TITLE

Recombination effects during expansion into vacuum in laser produced Sn plasma

AUTHOR(S)
Burdt, Russell A.; Yoshifumi Ueno; Yezheng Tao; Yuspeh, Sam; Tillack, Mark S.; Najmabadi, Farrokh
PUB. DATE
July 2010
SOURCE
Applied Physics Letters;7/26/2010, Vol. 97 Issue 4, p041502
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The distance over which the charge state distribution evolves during the expansion of laser produced Sn plasma in vacuum is investigated experimentally. This distance is found to be less than 6 cm with a planar target irradiated by a 1.064 μm laser at 8.3×1011 W/cm2 but greater than 60 cm when a 10.6 μm laser at 2.5×1010 W/cm2 is used. The difference is attributed to the laser wavelength dependence of the coronal electron density and the subsequent recombination processes during expansion. Important implications to the extreme ultraviolet x-ray source application are discussed specifically.
ACCESSION #
52616394

 

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