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Proceedings Paper

Materials for laser propulsion: "liquid" polymers
Author(s): T. Lippert; L. Urech; R. Fardel; M. Nagel; C. R. Phipps; A. Wokaun
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Paper Abstract

The application of energetic polymers has resulted in an increased thrust in micro laser plasma thrusters compared to standard polymers. In this study we tested a novel concept for micro laser plasma thrusters, i.e. the application of liquid polymeric fuels, by using polymer solutions of the energetic materials with different viscosity. Shadowgraphy experiments suggest that for higher viscosity solutions ablation without splashing is possible, indicating that liquids are applicable as fuels in laser plasma thrusters. First thrust measurements on a viscous polymer solution confirmed this by yielding a specific impulse similar to a solid material.

Paper Details

Date Published: 16 May 2008
PDF: 10 pages
Proc. SPIE 7005, High-Power Laser Ablation VII, 700512 (16 May 2008); doi: 10.1117/12.782867
Show Author Affiliations
T. Lippert, Paul Scherrer Institut (Switzerland)
L. Urech, Paul Scherrer Institut (Switzerland)
R. Fardel, Paul Scherrer Institut (Switzerland)
Empa (Switzerland)
M. Nagel, Empa (Switzerland)
C. R. Phipps, Photonic Associates, LLC (United States)
A. Wokaun, Paul Scherrer Institut (Switzerland)

Published in SPIE Proceedings Vol. 7005:
High-Power Laser Ablation VII
Claude R. Phipps, Editor(s)

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