Ultrafast nonlinear optical method for generation of flat-top shocks

David S. Moore; Kevin T. Gahagan; Thomas Lippert; David J. Funk; S. J. Buelow; R. L. Rabie

doi:10.1117/12.407371

16 August 2000 Ultrafast nonlinear optical method for generation of flat-top shocks

David S. Moore, Kevin T. Gahagan, Thomas Lippert, David J. Funk, S. J. Buelow, R. L. Rabie

Proceedings Volume 4065, High-Power Laser Ablation III; (2000) https://doi.org/10.1117/12.407371
Event: High-Power Laser Ablation, 2000, Santa Fe, NM, United States

Abstract

Flat top shocks generated reproducibly by short pulse lasers are useful in studies of shock compression phenomena and may have applications in materials science, biology, and medicine. We have found the fluence profiles of Gaussian spatial mode 120 - 400 fs duration incident laser pulses are reproducibly flattened via surface optical breakdown in dielectric substrates at fluences just about the breakdown threshold. These flat top laser profiles have been used to produce shocks flat to 0.7 nm RMS over a 75 - 100 micrometer diameter.

Citation Download Citation

David S. Moore, Kevin T. Gahagan, Thomas Lippert, David J. Funk, S. J. Buelow, and R. L. Rabie "Ultrafast nonlinear optical method for generation of flat-top shocks", Proc. SPIE 4065, High-Power Laser Ablation III, (16 August 2000); https://doi.org/10.1117/12.407371

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