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Proceedings Paper

All fiber cladding mode stripper with uniform heat distribution and high cladding light loss manufactured by CO2 laser ablation
Author(s): M. A. Jebali; E. T. Basso
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Paper Abstract

Cladding mode strippers are primarily used at the end of a fiber laser cavity to remove high-power excess cladding light without inducing core loss and beam quality degradation. Conventional manufacturing methods of cladding mode strippers include acid etching, abrasive blasting or laser ablation. Manufacturing of cladding mode strippers using laser ablation consist of removing parts of the cladding by fused silica ablation with a controlled penetration and shape.

We present and characterize an optimized cladding mode stripper design that increases the cladding light loss with a minimal device length and manufacturing time. This design reduces the localized heat generation by improving the heat distribution along the device. We demonstrate a cladding mode stripper written on a 400um fiber with cladding light loss of 20dB, with less than 0.02dB loss in the core and minimal heating of the fiber and coating. The manufacturing process of the designed component is fully automated and takes less than 3 minutes with a very high throughput yield.

Paper Details

Date Published: 20 February 2018
PDF: 6 pages
Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 105131Q (20 February 2018); doi: 10.1117/12.2291955
Show Author Affiliations
M. A. Jebali, AFL (United States)
E. T. Basso, AFL (United States)

Published in SPIE Proceedings Vol. 10513:
Components and Packaging for Laser Systems IV
Alexei L. Glebov; Paul O. Leisher, Editor(s)

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