Near-diffraction limited high-power COIL emission

Juergen Handke; Frank R. Duschek; Karin M. Gruenewald; Thomas Hall; Wolfgang O. Schall

doi:10.1117/12.610983

23 March 2005 Near-diffraction limited high-power COIL emission

Juergen Handke, Frank R. Duschek, Karin M. Gruenewald, Thomas Hall, Wolfgang O. Schall

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.610983
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

A negative branch hybrid resonator was coupled to the 10kW-class Chemical Oxygen-Iodine Laser (COIL) device of DLR. Resonator set-up and alignment turned out to be straight forward. Experimentally measured margins for mirror misalignment were found in close agreement to numerical calculations. The extracted power came up to 70% of the power coupled out of a stable resonator device, while the divergence of the emitted light obtained in unstable direction was lower than 2 times diffraction limited.

Citation Download Citation

Juergen Handke, Frank R. Duschek, Karin M. Gruenewald, Thomas Hall, and Wolfgang O. Schall "Near-diffraction limited high-power COIL emission", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.610983

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