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Creators/Authors contains: "Rõõm, T"

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  1. ; ; ; ; (, Review of Scientific Instruments)
    We present a magneto-optical Kerr effect (MOKE) spectrometer based on a modified Martin–Puplett interferometer, utilizing continuous wave sub-THz low-power radiation in a broad frequency range. This spectrometer is capable of measuring the frequency dependence of the MOKE response function, both the Kerr rotation and ellipticity, simultaneously, with accuracy limited by a sub-milliradian threshold, without the need for a reference measurement. The instrument’s versatility allows it to be coupled to a cryostat with optical windows, enabling studies of a variety of quantum materials such as unconventional superconductors, two-dimensional electron gas systems, quantum magnets, and other systems showing optical Hall response at sub-Kelvin temperatures and in high magnetic fields. We demonstrate the functionality of the MOKE spectrometer using an undoped InSb wafer as a test sample. 
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    Free, publicly-accessible full text available November 26, 2025
  2. ; ; ; ; ; ; ; ; ; ; et al (, Physical Review B)
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    Full Text Available