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Proceedings Paper

Remapping diffractive beam shaping of a fiber laser for focused tophat profiles
Author(s): Kurt Kanzler; Anthony Hoult
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Paper Abstract

Diffractive beam shaping, using a remapping approach, requires a laser source that is well characterized and stable. Recent advances in the development of fiber lasers have shown stable, high quality, TEM00 single mode performance at powers < 200 Watts for 1090 nm. This paper will give a detailed account of the design and experimental results for a 5.5 mm 1/e2 fiber lasers shaped by an off-axis diffractive beam shaper to produce tophat focused spots < 50 microns. One application of interest is in the area of micro welding of thin stainless steel sheets. Experimental data will be presented for this micro welding application.

Paper Details

Date Published: 16 October 2007
PDF: 7 pages
Proc. SPIE 6663, Laser Beam Shaping VIII, 66630B (16 October 2007); doi: 10.1117/12.731690
Show Author Affiliations
Kurt Kanzler, Diffractive Laser Solutions Inc. (United States)
Anthony Hoult, SPI Lasers (United States)

Published in SPIE Proceedings Vol. 6663:
Laser Beam Shaping VIII
Fred M. Dickey; David L. Shealy, Editor(s)

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