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Communication Dans Un Congrès Année : 2019

Terahertz pulsed-field magneto-spectrometer at room-temperature

Résumé

We have developed a compact pulsed-field THz magneto-spectrometer based on a THz molecular laser and heterodyne detection both at room-temperature. The recently developed continuous-wave THz laser uses mid-IR-pumped ammonia as active medium. The receiver is based on a subharmonic mixer pumped by a multiplication chain. A pulsed magnetic field up to 9 T is supplied by discharging a capacitor in a small coil at room-temperature. We demonstrate here the use of this spectrometer by measuring the effective mass of electrons in an InAs/AlGaSb heterostructure at room-temperature.
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Dates et versions

hal-03066230 , version 1 (15-12-2020)

Identifiants

Citer

Jean-Francois Lampin, Antoine Pagies, S Barbieri, L. Desplanque, Xavier Wallart, et al.. Terahertz pulsed-field magneto-spectrometer at room-temperature. 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2019, Paris, France. pp.1-1, ⟨10.1109/IRMMW-THz.2019.8874540⟩. ⟨hal-03066230⟩
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