Elimination of photoinduced absorption in Ge-doped silica fibres by annealing of ultraviolet colour centres
- Albert, Jacques
- Malo, B.
- Johnson, D. C.
- Bilodeau, F.
- Hill, K. O.
Heating standard telecommunication Ge-doped silica fibres to 1200 degrees C removes the ultraviolet absorption bands believed to be responsible for photosensitivity. Losses at 480 nm induced by exposure to 249 nm laser light are reduced from 30 dB/m to less than 0.8 dB/m in the annealed fibre.
Published in Peer Reviewed Journal
Faculty of Engineering and Design
Department of Electronics
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