thz_waveguides-全文預(yù)覽
【正文】 on maintaning Recent waveguides ?Metal wire Cao, Opt. Exp., 13, 18 (2022) Cu wire with a diameter of 450 mm should have a = cm1 at 1 THz Theoretical explanation of Wang’s results: Azimutely Polarized Surface Plasmon (APSP) The polarization mismatch with the linearly polarized source leads to a very low coupling efficiency. Recent waveguides ?Metal wire Cao, Opt. Exp., 13, 18 (2022) Outside the metal, kair is very small, so the field decays very slowly in the radial direction and extends several 10 times R outside of the metal. Inside the metal, km is very large, leaving a field peration depth of less than 1 mm. Recent waveguides ?Metal wire with milled grooves Cao, Opt. Exp., 13, 18 (2022) Vain attempt to increase coupling Recent waveguides ? Subwavelength plastic fibre Sun, Opt. Lett., (Oct. 2022) 200 mm diameter PE fiber a ~ cm1 at THz Singlemode HE11 propagation Fig.: Ponyting vector a) THz b) THz c) THz d) THz Recent waveguides ? Plastic photonic crystal fibers (PPCF) Han, Appl. Phys. Lett., 80, (2022) 500 mm diameter HDPE tubes The tubes were 2cm long, stack
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