Development of a high-power coherent THz sources and THz-TDs system on the basis of a compact electron linac

M. Kumaki, K. Sakaue, M. Washio, R. Kuroda, H. Toyokawa, K. Yamada

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

The high-power terahertz time-domain spectroscopy (THz-TDS) has been developed on the basis of a compact S-band electron linac at AIST, Japan. It is strongly expected for inspection of dangerous materials in the homeland security field. THz radiations are generated in two methods with the ultra-short bunch. One is THz coherent synchrotron radiation (THz-CSR). The other is THz coherent transition radiation (THz-CTR). In the preliminary experiment to obtain the characteristics of THz-CTR, it was observed that the focused THz-CTR had the donut profile in the transverse field due to its initial radial polarization. It was considered to be z-polarization at the focus point. In case of the THz-TDS experiment, THz-CTR was controlled to be linearly polarized with the polarizer and focused to an electro optical (EO) crystal to obtain a THz temporal waveform using EO sampling method. It leads to THz spectrum with Fourier transform. In this paper, we will describe details of our linac and results of the THz-CTR-TDS experiment.

本文言語English
ホスト出版物のタイトルIPAC 2012 - International Particle Accelerator Conference 2012
ページ37-39
ページ数3
出版ステータスPublished - 2012 12月 1
イベント3rd International Particle Accelerator Conference 2012, IPAC 2012 - New Orleans, LA, United States
継続期間: 2012 5月 202012 5月 25

出版物シリーズ

名前IPAC 2012 - International Particle Accelerator Conference 2012

Conference

Conference3rd International Particle Accelerator Conference 2012, IPAC 2012
国/地域United States
CityNew Orleans, LA
Period12/5/2012/5/25

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学

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