TITLE

Lithium metal for x-ray refractive optics

AUTHOR(S)
Dufresne, E. M.; Arms, D. A.; Clarke, R.; Pereira, N. R.; Dierker, S. B.; Foster, D.
PUB. DATE
December 2001
SOURCE
Applied Physics Letters;12/17/2001, Vol. 79 Issue 25, p4085
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Lithium metal is the best material for refractive lenses that must focus x-rays with energies below 15 keV, but to date no lens from Li has been reported. This letter demonstrates focusing of 10 keV x-rays with a one-dimensional sawtooth lens made from Li. The lens' theoretical gain is 4.5, with manufacturing imperfections likely responsible for the threefold gain that is observed. Despite the Li reactivity the lens is stable over months of operation if kept under vacuum. © 2001 American Institute of Physics. [DOI: 10.1063/1.1425068].
ACCESSION #
5669602

 

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