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Proceedings Paper

Power scaling of fiber-based amplifiers seeded with microchip lasers
Author(s): Paul E. Schrader; Jean-Philippe Fève; Roger L. Farrow; Dahv A. V. Kliner; Randal L. Schmitt; Binh T. Do
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Paper Abstract

We summarize the performance of mode-filtered, Yb-doped fiber amplifiers seeded by microchip lasers with nanosecond-duration pulses. These systems offer the advantages of compactness, efficiency, high peak power, diffraction-limited beam quality, and widely variable pulse energy and repetition rate. We review the fundamental limits on pulsed fiber amplifiers imposed by nonlinear processes, with a focus on the specific regime of nanosecond pulses. Different design options for the fiber and the seed laser are discussed, including the effects of pulse duration, wavelength, and linewidth. We show an example of a microchip-seeded, single-stage, single-pass fiber amplifier that produced pulses with 1.1 MW peak power, 0.76 mJ pulse energy, smooth temporal and spectral profiles, diffractionlimited beam quality, and linear polarization.

Paper Details

Date Published: 20 February 2008
PDF: 11 pages
Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 68710T (20 February 2008); doi: 10.1117/12.778388
Show Author Affiliations
Paul E. Schrader, Sandia National Labs. (United States)
Jean-Philippe Fève, JDSU (United States)
Roger L. Farrow, Sandia National Labs. (United States)
Dahv A. V. Kliner, Sandia National Labs. (United States)
Randal L. Schmitt, Sandia National Labs. (United States)
Binh T. Do, Sandia National Labs. (United States)

Published in SPIE Proceedings Vol. 6871:
Solid State Lasers XVII: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh K. Shori, Editor(s)

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