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Proceedings Paper

Laser-based space debris removal: design guidelines for coherent coupling power transmission
Author(s): Jürgen Kästel; Jochen Speiser
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Paper Abstract

Space debris presents an increasing threat to the lifetime of commercial and military space assets. Laser-based space debris removal systems could potentially mitigate this threat by targeting debris objects in the cm-range. In order to reach this goal a minimum fluence of a few J/cm² on the debris object and a pulse repetition rate of several 10 Hz are necessary. These requirements can be met by coupling 1000-2000 independent 10 J laser sources coherently and employing a sending telescope with a diameter of 5 m. We analyze which parameters are critical to the effectiveness of the transmission system and deduce design guidelines. In particular the effects of non-optimum filling factors, secondary mirror size, emitter intensity distribution and phase jitter of the individual emitters are discussed and compared.

Paper Details

Date Published: 21 October 2016
PDF: 9 pages
Proc. SPIE 9990, High-Power Lasers 2016: Technology and Systems, 99900L (21 October 2016); doi: 10.1117/12.2239772
Show Author Affiliations
Jürgen Kästel, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)
Jochen Speiser, Deutsches Zentrum für Luft- und Raumfahrt e.V. (Germany)

Published in SPIE Proceedings Vol. 9990:
High-Power Lasers 2016: Technology and Systems
Harro Ackermann; Willy L. Bohn; David H. Titterton, Editor(s)

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