Lethality Effects of a High-Power Solid-State Laser

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We study the material interactions of a 25-kW solid-state laser, in experiments characterized by relatively large spot size sizes ({approx}3 cm) and the presence of airflow. The targets are 1-cm slabs of iron or aluminum. In the experiments with iron, we show that combustion plays an important role in heating the material. In the experiments with aluminum, there is a narrow range of intensities within which the material interactions vary from no melting at all to complete melt-through. A paint layer serves to increase the absorption. We explain these effects and incorporate them into a comprehensive computational model.

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Boley, C; Fochs, S & Rubenchik, A March 7, 2007.

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Description

We study the material interactions of a 25-kW solid-state laser, in experiments characterized by relatively large spot size sizes ({approx}3 cm) and the presence of airflow. The targets are 1-cm slabs of iron or aluminum. In the experiments with iron, we show that combustion plays an important role in heating the material. In the experiments with aluminum, there is a narrow range of intensities within which the material interactions vary from no melting at all to complete melt-through. A paint layer serves to increase the absorption. We explain these effects and incorporate them into a comprehensive computational model.

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PDF-file: 15 pages; size: 6.5 Mbytes

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  • Presented at: Directed Energy Symposium, Monterey, CA, United States, Mar 18 - Mar 23, 2007

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  • Report No.: UCRL-CONF-229010
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 902884
  • Archival Resource Key: ark:/67531/metadc890422

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Office of Scientific & Technical Information Technical Reports

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  • March 7, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 29, 2016, 6:30 p.m.

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Boley, C; Fochs, S & Rubenchik, A. Lethality Effects of a High-Power Solid-State Laser, article, March 7, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc890422/: accessed November 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.