Abstract
We report a high-energy narrow-linewidth SBS-free high-efficiency polarization-maintaining fiber laser based on MOPA at 1572 nm for CO2 coherent remote sensing. The Lorentz linewidth of the seed laser is <10 kHz, and the output pulse energy of the fiber amplifier is >150 μJ, with tunable repetition rate of 1 k~1 MHz and tunable pulse width of 100~500 ns.
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