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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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)|
|Title:||COIL fiber transmission for material cutting applications|
|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|
|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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