7 March 2014 Fibercore AstroGain fiber: multichannel erbium doped fibers for optical space communications
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Proceedings Volume 8982, Optical Components and Materials XI; 898204 (2014) https://doi.org/10.1117/12.2044455
Event: SPIE OPTO, 2014, San Francisco, California, United States
Abstract
Fibercore have developed AstroGainTM fiber optimized for multichannel amplifiers used in optical satellite communications and control. The fiber has been designed to take full advantage of the photo-annealing effect that results from pumping in the 980nm region. The proprietary trivalent structure of the core matrix allows optimum recovery following radiation damage to the fiber, whilst also providing a market leading Erbium Doped Fiber Amplifier (EDFA) efficiency. Direct measurements have been taken of amplifier efficiency in a multichannel assembly, which show an effective photo-annealing recovery of up to 100% of the radiation induced attenuation through excitation of point defects.
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Mark Hill, Rebecca Gray, Judith Hankey, Andy Gillooly, "Fibercore AstroGain fiber: multichannel erbium doped fibers for optical space communications", Proc. SPIE 8982, Optical Components and Materials XI, 898204 (7 March 2014); doi: 10.1117/12.2044455; https://doi.org/10.1117/12.2044455
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