Abstract
A high-power tunable Raman Amplifier is presented. The seed signal (varying from 1118 nm to 1130 nm in wavelength) was generated in a tunable Raman oscillator and fed into the Raman amplification stage. A conversion efficiency of up to 86 % was achieved and a maximum output power of over 200 W was measured. The Raman gain coefficient for the amplifier fiber was measured to be 0.76×10−14 m/W. Furthermore, the measured output power was compared with values obtained from simple mathematical model and a good agreement up to the highest output power of amplified signal was achieved.
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Acknowledgements
The authors would like to thank European Commission for financial support of this work within project “LIFT” under grant agreement no. NMP2-LA-2009-228587.
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Part of the results were presented at Frontiers in Optics Conference, San Diego, October 2011.
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Rekas, M., Schmidt, O., Zimer, H. et al. Over 200 W average power tunable Raman amplifier based on fused silica step index fiber. Appl. Phys. B 107, 711–716 (2012). https://doi.org/10.1007/s00340-012-5052-3
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DOI: https://doi.org/10.1007/s00340-012-5052-3