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Proceedings Paper

7+1 to 1 pump/signal combiner for air-clad fiber with 15 µm MFD PM single-mode signal feed-through
Author(s): D. Noordegraaf; M. D. Maack; P. M. W. Skovgaard; S. Agger; T. T. Alkeskjold; J. Lægsgaard
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Paper Abstract

A 7+1 to 1 pump/signal combiner with single-mode (SM) polarization maintaining (PM) 15 μm mode-field-diameter (MFD) signal feed-through is demonstrated. The combiner is designed for pulse amplification in an active Yb-doped airclad fiber operated in backward pumped configuration. Signal coupling through the device is realized by a microstructured taper element allowing single-mode guidance and constant MFD at a taper ratio of 3.4.

Paper Details

Date Published: 17 February 2010
PDF: 7 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801A (17 February 2010); doi: 10.1117/12.841557
Show Author Affiliations
D. Noordegraaf, NKT Photonics A/S (Denmark)
M. D. Maack, NKT Photonics A/S (Denmark)
P. M. W. Skovgaard, NKT Photonics A/S (Denmark)
S. Agger, NKT Photonics A/S (Denmark)
T. T. Alkeskjold, NKT Photonics A/S (Denmark)
J. Lægsgaard, Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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