Interaction of ISI smoothed laser beams with low-density supercritical foam targets at AEEF ABC facility

Carmela Strangio; Angelo Caruso; Sergei Yu Gus'kov; Vladislav B. Rozanov; Alexander A. Rupasov

doi:10.1117/12.533840

12 December 2003 Interaction of ISI smoothed laser beams with low-density supercritical foam targets at AEEF ABC facility

Carmela Strangio, Angelo Caruso, Sergei Yu Gus'kov, Vladislav B. Rozanov, Alexander A. Rupasov

Author Affiliations +

Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.533840
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation

Abstract

The results of a preliminary experiment on laser foam interaction performed at the ABC installation of the Associazione EURATOM-ENEA sulla Fusione are presented. Plastic foams with density of 5 - 20 mg/cm³ were irradiated with light produced from the neodymium laser of ABC (λ = 1.054 μm) and processed through a proper optical system to produce near field ISI smoothed radiation at ≈10¹³W/cm² on the target. The use of a smoothed beam was essential to detect in the plasma and in the accelerated dense phase evolving features related to the target foam structure without mixing with those of the irradiating beam. Structures in the plasma corona and in the dense phase were detected by optical shadography of foam slabs. In the same experiment time-dependent transmission of laser light through slabs of foams was measured by target imaging and masking on a photodiode (bandwidth of the system 5 GHz).

Citation Download Citation

Carmela Strangio, Angelo Caruso, Sergei Yu Gus'kov, Vladislav B. Rozanov, and Alexander A. Rupasov "Interaction of ISI smoothed laser beams with low-density supercritical foam targets at AEEF ABC facility", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); https://doi.org/10.1117/12.533840

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KEYWORDS

Foam

Photodiodes

Plasma

Protactinium

Transmittance

Imaging systems

Opacity

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