T-ray topography by time-domain polarimetry

Naoya Yasumatsu, Shinichi Watanabe

研究成果: Article査読

24 被引用数 (Scopus)

抄録

We demonstrate a method for substantially improving the axial resolution of terahertz time-of-flight measurements by analyzing the time-dependent polarization direction of an elliptically polarized single-cycle terahertz electromagnetic (T-ray) pulse. We show that, at its most sensitive, the technique has an axial resolution of ̃/1000 (<1 μm) with a subsecond measurement time, and very clear T-ray topographic images are obtained. Such a very high axial resolution of the T-ray topography opens the way for novel industrial and biomedical applications such as fine metalworking and corneal inspection in a safe manner.

本文言語English
ページ(範囲)2706-2708
ページ数3
ジャーナルOptics Letters
37
13
DOI
出版ステータスPublished - 2012 7月 1

ASJC Scopus subject areas

  • 原子分子物理学および光学

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