|Author||Matsukuma, Hiraku ♦ Hosoda, Tatsuya ♦ Fujioka, Shinsuke ♦ Nishimura, Hiroaki ♦ Sunahara, Atsushi ♦ Yanagida, Tatsuya ♦ Tomuro, Hiroaki ♦ Kouge, Kouichiro ♦ Kodama, Takeshi|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ♦ CONVERSION ♦ CORRELATIONS ♦ DENSITY ♦ EFFICIENCY ♦ EXTREME ULTRAVIOLET RADIATION ♦ LASERS ♦ PLASMA ♦ PULSES ♦ SELF-ABSORPTION ♦ TIN|
|Abstract||The correlation between the laser absorption and the conversion efficiency (CE) for 13.5 nm extreme ultraviolet (EUV) light in a laser-produced tin plasma was investigated. The absorption rate α and the CE were measured simultaneously for a laser-pre-formed low-density tin target as a function of the time delay between the pre-pulse and the main laser pulse. A clear and positive correlation between α and CE was found with increasing delay time; however, the CE decreases rapidly at longer delay times. This result is partly attributed to a reduction in the absorption rate, but is mainly attributed to the self-absorption of EUV light in excessively long-scale plasmas.|
|Learning Resource Type||Article|
|Publisher Place||United States|
|Journal||Applied Physics Letters|
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