Terahertz time-domain transmission and reflection spectroscopy of niobium

Taeyoon Hong; Kyujin Choi; Byoung Cheol Park; Taewoo Ha; Kyung Ik Sim; Dong Gwang Ha; Yonuk Chong; Jae Hoon Kim

doi:10.9714/psac.2013.15.1.011

Terahertz time-domain transmission and reflection spectroscopy of niobium

Taeyoon Hong, Kyujin Choi, Byoung Cheol Park, Taewoo Ha, Kyung Ik Sim, Dong Gwang Ha, Yonuk Chong, Jae Hoon Kim

Department of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We have developed a terahertz time-domain spectroscopy (THz-TDS) system for transmission and reflection measurements of metallic thin films. Using our THz-TDS system, we studied the conventional superconductor niobium (Nb) in the normal state in the spectral range from 5 to 50 cm^-1. Both the real and imaginary parts of the conductivity are acquired without Kramers-Kronig analysis. Nb exhibits a nearly frequency independent real conductivity spectrum in the terahertz range, with a very small imaginary part.

Original language	English
Pages (from-to)	11-13
Number of pages	3
Journal	Journal of the Korea Institute of Applied Superconductivity and Cryogenics
Volume	15
Issue number	1
DOIs	https://doi.org/10.9714/psac.2013.15.1.011
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.9714/psac.2013.15.1.011

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abstract = "We have developed a terahertz time-domain spectroscopy (THz-TDS) system for transmission and reflection measurements of metallic thin films. Using our THz-TDS system, we studied the conventional superconductor niobium (Nb) in the normal state in the spectral range from 5 to 50 cm-1. Both the real and imaginary parts of the conductivity are acquired without Kramers-Kronig analysis. Nb exhibits a nearly frequency independent real conductivity spectrum in the terahertz range, with a very small imaginary part.",

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AU - Hong, Taeyoon

AU - Choi, Kyujin

AU - Park, Byoung Cheol

AU - Ha, Taewoo

AU - Sim, Kyung Ik

AU - Ha, Dong Gwang

AU - Chong, Yonuk

AU - Kim, Jae Hoon

PY - 2013

Y1 - 2013

N2 - We have developed a terahertz time-domain spectroscopy (THz-TDS) system for transmission and reflection measurements of metallic thin films. Using our THz-TDS system, we studied the conventional superconductor niobium (Nb) in the normal state in the spectral range from 5 to 50 cm-1. Both the real and imaginary parts of the conductivity are acquired without Kramers-Kronig analysis. Nb exhibits a nearly frequency independent real conductivity spectrum in the terahertz range, with a very small imaginary part.

AB - We have developed a terahertz time-domain spectroscopy (THz-TDS) system for transmission and reflection measurements of metallic thin films. Using our THz-TDS system, we studied the conventional superconductor niobium (Nb) in the normal state in the spectral range from 5 to 50 cm-1. Both the real and imaginary parts of the conductivity are acquired without Kramers-Kronig analysis. Nb exhibits a nearly frequency independent real conductivity spectrum in the terahertz range, with a very small imaginary part.

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Terahertz time-domain transmission and reflection spectroscopy of niobium

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