High pulse energy sub-nanosecond Tm-doped fiber laser

Andras Cserteg; Sebastien Guillemet; Yves Hernandez; Domenico Giannone

doi:10.1117/12.908115

15 February 2012 High pulse energy sub-nanosecond Tm-doped fiber laser

Andras Cserteg, Sebastien Guillemet, Yves Hernandez, Domenico Giannone

Proceedings Volume 8237, Fiber Lasers IX: Technology, Systems, and Applications; 82373V (2012) https://doi.org/10.1117/12.908115
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

We report a core pumped thulium-doped fiber amplifier that generates 1.4 μJ pulses at 1980 nm with a repetition rate of 3.6 MHz preserving the original spectral bandwidth of the oscillator. The amplifier chain is seeded by a passively modelocked fiber laser with 5 mW output power and the pulses are stretched to 800 picoseconds. The amplifier is core pumped by a single mode erbium fiber laser. The slope efficiency is 35%. To the best of our knowledge, this is the first demonstration of sub nanosecond pulses with energies higher than 1 μJ coming out of a thulium-doped fiber amplifier.

Citation Download Citation

Andras Cserteg, Sebastien Guillemet, Yves Hernandez, and Domenico Giannone "High pulse energy sub-nanosecond Tm-doped fiber laser", Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82373V (15 February 2012); https://doi.org/10.1117/12.908115

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