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Proceedings Paper

High-brightness fiber-coupled pump laser development
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Paper Abstract

We report on the continued development of high brightness laser diode modules at nLIGHT Photonics. These modules, based on nLIGHT's PearlTM product platform, demonstrate excellence in output power, brightness, wavelength stabilization, and long wavelength performance. This system, based on 14 single emitters, is designed to couple diode laser light into a 105 μm fiber at an excitation NA of under 0.14. We demonstrate over 100W of optical power at 9xx nm with a diode brightness exceeding 20 MW/cm2-str with an operating efficiency of approximately 50%. Additional results show over 70W of optical coupled at 8xx nm. Record brilliance at wavelengths 14xx nm and longer will also be demonstrated, with over 15 W of optical power with a beam quality of 7.5 mm-mrad. These results of high brightness, high efficiency, and wavelength stabilization demonstrate the pump technology required for next generation solid state and fiber lasers.

Paper Details

Date Published: 18 February 2010
PDF: 7 pages
Proc. SPIE 7583, High-Power Diode Laser Technology and Applications VIII, 758308 (18 February 2010); doi: 10.1117/12.842102
Show Author Affiliations
Kirk Price, nLIGHT Corp. (United States)
Scott Karlsen, nLIGHT Corp. (United States)
Paul Leisher, nLIGHT Corp. (United States)
Robert Martinsen, nLIGHT Corp. (United States)


Published in SPIE Proceedings Vol. 7583:
High-Power Diode Laser Technology and Applications VIII
Mark S. Zediker, Editor(s)

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