THz time-domain spectroscopy E(t) <-> Ê(omega) Fourier-pair; FFT framework

Layer 1 — Physicsin the terahertz-physics subtree

THz time-domain spectroscopy framework (Fattinger-Grischkowsky 1989 Appl Phys Lett 54, 490; Auston-Cheung-Smith 1984). Setup: THz-TDS measures the temporal electric-field profile E(t) of a sub-picosecond THz pulse; its Fourier transform…

Related concepts

Fast Fourier transform
Theorem: int_R e^{-t^2/2} dt - sqrt(2 pi) = 0 (Gaussian Fourier-pair zero-omega)

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