講演情報
[18p-B2-13]New Composition Signal Among Comb-Like Terahertz Spectrum Generated Using Dual Multimode Laser Diodes
〇(D)Yuanhao Zeng1, Kosaku Kato1, Verdad C. Agulto1, Fumiyoshi Kuwashima2, Masahiko Tani1,3, Masashi Yoshimura1, Makoto Nakajima1 (1.ILE, Osaka Univ., 2.Fukui Univ. of Tech., 3.FIR-UF)
キーワード:
multimode laser diode、Terahertz Time Domian Spectroscopy、Terahertz Comb
A continuous wave multimode laser diode (CW-MLD) based terahertz time-domain spectroscopy (THz-TDS) system offers a cost-effective alternative to systems using femtosecond lasers. A 660 nm MLD can generate sub-THz spectra. However, the THz spectra produced by a single MLD have a comb-like structure with fixed THz peaks, leading to gaps in spectral information. In this study, we demonstrate that using two MLDs can generate new signal components to fill these spectral gaps.
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