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Negative Branch Hybrid Resonator for COIL

Handke, Jürgen and Hall, Thomas and Duschek, Frank and Grünewald, Karin M. (2006) Negative Branch Hybrid Resonator for COIL. In: Proceedings SPIE. Photonics West 2006, [2006-01-20 - 2006-01-25], San José. CA (USA).

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Abstract

A rectangular negative branch off-axis hybrid resonator was coupled to a 10-kW class Chemical Oxygen-Iodine Laser (COIL). Various schemes of geometrical coupling between resonator and gain medium were investigated. The extracted power was 6.6 kW and reached about 70% of the output power for the COIL device in an optimized conventional stable resonator configuration. Experimentally measured margins for the sensitivity of resonator setup and alignment were found in close agreement with numerical calculations. Power density distributions were measured in the near field and in the far field. The divergence of the emitted laser beam in the unstable direction was lower than 2 times diffraction limited.

Document Type:Conference or Workshop Item (Speech)
Title:Negative Branch Hybrid Resonator for COIL
Authors:
AuthorsInstitution or Email of Authors
Handke, JürgenUNSPECIFIED
Hall, ThomasUNSPECIFIED
Duschek, FrankUNSPECIFIED
Grünewald, Karin M.UNSPECIFIED
Date:2 January 2006
Journal or Publication Title:Proceedings SPIE
Refereed publication:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:COIL, chemical oxygen-iodine laser, optical resonator, hybrid resonator, beam quality
Event Title:Photonics West 2006
Event Location:San José. CA (USA)
Event Type:international Conference
Event Dates:[2006-01-20 - 2006-01-25]
Organizer:SPIE—The International Society for Optical Engineering
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Lampoldshausen , Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Dr.rer.nat. Frank Duschek
Deposited On:27 Feb 2006
Last Modified:27 Apr 2009 05:01

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