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15 May 2012 Eye-safe pulsed kW-peak power high-repetition rate all-fiber MOPA source
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Abstract
The 1.5 μm pulsed 3-stage all-fiber MOPA source seeded by a directly modulated DFB laser was developed. It operated at the repetition rate ranging from 400 kHz to 2 MHz and delivered up to 6.5 μJ in 1-ns pulse. The total signal gain of up to 57 dB and the maximum average output power of over 2.8 W (at 2 MHz) were demonstrated when the total pump power of the MOPA was 10.64 W. The amplified pulses were very stable and did not reveal either duration and shape change in relation to input pulses generated by the seed.
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J. Swiderski, M. Maciejewska, W. Pichola, J. Kwiatkowski, and M. Mamajek "Eye-safe pulsed kW-peak power high-repetition rate all-fiber MOPA source", Proc. SPIE 8433, Laser Sources and Applications, 84331E (15 May 2012); doi: 10.1117/12.921800; https://doi.org/10.1117/12.921800
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