Femtosecond laser interaction with energetic materials

Edward V. Roos; Jerry J. Benterou; Ronald S. Lee; Frank Roseke; Brent C. Stuart

doi:10.1117/12.482111

13 September 2002 Femtosecond laser interaction with energetic materials

Edward V. Roos, Jerry J. Benterou, Ronald S. Lee, Frank Roseke, Brent C. Stuart

Proceedings Volume 4760, High-Power Laser Ablation IV; (2002) https://doi.org/10.1117/12.482111
Event: International Symposium on High-Power Laser Ablation 2002, 2002, Taos, New Mexico, United States

Abstract

Femtosecond laser ablation shows promise in machining energetic materials into desired shapes with minimal thermal and mechanical effects to the remaining material. We will discuss the physical effects associated with machining energetic materials and assemblies containing energetic materials, based on experimental results. Interaction of ultra-short laser pulses with matter will produce high temperature plasma at high-pressure which results in the ablation of material. In the case of energetic material, which includes high explosives, propellants and pyrotechnics, this ablation process must be accomplished without coupling energy into the energetic material. Experiments were conducted in order to characterize and better understand the phenomena of femtosecond laser pulse ablation on a variety of explosives and propellants. Experimental data will be presented for laser fluence thresholds, machining rates, cutting depths and surface quality of the cuts.

Citation Download Citation

Edward V. Roos, Jerry J. Benterou, Ronald S. Lee, Frank Roseke, and Brent C. Stuart "Femtosecond laser interaction with energetic materials", Proc. SPIE 4760, High-Power Laser Ablation IV, (13 September 2002); https://doi.org/10.1117/12.482111

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