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Conferences > CLEOPR > 2009 > ThA2 > ThA2_2
  • Conference on Lasers and Electro-Optics/Pacific Rim 2009
  • (Optica Publishing Group, 2009),
  • paper ThA2_2

Photodarkening of 488nm-pumped Sm3+-doped germanosilicate fiber laser

Yu Cheng, Claudio J. Oton, A. J. Boyland, Jayanta Sahu, Bill Brocklesby, and Wei H. Loh

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Abstract

Photodarkening in samarium doped germanosilicate fiber and laser by downconversion is studied. Appreciable photodarkening occurs in the fiber and we attribute the effect to color centres which are both related to Sm2O3 and GeO2. An energy level scheme has been illustrated to explain the photodarkening mechanism.

© 2009 IEEE

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