THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging

THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging

Terahertz (THz) technology offers unique see-through imaging capability for various non-destructive inspection applications. In this work, we implemented a broadband continuous-wave THz imaging system to study technical issues related to the see-through imaging, including frequency-dependent resolut...

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Bibliographic Details
Main Authors: Kiwon Moon, Il-Min Lee, Eui Su Lee, Kyung Hyun Park
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Applied Sciences
Subjects:
terahertz
imaging
non-destructive
continuous-wave
telecentric
raster scanning
Online Access:https://www.mdpi.com/2076-3417/10/20/7228
id doaj-5ff7873441f9407a8a1b48ccb4f5e876
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spelling doaj-5ff7873441f9407a8a1b48ccb4f5e8762020-11-25T03:38:17ZengMDPI AGApplied Sciences2076-34172020-10-01107228722810.3390/app10207228THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through ImagingKiwon Moon0Il-Min Lee1Eui Su Lee2Kyung Hyun Park3Terahertz Research Section, Future & Basic Technology Research Division, ICT Creative Research Laboratory, Electronics and Telecommunications Research Institute, 218 Gajeongno, Yuseong-gu, Daejeon 34129, KoreaTerahertz Research Section, Future & Basic Technology Research Division, ICT Creative Research Laboratory, Electronics and Telecommunications Research Institute, 218 Gajeongno, Yuseong-gu, Daejeon 34129, KoreaTerahertz Research Section, Future & Basic Technology Research Division, ICT Creative Research Laboratory, Electronics and Telecommunications Research Institute, 218 Gajeongno, Yuseong-gu, Daejeon 34129, KoreaTerahertz Research Section, Future & Basic Technology Research Division, ICT Creative Research Laboratory, Electronics and Telecommunications Research Institute, 218 Gajeongno, Yuseong-gu, Daejeon 34129, KoreaTerahertz (THz) technology offers unique see-through imaging capability for various non-destructive inspection applications. In this work, we implemented a broadband continuous-wave THz imaging system to study technical issues related to the see-through imaging, including frequency-dependent resolution, material loss, and interference-induced artifacts. The interference-induced false contrast and artifacts were observed, which were suppressed by broadband imaging techniques adopting the homodyne signal amplification by interferometric setup to overcome the material loss.https://www.mdpi.com/2076-3417/10/20/7228terahertzimagingnon-destructivecontinuous-wavetelecentricraster scanning
collection DOAJ
language English
format Article
sources DOAJ
author Kiwon Moon
Il-Min Lee
Eui Su Lee
Kyung Hyun Park
spellingShingle Kiwon Moon
Il-Min Lee
Eui Su Lee
Kyung Hyun Park
THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
Applied Sciences
terahertz
imaging
non-destructive
continuous-wave
telecentric
raster scanning
author_facet Kiwon Moon
Il-Min Lee
Eui Su Lee
Kyung Hyun Park
author_sort Kiwon Moon
title THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
title_short THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
title_full THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
title_fullStr THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
title_full_unstemmed THz Reflective Imaging System Utilizing Broadband Homodyne Amplification for Artifact-Free See-Through Imaging
title_sort thz reflective imaging system utilizing broadband homodyne amplification for artifact-free see-through imaging
publisher MDPI AG
series Applied Sciences
issn 2076-3417
publishDate 2020-10-01
description Terahertz (THz) technology offers unique see-through imaging capability for various non-destructive inspection applications. In this work, we implemented a broadband continuous-wave THz imaging system to study technical issues related to the see-through imaging, including frequency-dependent resolution, material loss, and interference-induced artifacts. The interference-induced false contrast and artifacts were observed, which were suppressed by broadband imaging techniques adopting the homodyne signal amplification by interferometric setup to overcome the material loss.
topic terahertz
imaging
non-destructive
continuous-wave
telecentric
raster scanning
url https://www.mdpi.com/2076-3417/10/20/7228
work_keys_str_mv AT kiwonmoon thzreflectiveimagingsystemutilizingbroadbandhomodyneamplificationforartifactfreeseethroughimaging
AT ilminlee thzreflectiveimagingsystemutilizingbroadbandhomodyneamplificationforartifactfreeseethroughimaging
AT euisulee thzreflectiveimagingsystemutilizingbroadbandhomodyneamplificationforartifactfreeseethroughimaging
AT kyunghyunpark thzreflectiveimagingsystemutilizingbroadbandhomodyneamplificationforartifactfreeseethroughimaging
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