Damage effects of filaments on non-transparent materials at long distances

Karsten Diener; Harmut Borchert; Rüdiger Schmitt; Magali Durand; Aurélien Houard; Bernard Prade; André Mysyrowicz; Anne Durécu; Didier Fleury; Bernard Moreau; Olivier Vasseur; Francis Théberge; Marc Chateauneuf; Jacques Dubois

doi:10.1117/12.898413

22 November 2011 Damage effects of filaments on non-transparent materials at long distances

Karsten Diener, Harmut Borchert, Rüdiger Schmitt, Magali Durand, Aurélien Houard, Bernard Prade, André Mysyrowicz, Anne Durécu, Didier Fleury, Bernard Moreau, Olivier Vasseur, Francis Théberge, Marc Chateauneuf, Jacques Dubois

Author Affiliations +

Proceedings Volume 8190, Laser-Induced Damage in Optical Materials: 2011; 819013 (2011) https://doi.org/10.1117/12.898413
Event: SPIE Laser Damage, 2011, Boulder, Colorado, United States

Abstract

We observed multiple filamentation of a Terawatt fs-laser beam (λ = 800 nm, E = 170 mJ/pulse) after 1 km horizontal propagation in the atmosphere. The interaction of these filaments with the non-transparent targets was studied. The filaments were strong enough to damage the surface of optical windows like Ge and ZnSe even at long distances and under turbulent conditions. The damage effects were analysed by studying the modulation transfer function (MTF), the spectral transmission loss, the ablation depth and the damage threshold. LIBS was applied to estimate the plasma temperature during the interaction process.

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Karsten Diener, Harmut Borchert, Rüdiger Schmitt, Magali Durand, Aurélien Houard, Bernard Prade, André Mysyrowicz, Anne Durécu, Didier Fleury, Bernard Moreau, Olivier Vasseur, Francis Théberge, Marc Chateauneuf, and Jacques Dubois "Damage effects of filaments on non-transparent materials at long distances", Proc. SPIE 8190, Laser-Induced Damage in Optical Materials: 2011, 819013 (22 November 2011); https://doi.org/10.1117/12.898413

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