Surface harmonics generation with a 100 TW table-top laser system

M. Behmke; C. Rödel; M. Heyer; M. Kübel; T. Toncian; O. Jäckel; M. Toncian; H. C. Ahlswede; U. Teubner

doi:10.1117/12.849837

11 November 2009 Surface harmonics generation with a 100 TW table-top laser system

M. Behmke, C. Rödel, M. Heyer, M. Kübel, T. Toncian, O. Jäckel, M. Toncian, H. C. Ahlswede, U. Teubner

Author Affiliations +

Proceedings Volume 7501, International Conference on Ultrafast and Nonlinear Optics 2009; 75010A (2009) https://doi.org/10.1117/12.849837
Event: Ultrafast Nonlinear Optics 2009, 2009, Bourgas, Bulgaria

Abstract

The interaction of an extremely intense laser beam with the dense plasma generated on a solid target can lead to coherent electron dynamics at the vacuum plasma interface which causes the emission of ultra short light bursts within each optical cycle of the driving laser pulse. Therefore, the resulting pulse train consists of high harmonics of the laser fundamental frequency. We report on the, to our knowledge, first observation of surface-harmonics up to the 42nd order without any contrast improvement by a plasma mirror. In the spectral region from the 25th to the 40th order approximately 10⁷ photons were detected in a solid angle of 4 • 10^-4 sr.

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M. Behmke, C. Rödel, M. Heyer, M. Kübel, T. Toncian, O. Jäckel, M. Toncian, H. C. Ahlswede, and U. Teubner "Surface harmonics generation with a 100 TW table-top laser system", Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 75010A (11 November 2009); https://doi.org/10.1117/12.849837

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