S. Mansourzadeh, T. Vogel, M. Shalaby, F. Wulf, C. Saraceno
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Milliwatt-average power broadband THz source at 13.3 MHz repetition rate using diamond-cooled organic crystal BNA
We demonstrate optical rectification in BNA organic crystals using bursts of pulses from a high-power thin-disk oscillator at 13.3 MHz repetition rate. We measure an average power of 0.95 mW at 10% duty cycle with a conversion efficiency of 4×10-4. To the best of our knowledge, this is the highest average power reported with commercially available BNA so far. The detected THz spectrum bandwidth spans up to 6 THz.
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