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Heating dynamics and extreme ultraviolet radiation emission of laser-produced Sn plasmas

Source: Appl. Phys. Lett. 96, 261501 (2010); doi:10.1063/1.3458696

Published 30 June 2010

KEYWORDS and PACS
Keywords
PACS
  • 52.50.Jm
    Plasma production and heating by laser beams
  • 52.50.Dg
    Plasma sources
  • YEAR: 2010
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PUBLICATION DATA
ISSN:
1553-9601 (online)
Publisher:
AIP is a member of CrossRef AIP
S. Yuspeh, K. L. Sequoia, Y. Tao, M. S. Tillack, R. A. Burdt, and F. Najmabadi
Department of Electrical and Computer Engineering, Center for Energy Research, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0417, USA
The impact of 1.064  µm laser absorption depth on the heating and in-band (2% bandwidth) 13.5 nm extreme ultraviolet emissions in Sn plasmas is investigated experimentally and numerically. In-band emission lasting longer than the laser pulse and separation between the laser absorption and in-band emission region are observed. Maximum efficiency is achieved by additional heating of the core of the plasma to allow the optimal temperature to expand to a lower and more optically thin density. This leads to higher temperature plasma that emits less in-band light as compared to CO2 produced plasma sources for the same application. ©2010 American Institute of Physics
History: Received 17 February 2010; accepted 9 June 2010; published 30 June 2010
Permalink: http://link.aip.org/link/?APPLAB/96/261501/1

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