Influence of spectral filtering in heterodyne terahertz electro-optic sampling

Authors

Daiki Goto ⋅ JP Research Center for the Development of Far-Infrared Region, University of Fukui
Hiroyuki Kato ⋅ JP Research Center for the Development of Far-Infrared Region, University of Fukui
Takuro Yasumoto ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui
Hideaki Kitahara ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui
Takashi Furuya ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui
Kohji Yamamoto ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui
Elmer Estacio ⋅ PH National Institute of Physics, University of the Philippines Diliman
Michael I. Bakunov ⋅ RU Department of General Physics, University of Nizhny Novgorod
Masahiko Tani ⋅ JP Research Center for Development of Far-Infrared Region, University of Fukui

Abstract

We have studied influence of the spectral filtering for the efficiency of the heterodyne electro-optic (EO) sampling detection of THz pulsed radiation. Compared to the normal heterodyne EO sampling without spectral filtering, the EO sampling signal ΔI/I has been enhanced by 20% when a short-pass edge filter is inserted in the probe beam pass. The enhancement is explained by the suppression of the spectral component corresponding to the difference frequency generation and the increased contrast of the heterodyne EO sampling signal corresponding to the sum frequency generation.

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Issue

2016: Proceedings of the 34th Samahang Pisika ng Pilipinas Physics Conference

Physics at the front and center: Strengthening core values in physics research
18–21 August 2016, University of the Philippines Visayas, Iloilo City

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Article ID

SPP-2016-2A-01

Section

Optics and Photonics

Published

2016-08-18

How to Cite

[1]

D Goto, H Kato, T Yasumoto, H Kitahara, T Furuya, K Yamamoto, E Estacio, MI Bakunov, and M Tani, Influence of spectral filtering in heterodyne terahertz electro-optic sampling, Proceedings of the Samahang Pisika ng Pilipinas 34, SPP-2016-2A-01 (2016). URL: https://proceedings.spp-online.org/article/view/SPP-2016-2A-01.