Experimental measurements of optical constants of metals in the two-temperature state

S. I. Ashitkov; P. S. Komarov; E. V. Struleva; A. A. Yurkevich; M. B. Agranat

doi:10.1134/S0018151X1606002X

Experimental measurements of optical constants of metals in the two-temperature state

Authors: Ashitkov S.I.¹, Komarov P.S.¹, Struleva E.V.¹, Yurkevich A.A.¹, Agranat M.B.¹
Affiliations:
1. Joint Institute for High Temperatures
Issue: Vol 54, No 6 (2016)
Pages: 899-901
Section: Short Communications
URL: https://journals.rcsi.science/0018-151X/article/view/156993
DOI: https://doi.org/10.1134/S0018151X1606002X
ID: 156993

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Abstract

Complex permittivity of metals being in the two-temperature state of electron and ion sub-systems excited by the femtosecond laser pulses is measured. Diagnostics of the optical properties was performed in the sub-picosecond range, in the visible spectral range at the wavelengths of 800, 620, and 400 nm for gold, silver, nickel, and vanadium under electron sub-system heating up to 10–30 kK.