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3 July 2003 High-power 938-nm cladding pumped fiber laser
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Proceedings Volume 4974, Advances in Fiber Lasers; (2003)
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States
We have developed a Nd:doped cladding pumped fiber amplifier, which operates at 938nm with greater than 2W of output power. The core co-dopants were specifically chosen to enhance emission at 938nm. The fiber was liquid nitrogen cooled in order to achieve four-level laser operation on a laser transition that is normally three level at room temperature, thus permitting efficient cladding pumping of the amplifier. Wavelength selective attenuation was induced by bending the fiber around a mandrel, which permitted near complete suppression of amplified spontaneous emission at 1088nm. We are presently seeking to scale the output of this laser to 10W. We will discuss the fiber and laser design issues involved in scaling the laser to the 10W power level and present our most recent results.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jay Walter Dawson, Alex Drobshoff, Zhi M. Liao, Raymond J. Beach, Deanna Marie Pennington, Stephen A. Payne, Luke Taylor, Wolfgang K. P. Hackenberg, and Domenico Bonaccini "High-power 938-nm cladding pumped fiber laser", Proc. SPIE 4974, Advances in Fiber Lasers, (3 July 2003);

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