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Generation of sub-100-kW narrow-line far-infrared radiation from KTP off-axis THz parametric oscillator seeded by a spectrally filtered Stokes pulse
Conference paper

Generation of sub-100-kW narrow-line far-infrared radiation from KTP off-axis THz parametric oscillator seeded by a spectrally filtered Stokes pulse

Ming-Hsiung Wu, Wei-Che Tsai, Yu-Chung Chiu and Yen-Chieh Huang
International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, Vol.2019-September, 8874237
09/2019
DOI: https://doi.org/10.1109/IRMMW-THz.2019.8874237

Abstract

Energy Engineering and Power Technology Electrical and Electronic Engineering
We report the detection of > 70-kW radiation power at about 52 mu m from a KTP off-axis THz parametric oscillator, when pumping it with 11.9-mJ energy in a 450-ps pulse from a single-frequency Nd:YAG laser and seeding it with a 7-μJ, 40-GHz-linewidth Stokes pulse from a synchronously pumped KTP parametric generator. With 63% coupling efficiency of the silicon prism, the seeded off-axis THz parametric oscillator has emitted > 111-kW peak power radiation into the silicon prism.

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