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High Power Thin Disk Ho:YAG Laser

Renz, Günther and Speiser, Jochen and Giesen, Adolf (2011) High Power Thin Disk Ho:YAG Laser. In: Solid State Lasers XX: Technology and Devices, 7912. SPIE. Solid State Lasers XX: Technology and Devices, 22.-27. Januar 2011, San Francisco, USA.

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Abstract

The thin disk laser is a successful concept for high output power and/or high pulse energy, high efficiency and good beam quality in the 1 μm range. Holmium-doped materials are a promising approach to transform this success to the 2 μm range. Ho:YAG is especially interesting for high pulse energies due to the long fluorescence lifetime (~ 8 ms) which provides good energy storage capabilities. We have realized a Ho:YAG thin-disk laser with a cw output power of 15 W at 2.09 μm and a maximum optical-to-optical efficiency of 37%. The laser was pumped with a Tm-fiber laser. Numerical simulations are used for further characterization.

Document Type:Conference or Workshop Item (Speech)
Title:High Power Thin Disk Ho:YAG Laser
Authors:
AuthorsInstitution or Email of Authors
Renz, GüntherGuenther.Renz@dlr.de
Speiser, Jochenjochen.speiser@dlr.de
Giesen, Adolfadolf.giesen@dlr.de
Date:15 February 2011
Journal or Publication Title:Solid State Lasers XX: Technology and Devices
Volume:7912
Publisher:SPIE
Series Name:Proceedings of SPIE
Status:Published
Keywords:Thin Disk laser
Event Title:Solid State Lasers XX: Technology and Devices
Event Location:San Francisco, USA
Event Type:international Conference
Event Dates:22.-27. Januar 2011
Organizer:SPIE
HGF - Research field:Aeronautics, Space and Transport
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: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Jochen Speiser
Deposited On:27 Dec 2011 23:02
Last Modified:27 Dec 2011 23:02

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