Webb6 jan. 2024 · Refractive indices of high resistivity Si and Ge were measured at temperatures between 4–296 K and at frequencies between 4.2–7.7 THz using a Fourier-transform spectrometer (FTS) in transmission mode. A phenomenological model of the temperature dependence of the refractive index is proposed. WebbWe are looking for you with a PhD degree in electrical engineering, applied physics, terahertz technology or materials science. You should also have: Hand-on experience in at least of one of the...
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WebbModulating terahertz (THz) waves actively and smartly through an external field is highly desired in the development of THz spectroscopic devices. Here, we demonstrate an … There are a great variety of techniques to generate THz radiation and to detect THz fields. One can, e.g., use an antenna, a quantum-cascade laser, a free-electron laser, or optical rectification to produce well-defined THz sources. The resulting THz field can be characterized via its electric field ETHz(t). Present-day experiments can already output ETHz(t) that has a peak value in the range of MV/cm (megavolts per centimeter). To estimate how strong such fields are, one can co… barang ng adalah
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WebbThe last research frontier in high frequency electronics now lies in the so-called THz (or submillimeter-wave) regime between the traditional microwave and infrared domains. Significant scientific and technical challenges within the terahertz (THz) frequency regime have recently motivated an array of new research activities. Webb1 sep. 2010 · THz electronics spans the transition range from radio-electronics to photonics. Because of considerable attenuation, THz waves are not very useful for long … WebbThe International Society of Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) has the mission statement: “Promoting the worldwide collection, dissemination and exchange of scientific and technical knowledge in the areas and disciplines involving infrared, millimeter, and terahertz waves.” barang oem adalah