Polarization independent hot electron production from modulated solid surfaces

Rajeev, P. P. ; Kumar, G. Ravindra (2003) Polarization independent hot electron production from modulated solid surfaces Optics Communications, 222 (1-6). pp. 9-15. ISSN 0030-4018

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00304...

Related URL: http://dx.doi.org/10.1016/S0030-4018(03)01494-9

Abstract

We present measurements of hard X-rays in the 50-300 keV range from copper plasmas produced by 100 fs, 806 nm laser pulses at a peak intensity ~1016 W cm-2. Surface roughness, even at the tens of nanometer level, is shown to influence the emission characteristics. The enhanced emission from rough targets is attributed to depolarization of light as well as extra absorption facilitated by the surface irregularities.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Hard X-rays; Laser Produced Plasma; Surface Roughness
ID Code:29697
Deposited On:23 Dec 2010 05:33
Last Modified:04 Jun 2011 09:30

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