期刊
OPTICS EXPRESS
卷 24, 期 26, 页码 30328-30337出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.030328
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资金
- National Science Foundation [DMR-1310138]
- Japan Society for the Promotion of Science (JSPS) through KAKENHI [15K13378, 16H04001]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1310138] Funding Source: National Science Foundation
- Grants-in-Aid for Scientific Research [16H04001, 15K13378, 16H06010] Funding Source: KAKEN
We have developed a single-shot terahertz time-domain spectrometer to perform optical-pump/terahertz-probe experiments in pulsed, high magnetic fields up to 30T. The single-shot 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. (C) 2016 Optical Society of America
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