="_blank" >http://dx.doi.org/10.1063/1.4986464</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.4986464" target="_blank" >10.1063/1.4986464</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Highly efficient angularly resolving x-ray spectrometer optimized for absorption measurements with collimated sources

Popis výsledku v původním jazyce

Highly collimated betatron radiation from a laser wakefield accelerator is a promising tool for spectroscopic measurements. Therefore, there is a requirement to create spectrometers suited to the unique properties of such a source. We demonstrate a spectrometer which achieves an energy resolution of < 5 eV at 9 keV (E/Delta E > 1800) and is angularly resolving the x-ray emission allowing the reference and spectrum to be recorded at the same time. The single photon analysis is used to significantly reduce the background noise. Theoretical performance of various configurations of the spectrometer is calculated by a ray-tracing algorithm. The properties and performance of the spectrometer including the angular and spectral resolution are demonstrated experimentally on absorption above the K-edge of a Cu foil backlit by a laser-produced betatron radiation x-ray beam. Published by AIP Publishing.

Název v anglickém jazyce

Highly efficient angularly resolving x-ray spectrometer optimized for absorption measurements with collimated sources

Popis výsledku anglicky

Highly collimated betatron radiation from a laser wakefield accelerator is a promising tool for spectroscopic measurements. Therefore, there is a requirement to create spectrometers suited to the unique properties of such a source. We demonstrate a spectrometer which achieves an energy resolution of < 5 eV at 9 keV (E/Delta E > 1800) and is angularly resolving the x-ray emission allowing the reference and spectrum to be recorded at the same time. The single photon analysis is used to significantly reduce the background noise. Theoretical performance of various configurations of the spectrometer is calculated by a ray-tracing algorithm. The properties and performance of the spectrometer including the angular and spectral resolution are demonstrated experimentally on absorption above the K-edge of a Cu foil backlit by a laser-produced betatron radiation x-ray beam. Published by AIP Publishing.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Review of Scientific Instruments

ISSN

0034-6748

e-ISSN

—

Svazek periodika

88

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

—

Kód UT WoS článku

000404641300002

EID výsledku v databázi Scopus

2-s2.0-85021112163