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Laser Focusing

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Experimental Methods of Shock Wave Research

Part of the book series: Shock Wave Science and Technology Reference Library ((SHOCKWAVES,volume 9))

Abstract

When some amount of energy is released into matter during a short period, its temperature and pressure increase; even if the matter is initially in its condensed phase, the phase can change to gas. Due to the mechanical imbalance between the high-temperature gas and the surrounding media, the former expands, driving the latter outward. This situation is equivalent to what happens in the so-called ‘piston problem,’ in which a piston pushes the gas in front of it, sending a shock wave ahead. In the present case, the contact surface between the high-pressure gas and the surrounding media acts as a piston.

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Notes

  1. 1.

    Later, they developed a different type of LITA in which the tube was in vacuum, a solid-state ablator is set on the wall of the launch tube (wall-propelled LITA, [11]).

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Author information

Authors and Affiliations

  1. Department of Aerospace Engineering, Nagoya University, Nagoya, 464-8601, Japan

    Akihiro Sasoh

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  1. Akihiro Sasoh
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Correspondence to Akihiro Sasoh .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, Ben Gurion University of the Negev, Beer Sheva, Israel

    Ozer Igra

  2. Institute for Fluid Mechanics (ISTM), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany

    Friedrich Seiler

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© 2016 Springer International Publishing Switzerland

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Sasoh, A. (2016). Laser Focusing. In: Igra, O., Seiler, F. (eds) Experimental Methods of Shock Wave Research. Shock Wave Science and Technology Reference Library, vol 9. Springer, Cham. https://doi.org/10.1007/978-3-319-23745-9_4

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  • DOI: https://doi.org/10.1007/978-3-319-23745-9_4

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-23744-2

  • Online ISBN: 978-3-319-23745-9

  • eBook Packages: EngineeringEngineering (R0)

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