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Phys. Rev. E 80, 015401(R) (2009) [4 pages]

Single-shot optical conductivity measurement of dense aluminum plasmas

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I. V. Churina, B.-I. Cho, A. Bernstein, D. S. Stoker, A. Dalton, D. R. Symes, and T. Ditmire
Department of Physics, Texas Center for High Intensity Laser Science, The University of Texas at Austin, Austin, Texas 78712, USA

Received 16 October 2008; revised 16 June 2009; published 9 July 2009

The optical conductivity of a dense femtosecond laser-heated aluminum plasma heated to 0.1–1.5 eV was measured using frequency-domain interferometry with chirped pulses, permitting simultaneous observation of optical probe reflectivity and probe pulse phase shift. Coupled with published models of bound-electron contributions to the conductivity, these two independent experimental data yielded a direct measurement of both real and imaginary components of the plasma conductivity.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.80.015401
DOI:
10.1103/PhysRevE.80.015401
PACS:
52.27.Gr, 52.25.Mq, 52.50.Jm
 
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