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Compact 1-W Yb-doped double-cladding fiber amplifier using V-groove side-pumping

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3 Author(s)
J. P. Koplow ; Div. of Opt. Sci., Naval Res. Lab., Washington, DC, USA ; L. Goldberg ; D. A. V. Kliner

A compact packaged fiber amplifier was constructed using a Yb-doped double-cladding fiber, which was V-groove side-pumped by a laser diode operating at 975 nm. Under saturation, the amplifier generated 1 W at 1064 nm. The small-signal gain reached a maximum of 50 dB at 1075 nm and was greater than 40 dB in the range of 1042-1093 nm.

Published in:

IEEE Photonics Technology Letters  (Volume:10 ,  Issue: 6 )