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We report on the analytical capacity analysis of terahertz wireless communications supporting 275–325 GHz frequency band. Our goal in this paper is to provide design guidelines for close proximity links with transmission capacity beyond 100 Gbit/s.
We present a photo-thermal therapeutics control technique using terahertz (THz) imaging technology and an optical beam intensity modulation method. The heat induced in nanoparticle probes under irradiation by a near-infrared beam was monitored using a THz imaging system and was fixed by adjusting the illumination time of the optical beam. The THz-monitored optical beam modulation technique allowed...
We propose and demonstrate a graphene-based device achieving extraordinary control of terahertz (THz) wave reflectance. The advantages of graphene based switchable THz devices include low cost, facile fabrication and excellent tunability, thus promising for THz system applications.
The multi-frequency gyrotron are under development in JAEA. Oscillations at 170 GHz, 137 GHz and 104 GHz are demonstrated with the Gaussain beam output. At present, 0.9 MW/70 sec, 1.1 MW/5 sec were obtained at 170 GHz. In parallel, a fast frequency control was demonstrated between 170 GHz and 167 GHz using a super-conducting sweeping coil.
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