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Proceedings Paper

Airclad fiber laser technology
Author(s): Kim P. Hansen; Christina B. Olausson; Jes Broeng; Kent Mattsson; Martin D. Nielsen; Thomas Nikolajsen; Peter M. W. Skovgaard; Mads Hoy Sørensen; Mark Denninger; Christian Jakobsen; Harald R Simonsen
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Paper Abstract

High-power fiber lasers and amplifiers have gained tremendous momentum in the last five years, and many of the traditional manufactures of gas and solid-state lasers are pursuing the attractive fiber-based systems, which are now displacing the old technology in many areas. High-power fiber laser systems require specially designed fibers with large cores and good power handling capabilities - requirements that are all met by the airclad fiber technology. In the present paper we go through many of the building blocks needed to build high-power systems and we show an example of a complete airclad laser system. We present the latest advancements within airclad fiber technology including a new 70 μm single-mode polarization-maintaining rod-type fiber capable of amplifying to MW power levels. Furthermore we describe the novel airclad based pump combiners and their use in a completely monolithic 350 W CW fiber laser system with an M2 of less than 1.1. Finally, we briefly touch upon the subject of photo darkening and its origin.

Paper Details

Date Published: 7 February 2008
PDF: 12 pages
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687307 (7 February 2008); doi: 10.1117/12.779582
Show Author Affiliations
Kim P. Hansen, Crystal Fibre A/S (Denmark)
Christina B. Olausson, Crystal Fibre A/S (Denmark)
COM-DTU (Denmark)
Jes Broeng, Crystal Fibre A/S (Denmark)
Kent Mattsson, Crystal Fibre A/S (Denmark)
Martin D. Nielsen, Crystal Fibre A/S (Denmark)
Thomas Nikolajsen, Crystal Fibre A/S (Denmark)
Peter M. W. Skovgaard, Crystal Fibre A/S (Denmark)
Mads Hoy Sørensen, Crystal Fibre A/S (Denmark)
Mark Denninger, Crystal Fibre A/S (Denmark)
Christian Jakobsen, Crystal Fibre A/S (Denmark)
Harald R Simonsen, Crystal Fibre A/S (Denmark)

Published in SPIE Proceedings Vol. 6873:
Fiber Lasers V: Technology, Systems, and Applications
Jes Broeng; Clifford Headley, Editor(s)

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