High-energy in-fiber pulse amplification for coherent lidar applications |
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| Authors: | Philippov Valery Codemard Christophe Jeong Yoonchan Alegria Carlos Sahu Jayanta K Nilsson Johan Pearson Guy N |
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| Institution: | Optoelectronics Research Centre, University of Southampton, Building 46, Highfield, Southampton, UK. |
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| Abstract: | An Er:Yb codoped fiber amplifier chain for the generation of pulses for coherent lidar applications at a wavelength near 1.5 microm is reported. The final 1.8-m-long power amplification stage had a 50-microm core diameter and yielded a 23-dB energy gain, resulting in 0.29-mJ, 100-ns pulses at a repetition rate of 4 kHz with no Brillouin scattering and an M2 of 2.1. |
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