18 December 1996 Mini-optically pumped NH3 cavity laser wideband emission at 67.2 μm
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The spectral characteristics of mini-optically pumped NH3 cavity laser emission at 67.2 micrometers was studied. It was found that the spectrum of 67.2 micrometers emission was duality. With low power CO2-9R(30) pumping condition, the spectrum appeared to be two wide FIR laser lines, which were the result of competition of multi-Raman processes. With high power pumping conditions, the spectrum extended to be a very wide band, which was he result of the combination of the competition and interaction enhancement of Raman processes. The wide band spectral characteristics of 67.2 micrometers would be significant to the tuning of NH3 OPFIRL.
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Xizhang Luo, Cong Li, "Mini-optically pumped NH3 cavity laser wideband emission at 67.2 μm", Proc. SPIE 2842, Millimeter and Submillimeter Waves and Applications III, (18 December 1996); doi: 10.1117/12.262779; https://doi.org/10.1117/12.262779


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