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High power COIL fiber transmission

Bohn, W.L. (2002) High power COIL fiber transmission. Photonics Asia 2002, Shanghai (China), 14. - 18. October 2002.

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Abstract

Up to 11 kW of CW laser power at a wavelength of 1.3 µm has been successfully coupled into a 20 meter long optical fiber. The present experiment aimed at the evaluation of COIL application for the decommissioning of nuclear installations was performed using the existing COIL facility at the DLR Lampoldshausen site. This facility is briefly described in terms of its main components and operating parameters. A customer designed optical system by the HighYag company is presented: it enables the propper coupling of the 1.3 µm radiation into a 1000 µm fiber and the appropriate delivery of the laser beam onto the workpiece. The transmission losses of the COIL radiation range between 15 and 20 % as deduced from online measurements. Cutting examples in stainless steel, concrete, and other materials are given and discussed.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004,
Title:High power COIL fiber transmission
Authors:
AuthorsInstitution or Email of Authors
Bohn, W.L.UNSPECIFIED
Date:2002
Status:Published
Keywords:COIL, High Power, Fiber transmission laser cutting
Event Title:Photonics Asia 2002, Shanghai (China), 14. - 18. October 2002
Organizer:SPIE
HGF - Research field:Energy
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Energy
DLR - Program:L - no assignement
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Dr.rer.nat. Hans-Albert Eckel
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 14:50

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