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Proceedings Article

Tapered fused-bundle splitter capable of 1kW CW operation

[+] Author Affiliations
Alexandre Wetter, Mathieu Faucher, François Séguin

ITF Labs. (Canada)

Michael Lovelady

SPI Lasers UK Ltd. (United Kingdom)

Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64530I (February 20, 2007); doi:10.1117/12.700466
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From Conference Volume 6453

  • Fiber Lasers IV: Technology, Systems, and Applications
  • Donald J. Harter; Andreas Tünnermann; Jes Broeng; Clifford Headley III
  • San Jose, CA | January 20, 2007

abstract

In order to test power-handling at 1kW, a special splitter component had to be developed to make use of available sources. A tapered fused-bundle (TFB) 1X7 splitter using a 1.00mm core diameter 0.22NA input fiber coupled to seven 400 micron core 0.22 NA output fibers was tested up to 860W at 976nm. Surface temperature rise was measured to be less than 15°C with active heat sinking. The above results suggest that understanding the mechanisms of optical loss for forward and backward propagating light in a TFB and the heat load that these losses generate is the key to producing multi kW components, and demonstrates that reliable kW-level all fiber devices are possible.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alexandre Wetter ; Mathieu Faucher ; Michael Lovelady and François Séguin
"Tapered fused-bundle splitter capable of 1kW CW operation", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 64530I (February 20, 2007); doi:10.1117/12.700466; http://dx.doi.org/10.1117/12.700466


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