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TERAHERTZ-WAVE GENERATING ELEMENT TERAHERTZ-WAVE DETECTING ELEMENT AND TERAHERTZ TIME-DOMAIN SPECTROSCOPY DEVICE
TERAHERTZ-WAVE GENERATING ELEMENT TERAHERTZ-WAVE DETECTING ELEMENT AND TERAHERTZ TIME-DOMAIN SPECTROSCOPY DEVICE
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机译:TERAHERTZ波产生元件TERAHERTZ波检测元件和TERAHERTZ时域光谱仪
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摘要
A terahertz-wave generating element includes a waveguide including an electro-optic crystal; an optical coupling member that extracts a terahertz wave, which is generated from the electro-optic crystal as a result of light propagating through the waveguide, to a space; and at least two electrodes that cause a first-order electro-optic effect in the electro-optic crystal by applying an electric field to the waveguide so as to change a propagation state of the light propagating through the waveguide. A crystal axis of the electro-optic crystal of the waveguide is set such that the terahertz wave generated by a second-order nonlinear optical process and the light propagating through the waveguide are phase-matched.
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