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High-order harmonic mixing with Schottky diodes in the FIR region

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We report results of harmonic mixing experiments between millimetric oscillators and FIR laser radiations up to 3 THz, using micrometer-size Schottky-barrier diodes. Signal-to-noise ratios suitable for precise frequency counting have been obtained for harmonic numbers up to 40.

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Weiss, C.O., Godone, A. High-order harmonic mixing with Schottky diodes in the FIR region. Appl. Phys. B 35, 199–200 (1984). https://doi.org/10.1007/BF00693927

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