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Proceedings Paper

High-power COIL fiber transmission for D&D application
Author(s): Karin M. Gruenewald; Willy L. Bohn; Frank R. Duschek; Juergen Handke; Wolfgang O. Schall
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Paper Abstract

11 kW of COIL power are successfully transmitted through a 20 meter long modified commercial fiber system with optical losses below 10%. The transmission ratio is derived from simultaneous measurement of the laser output power behind the total reflector and the transmitted laser power behind the complete optical fiber system. The fiber delivery system is used to demonstrate cutting of various materials pertinent to dismantling & decommissioning of nuclear installations. Nitrogen and oxygen gas assisted cuts are performed for metal and nonmetal samples, which are made of steel, aluminum, concrete and graphite. The cutting results are validated with theoretical models from literature. The COIL cutting performance is compared to referenced data of laser materials processing.

Paper Details

Date Published: 16 June 2004
PDF: 7 pages
Proc. SPIE 5479, Laser Optics 2003: High-Power Gas Lasers, (16 June 2004); doi: 10.1117/12.558188
Show Author Affiliations
Karin M. Gruenewald, DLR (Germany)
Willy L. Bohn, DLR (Germany)
Frank R. Duschek, DLR (Germany)
Juergen Handke, DLR (Germany)
Wolfgang O. Schall, DLR (Germany)


Published in SPIE Proceedings Vol. 5479:
Laser Optics 2003: High-Power Gas Lasers
Oleg B. Danilov, Editor(s)

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