Answers are grounded in this paper and cite their sources.
A compact THz-radiation source using an InAs semiconductor is demonstrated with a turn-key femtosecond fiber laser as an excitation source and a newly designed 2 T permanent magnet. By using a newly designed magnetic circuit, a compact permanent magnet which can exceed the remanence magnetic field was obtained. This compact source is sufficiently intense for absorption spectroscopy.
No takes yet. Share an insight, caveat, or question.
Ono et al. (2000) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: