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   Articles with "thz range" as a keyword



Transmittance spectrum within the THz range in one-dimensional Dodecanacci photonic crystals

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recommendations! Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2020.165458

Abstract: Abstract In this work, we present a theoretical model to calculate the transmittance spectrum of a one-dimensional photonic crystal composed of polymer materials arranged based on a Dodecanacci sequence. In addition, in this crystal, we… read more here.

Keywords: transmittance spectrum; one dimensional; transmittance; thz range ... See more keywords

Electric-dipole and magnetic absorption in TbFeO3 single crystals in the THz–IR range

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recommendations! Published in 2023 at "Journal of Applied Physics"

DOI: 10.1063/5.0149872

Abstract: Various mechanisms of absorption including both electric-dipole excitations and magnetic ones in a broadband (5–5000 cm−1) polarized transmission and reflection spectra were studied in orthoferrite TbFeO3 using a coherent submillimeter, pulsed THz, and IR Fourier transform… read more here.

Keywords: electric dipole; tbfeo3; thz range; dipole magnetic ... See more keywords

Spectroscopic Studies of BA Class Liquid Crystals in the 6–15 THz Range Using the Fourier Transform Infrared (FT-IR) Method

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recommendations! Published in 2022 at "Applied Spectroscopy"

DOI: 10.1177/00037028221081557

Abstract: Fourier transform infrared spectroscopy was performed for two structurally similar liquid crystals: 4-octyloxybenzoic acid and 4-decyloxybenzoic acid in 6–15 THz range. Density functional theory modeling at PBE0/def2-TZVPP level was used to assign the vibrational modes… read more here.

Keywords: transform infrared; liquid crystals; spectroscopy; fourier transform ... See more keywords

Vibrational nonlinear response of complex molecules: theory and measurements in the THz range.

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recommendations! Published in 2025 at "Optics letters"

DOI: 10.1364/ol.566076

Abstract: The nonlinear optical response of materials under high-intensity electromagnetic fields is key to advancing THz optical technologies. This study introduces a theoretical approach to estimate the nonlinear refractive index coefficient, , of complex molecules in… read more here.

Keywords: complex molecules; optics; vibrational nonlinear; thz range ... See more keywords