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Experimental study demonstrates high-energy 1572.3 nm pulses in an erbium-doped fiber amplifier, highlighting advanced capabilities for atmospheric carbon dioxide LIDAR detection.
We demonstrate the first polarization-maintaining, very-large-mode-area, Er-doped fiber amplifier with ~1100 μm2 effective area. The amplifier is core pumped by a Raman fiber laser and is used to generate single-frequency, one-microsecond, pulses with pulse energy of 541 μJ, peak power of 700 W, M2 of 1.1, and polarization extinction > 20 dB. The amplifier operates at 1572.3 nm, a wavelength useful for trace atmospheric CO2 detection.
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Nicholson et al. (2016) studied this question.
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