THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films

Abstract We report on terahertz characterization of La-doped BaSnO3 (BSO) thin-films. BSO is a transparent complex oxide material, which has attracted substantial interest due to its large electrical conductivity and wide bandgap. The complex refractive index of these films is extracted in the 0.3 t...

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Autores principales:	Sara Arezoomandan, Abhinav Prakash, Ashish Chanana, Jin Yue, Jieying Mao, Steve Blair, Ajay Nahata, Bharat Jalan, Berardi Sensale-Rodriguez
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3bd3649d856e43b19cd4627c08c60529
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spelling	oai:doaj.org-article:3bd3649d856e43b19cd4627c08c605292021-12-02T16:08:26ZTHz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films10.1038/s41598-018-22038-w2045-2322https://doaj.org/article/3bd3649d856e43b19cd4627c08c605292018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-22038-whttps://doaj.org/toc/2045-2322Abstract We report on terahertz characterization of La-doped BaSnO3 (BSO) thin-films. BSO is a transparent complex oxide material, which has attracted substantial interest due to its large electrical conductivity and wide bandgap. The complex refractive index of these films is extracted in the 0.3 to 1.5 THz frequency range, which shows a metal-like response across this broad frequency window. The large optical conductivity found in these films at terahertz wavelengths makes this material an interesting platform for developing electromagnetic structures having a strong response at terahertz wavelengths, i.e. terahertz-functional, while being transparent at visible and near-IR wavelengths. As an example of such application, we demonstrate a visible-transparent terahertz polarizer.Sara ArezoomandanAbhinav PrakashAshish ChananaJin YueJieying MaoSteve BlairAjay NahataBharat JalanBerardi Sensale-RodriguezNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sara Arezoomandan Abhinav Prakash Ashish Chanana Jin Yue Jieying Mao Steve Blair Ajay Nahata Bharat Jalan Berardi Sensale-Rodriguez THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
description	Abstract We report on terahertz characterization of La-doped BaSnO3 (BSO) thin-films. BSO is a transparent complex oxide material, which has attracted substantial interest due to its large electrical conductivity and wide bandgap. The complex refractive index of these films is extracted in the 0.3 to 1.5 THz frequency range, which shows a metal-like response across this broad frequency window. The large optical conductivity found in these films at terahertz wavelengths makes this material an interesting platform for developing electromagnetic structures having a strong response at terahertz wavelengths, i.e. terahertz-functional, while being transparent at visible and near-IR wavelengths. As an example of such application, we demonstrate a visible-transparent terahertz polarizer.
format	article
author	Sara Arezoomandan Abhinav Prakash Ashish Chanana Jin Yue Jieying Mao Steve Blair Ajay Nahata Bharat Jalan Berardi Sensale-Rodriguez
author_facet	Sara Arezoomandan Abhinav Prakash Ashish Chanana Jin Yue Jieying Mao Steve Blair Ajay Nahata Bharat Jalan Berardi Sensale-Rodriguez
author_sort	Sara Arezoomandan
title	THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
title_short	THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
title_full	THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
title_fullStr	THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
title_full_unstemmed	THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films
title_sort	thz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive la-doped basno3 films
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/3bd3649d856e43b19cd4627c08c60529
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THz characterization and demonstration of visible-transparent/terahertz-functional electromagnetic structures in ultra-conductive La-doped BaSnO3 Films

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