Application of polarization filtering to heterodyne electro-optic sampling for efficient terahertz wave detection

Authors

Masahiko Tani ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui, Japan

Abstract

This paper reports application of "polarization filtering" to the heterodyne electro-optics sampling for efficient terahertz pulsed wave detection. In the conventional polarization filtering detection, several quartz substrates aligned at Brewster angle have been used to filter-out the S-polarization component in the probe beam. However, such an optics is bulky and complicated. On the other hand, such polarization optics is not necessary and a rotatable polarizer is enough to apply the polarization filtering to the heterodyne EO sampling of THz waves. In this paper, enhancement of THz heterodyne EO sampling signal by a rotatable polarizer is experimentally demonstrated and the results are theoretically analyzed.

About the Speaker

Masahiko Tani, Research Center for Development of Far-Infrared Region, University of Fukui, Japan

Masahiko Tani is a Professor at the Research Center for Development of Far-Infrared Region in the University of Fukui. He also serves as the President of the Terahertz Technology Forum in Japan, member of the IRMMW-THz Society International Organizing Committee, and executive board member of the Spectroscopical Society of Japan. He obtained his Ph.D. from Kyoto University, with specialization on Atomic and Molecular Physics and Spectroscopy. Previously, he has also served as Director of the Research Center for Development of Far-Infrared Region, University of Fukui, Associate Professor at the Institute of Laser Engineering, Osaka University and Research Center for Superconductor Photonics, Osaka University. His fields of research include terahertz spectroscopy, nonlinear optics, terahertz wave applications.

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Issue

2024: Proceedings of the 42nd Samahang Pisika ng Pilipinas Physics Conference

Article ID

SPP-2024-INV-2C-01

Section

Invited Presentations

Published

2024-07-03

How to Cite

[1]

M Tani, Application of polarization filtering to heterodyne electro-optic sampling for efficient terahertz wave detection, Proceedings of the Samahang Pisika ng Pilipinas 42, SPP-2024-INV-2C-01 (2024). URL: https://proceedings.spp-online.org/article/view/SPP-2024-INV-2C-01.