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28 Jun 2010

Volume 96, Issue 26, Articles (26xxxx)

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Appl. Phys. Lett. 96, 261101 (2010); http://dx.doi.org/10.1063/1.3456618 (3 pages)

I. V. Konoplev, L. Fisher, A. W. Cross, A. D. R. Phelps, K. Ronald, and C. W. Robertson
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Heating dynamics and extreme ultraviolet radiation emission of laser-produced Sn plasmas

S. Yuspeh, K. L. Sequoia, Y. Tao, M. S. Tillack, R. A. Burdt, and F. Najmabadi

Appl. Phys. Lett. 96, 261501 (2010); http://dx.doi.org/10.1063/1.3458696 (3 pages) | Cited 2 times

Online Publication Date: 30 June 2010

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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.
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52.50.Jm Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.)
52.50.Dg Plasma sources
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