Self-channeled laser pulse induced effects at distance

Robert Bernath; Martin Richardson

doi:10.1117/12.815314

19 February 2009 Self-channeled laser pulse induced effects at distance

Robert Bernath, Martin Richardson

Proceedings Volume 7196, High Energy/Average Power Lasers and Intense Beam Applications III; 71960C (2009) https://doi.org/10.1117/12.815314
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

Studies were performed using self-channeled femtosecond laser pulses (filaments) interacting with various materials at a distance of 30 meters. Using time resolved optical shadowgraphy, the filament interaction with the target is observed. Shockwaves in both the target and the surrounding atmosphere are observed and their velocities measured. Estimations of the shockwave energy are made from these observations. In transparent targets, optical coupling into the target material is observed. This coupling results in optical damage lines in the material. Results of the filament interactions will be discussed along with supporting modeling.

Citation Download Citation

Robert Bernath and Martin Richardson "Self-channeled laser pulse induced effects at distance", Proc. SPIE 7196, High Energy/Average Power Lasers and Intense Beam Applications III, 71960C (19 February 2009); https://doi.org/10.1117/12.815314

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