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COIL fiber transmission for material cutting applications

Grünewald, K. and Handke, J. and Duschek, F. and Schall, W.O. (2002) COIL fiber transmission for material cutting applications. The XIV International Symposium on Gas Flow & Chemical Lasers and High Power Laser Conference, Breslau, Polen, 26.-30. August 2002.

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Abstract

The 10kW-class Chemical Oxygen-Iodine Laser (COIL) device of DLR1 was used for demonstration of efficient power coupling into a commercial fiber optic system (HIGHYAG, Berlin) modified for 1.315 µm radiation. Transmission investigations were performed with different intra-cavity apertures of the stable COIL resonator to match the outcoupled laser beam to the fiber optic system. The transmitted power through the 20 m long fiber with core diameter of 1000 µm exceeded 6 kW during a typical 8 s test run of the laser. The highest transmitted power amounts to 11 kW, the highest value reported in literature. The transmission ratio was above 90%.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2003,
Title:COIL fiber transmission for material cutting applications
Authors:
AuthorsInstitution or Email of Authors
Grünewald, K.UNSPECIFIED
Handke, J.UNSPECIFIED
Duschek, F.UNSPECIFIED
Schall, W.O.UNSPECIFIED
Date:2002
Status:Published
Keywords:COIL, fiber transmission, laser cutting, decommissioning, dismantling of nuclear power plants
Event Title:The XIV International Symposium on Gas Flow & Chemical Lasers and High Power Laser Conference, Breslau, Polen, 26.-30. August 2002
Organizer:Wroclaw University of Technology
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 14:47

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