Single-shot terahertz time-domain spectroscopy in pulsed high magnetic fields

Timothy Noe, Ikufumi Katayama, Fumiya Katsutani, James J. Allred, Jeffrey A. Horowitz, David M. Sullivan, Qi Zhang, Fumiya Sekiguchi, Gary L. Woods, Matthias C. Hoffmann, Hiroyuki Nojiri, Jun Takeda, Junichiro Kono

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


We have developed a single-shot terahertz time-domain spectrometer to perform optical-pump/terahertz-probe experiments in pulsed, high magnetic fields up to 30 T. The singleshot detection scheme for measuring a terahertz waveform incorporates a reflective echelon to create time-delayed beamlets across the intensity profile of the optical gate beam before it spatially and temporally overlaps with the terahertz radiation in a ZnTe detection crystal. After imaging the gate beam onto a camera, we can retrieve the terahertz time-domain waveform by analyzing the resulting image. To demonstrate the utility of our technique, we measured cyclotron resonance absorption of optically excited carriers in the terahertz frequency range in intrinsic silicon at high magnetic fields, with results that agree well with published values.

Original languageEnglish
Pages (from-to)30328-30337
Number of pages10
JournalOptics Express
Issue number26
Publication statusPublished - 2016 Dec 26

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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