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The authors report infrared difference-frequency generation in a high transmission diffusion-bonded GaAs stack. Using an LiNbO3 optical parametric oscillator as the pump source, a conversion efficiency of 3.4 × 10–4, output energy of 2 µJ and 180 W peak power were obtained at 11.35 µm.
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Lallier et al. (1998) studied this question.
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