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Proceedings Article

High-power diode-pumped Nd3+ fiber laser

[+] Author Affiliations
John D. Minelly, Kazimierz P. Jedrzejewski, Elizabeth R. Taylor, Ji Wang, David N. Payne

Univ. of Southampton (United Kingdom)

Anthony L. Raven, Ilkka Mannonen, Douglas P. Fernie

Diomed Ltd. (United Kingdom)

Joseph S. Hayden

Schott Glass Technologies Inc. (USA)

Proc. SPIE 2131, Biomedical Fiber Optic Instrumentation, 292 (July 28, 1994); doi:10.1117/12.180724
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From Conference Volume 2131

  • Biomedical Fiber Optic Instrumentation
  • James A. Harrington; David M. Harris; Abraham Katzir; Fred P. Milanovich
  • Los Angeles, CA | January 23, 1994

abstract

In this paper we describe a multiwatt Nd3+ fiber laser pumped via a second cladding by the DIOMED 25 laser diode unit. This multiple diode array source is designed for coupling up to 25 Watts of diode power into a plastic-clad silica fiber of 400 micrometers diameter. The double-clad laser fiber is interchangeable with the normal PCS delivery fiber. The device operates at 1.058 micrometers with a slope efficiency > 50% and a 150 times brightness enhancement. This laser though useful in itself is also a key intermediate laser for generation of high powers at other wavelengths. Tandem pumping of Tm3+ and Er3+/Yb3+ fiber lasers at 1.058 micrometers enables efficient generation of 2.0 micrometers and 1.55 micrometers radiation respectively. In addition the Nd3+ laser can be operated close to 1.3 micrometers and there are prospects for in-fiber frequency doubling of the 1.06 micrometers line to generate a high power source in the green.

© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

John D. Minelly ; Kazimierz P. Jedrzejewski ; Elizabeth R. Taylor ; Ji Wang ; David N. Payne, et al.
"High-power diode-pumped Nd3+ fiber laser", Proc. SPIE 2131, Biomedical Fiber Optic Instrumentation, 292 (July 28, 1994); doi:10.1117/12.180724; http://dx.doi.org/10.1117/12.180724


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