Exploring 2omega laser-plasma interactions on the HELEN laser system

Kevin A. Oades; Mark Stevenson; Gary E. Slark; Laurence J. Suter; Michael C. Miller; Jacob Grun; John F. Davis; Robert L. Kauffman

doi:10.1117/12.535908

12 December 2003 Exploring 2ω laser-plasma interactions on the HELEN laser system

Kevin A. Oades, Mark Stevenson, Gary E. Slark, Laurence J. Suter, Michael C. Miller, Jacob Grun, John F. Davis, Robert L. Kauffman

Author Affiliations +

Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.535908
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation

Abstract

We report on an extensive series of experiments using 2ω light on a variety of gaseous targets at the HELEN laser facility at AWE. The aims of the experiments were to investigate laser-plasma interactions and hot electron generation for 2ω light, and to test schemes for efficiently producing multi-keV X-rays. The experiments were diagnosed by an extensive suite of optical and x-ray instrumentation, including streaked SRS and SBS spectrographs, hard X-ray and Dante measurements. The targets used to data have been filled with C₅H₁₂, CO₂ and Kr. These three targets give very different backscatter, including almost no backscatter from the Kr targets, showing that plasma composition can also be used to minimize backscatter losses. These data also indicate that is possible to produce or quench hot electron production by varying the plasma composition, even near quarter critical density.

Citation Download Citation

Kevin A. Oades, Mark Stevenson, Gary E. Slark, Laurence J. Suter, Michael C. Miller, Jacob Grun, John F. Davis, and Robert L. Kauffman "Exploring 2ω laser-plasma interactions on the HELEN laser system", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); https://doi.org/10.1117/12.535908

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