A review on thin-film sensing with terahertz waves

John F. O'Hara; Withawat Withayachumnankul; Ibraheem Al-Naib

doi:10.1007/s10762-012-9878-x

A review on thin-film sensing with terahertz waves

John F. O'Hara^*
, Withawat Withayachumnankul
, Ibraheem Al-Naib

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

238 Scopus citations

Abstract

In the past two decades, the development and steady improvement of terahertz technology has motivated a wide range of scientific studies designed to discover and develop terahertz applications. Terahertz sensing is one such application, and its continued maturation is virtually guaranteed by the unique properties that materials exhibit in the terahertz frequency range. Thinfilm sensing is one branch of this effort that has enjoyed diverse development in the last decade. Deeply subwavelength sample thicknesses impose great difficulties to conventional terahertz spectroscopy, yet sensing those samples is essential for a large number of applications. In this article we review terahertz thin-film sensing, summarizing the motivation, challenges, and state-of-the-art approaches based predominately on terahertz time-domain spectroscopy.

Original language	English
Pages (from-to)	245-291
Number of pages	47
Journal	Journal of Infrared, Millimeter, and Terahertz Waves
Volume	33
Issue number	3
DOIs	https://doi.org/10.1007/s10762-012-9878-x
State	Published - Mar 2012
Externally published	Yes

Bibliographical note

Funding Information:
Acknowledgements WW acknowledges Bernd M. Fischer, French-German Research Institute of Saint-Louis (ISL), for useful discussion and the Australian Post-Doctoral Fellowship from the Australian Research Council (ARC) through Discovery Project DP1095151. IA would like to thank the Natural Sciences and Engineering Research Council of Canada for the financial support. JO, WW, and IA wish to thank all the authors and publishers who graciously loaned their figures.

Keywords

Filter
Frequency selective surface
Hole array
Metamaterial
Metasurface
Microstrip transmission line
Parallel plate waveguide
Quality factor
Resonator
Sensing
Sensitivity
Split-ring
Surface plasmon polariton
Surface wave
THz
Terahertz
Terahertz differential time-domain spectroscopy
Terahertz ellipsometry
Terahertz goniometry
Terahertz interferometry
Thin-film
Time-domain spectroscopy
Zenneck wave

ASJC Scopus subject areas

Radiation
Instrumentation
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s10762-012-9878-x

Cite this

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title = "A review on thin-film sensing with terahertz waves",

abstract = "In the past two decades, the development and steady improvement of terahertz technology has motivated a wide range of scientific studies designed to discover and develop terahertz applications. Terahertz sensing is one such application, and its continued maturation is virtually guaranteed by the unique properties that materials exhibit in the terahertz frequency range. Thinfilm sensing is one branch of this effort that has enjoyed diverse development in the last decade. Deeply subwavelength sample thicknesses impose great difficulties to conventional terahertz spectroscopy, yet sensing those samples is essential for a large number of applications. In this article we review terahertz thin-film sensing, summarizing the motivation, challenges, and state-of-the-art approaches based predominately on terahertz time-domain spectroscopy.",

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note = "Funding Information: Acknowledgements WW acknowledges Bernd M. Fischer, French-German Research Institute of Saint-Louis (ISL), for useful discussion and the Australian Post-Doctoral Fellowship from the Australian Research Council (ARC) through Discovery Project DP1095151. IA would like to thank the Natural Sciences and Engineering Research Council of Canada for the financial support. JO, WW, and IA wish to thank all the authors and publishers who graciously loaned their figures.",

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N1 - Funding Information: Acknowledgements WW acknowledges Bernd M. Fischer, French-German Research Institute of Saint-Louis (ISL), for useful discussion and the Australian Post-Doctoral Fellowship from the Australian Research Council (ARC) through Discovery Project DP1095151. IA would like to thank the Natural Sciences and Engineering Research Council of Canada for the financial support. JO, WW, and IA wish to thank all the authors and publishers who graciously loaned their figures.

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N2 - In the past two decades, the development and steady improvement of terahertz technology has motivated a wide range of scientific studies designed to discover and develop terahertz applications. Terahertz sensing is one such application, and its continued maturation is virtually guaranteed by the unique properties that materials exhibit in the terahertz frequency range. Thinfilm sensing is one branch of this effort that has enjoyed diverse development in the last decade. Deeply subwavelength sample thicknesses impose great difficulties to conventional terahertz spectroscopy, yet sensing those samples is essential for a large number of applications. In this article we review terahertz thin-film sensing, summarizing the motivation, challenges, and state-of-the-art approaches based predominately on terahertz time-domain spectroscopy.

AB - In the past two decades, the development and steady improvement of terahertz technology has motivated a wide range of scientific studies designed to discover and develop terahertz applications. Terahertz sensing is one such application, and its continued maturation is virtually guaranteed by the unique properties that materials exhibit in the terahertz frequency range. Thinfilm sensing is one branch of this effort that has enjoyed diverse development in the last decade. Deeply subwavelength sample thicknesses impose great difficulties to conventional terahertz spectroscopy, yet sensing those samples is essential for a large number of applications. In this article we review terahertz thin-film sensing, summarizing the motivation, challenges, and state-of-the-art approaches based predominately on terahertz time-domain spectroscopy.

KW - Filter

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KW - Sensing

KW - Sensitivity

KW - Split-ring

KW - Surface plasmon polariton

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KW - THz

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KW - Time-domain spectroscopy

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SN - 1866-6892

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JO - Journal of Infrared, Millimeter, and Terahertz Waves

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A review on thin-film sensing with terahertz waves

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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