SOLAR PUMPED LASER MICROTHRUSTER

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The development of microsatellites requires the development of engines to modify their orbit. It is natural to use solar energy to drive such engines. For an unlimited energy source the optimal thruster must use a minimal amount of expendable material to minimize launch costs. This requires the ejected material to have the maximal velocity and, hence, the ejected atoms must be as light as possible and be ejected by as high an energy density source as possible. Such a propulsion can be induced by pulses from an ultra-short laser. The ultra-short laser provides the high-energy concentration and high-ejected velocity. We ... continued below

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Rubenchik, A M; Beach, R; Dawson, J & Siders, C W February 5, 2010.

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The development of microsatellites requires the development of engines to modify their orbit. It is natural to use solar energy to drive such engines. For an unlimited energy source the optimal thruster must use a minimal amount of expendable material to minimize launch costs. This requires the ejected material to have the maximal velocity and, hence, the ejected atoms must be as light as possible and be ejected by as high an energy density source as possible. Such a propulsion can be induced by pulses from an ultra-short laser. The ultra-short laser provides the high-energy concentration and high-ejected velocity. We suggest a microthruster system comprised of an inflatable solar concentrator, a solar panel, and a diode-pumped fiber laser. We will describe the system design and give weight estimates.

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PDF-file: 6 pages; size: 0.6 Mbytes

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  • Presented at: HPLA 2010, Santa Fe, NM, United States, Apr 18 - Apr 22, 2010

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  • Report No.: LLNL-CONF-423782
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 978907
  • Archival Resource Key: ark:/67531/metadc927437

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  • February 5, 2010

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 7, 2016, 9:28 p.m.

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Rubenchik, A M; Beach, R; Dawson, J & Siders, C W. SOLAR PUMPED LASER MICROTHRUSTER, article, February 5, 2010; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc927437/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.