Title :
FDTD analysis of propagation characteristics of terahertz electromagnetic pulses
Author :
Chung, Young-Seek ; Cheon, Changyul ; Son, Joo-Hiuk ; Hahn, Song-Yop
Author_Institution :
Sch. of Electr. Eng., Seoul Nat. Univ., South Korea
fDate :
7/1/2000 12:00:00 AM
Abstract :
A three dimensional finite difference time domain (FDTD) technique is applied to analyze the propagation characteristics of terahertz (THz) antenna whose dimension is smaller than the wavelength. A diffraction theory is also utilized with the FDTD technique for observing the far-field dispersion and attenuation of radiation from the THz antenna with a hyper-hemispherical silicon lens which is much larger than the wavelength. The signal degradation effects due to misalignment between the antenna and silicon lens are also characterized
Keywords :
antenna theory; dispersion (wave); finite difference time-domain analysis; lens antennas; submillimetre wave antennas; submillimetre wave propagation; FDTD analysis; diffraction theory; far-field dispersion; hyper-hemispherical silicon lens; misalignment; propagation characteristics; signal degradation effects; terahertz electromagnetic pulses; three dimensional finite difference time domain technique; Antenna theory; Antennas and propagation; Attenuation; Degradation; Diffraction; Finite difference methods; Lenses; Silicon; Submillimeter wave propagation; Time domain analysis;
Journal_Title :
Magnetics, IEEE Transactions on
