Effect of high x‐ray fluxes on laser‐plasma x‐ray spectrometers

Autor:	Robert R. Whitlock, Justin Wark
Rok vydání:	1993
Předmět:	X-ray spectroscopy Materials science business.industry X-ray chemistry.chemical_element Radiation Laser law.invention Crystal Radiation flux Optics chemistry law Plasma diagnostics business Instrumentation Titanium
Zdroj:	Review of Scientific Instruments. 64:1718-1722
ISSN:	1089-7623 0034-6748
DOI:	10.1063/1.1143999
Popis:	LiF (200) crystals were heated with the x rays produced when a 30 J, 0.35 μm laser pulse of 0.6 ns duration was incident on a gold‐coated titanium target at an irradiance of 2.5×1015 W cm−2. A filter arrangement allowed half of the crystal to be heated by the broad band x radiation from the gold plasma, whilst effectively shielding the other half of the crystal. The reflectivity of both x‐ray heated and unheated portions of the crystal was monitored by diffracting He‐α radiation from the underlying titanium from both parts of the crystal. Significant increases in the integrated reflectivity (36%) of the heated crystal were found.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9976bc3a6ee88ac28fdb0e1b3b28a43d https://doi.org/10.1063/1.1143999 Zobrazit plný text záznamu