There is a limited data set over the full range of laser fluences of interest with multiple tamper materials and thicknesses. An example of how the generated impulse scales with the incident laser fluence for various tamper materials is shown in Figure 6. An example of the measured stress profile for an Al sample is shown in Figure 7. For more information on recent experiments and results, please reach out to the NIF DLI Experimental Lead, NIF NSA Program Manager, or DLI User Group Point of Contact. Additionally, background information on laser generated impulses, confined laser ablation, and tamper performance can be found in the following references:
[1] S. Ly, J. Lee, A. M. Rubenchik, J. C. Crowhurst, C. D. Boley, V. N. Peters, and W. J. Keller, “Tamper performance for confined laser drive applications," Optics Express, 31, 14 (2023)
[2] R. Fabbro, J. Fournier, P. Ballard, D. Devaux, J. Virmont, “Physical study of laser-produced plasma in confined regime,” Journal of Applied Physics, 68, 775 (1990)
[3] C. R. Phipps, Jr., T. P. Turner, R. F. Harrison, G. W. York, W. Z. Osborne, G. K. Anderson, X. F. Corliss, L. C. Hayes, H. S. Steele, K. C. Spicochi, and T. R. King, “Impulse coupling to targets in vacuum by KrF, HF, and CO2 single-pulse lasers,” Journal of Applied Physics, 64, 1083 (1988)