Attenuation of THz Beams: A "How to" Tutorial

Korbinian J. Kaltenecker (Invited author), Edmund Kelleher (Invited author), Binbin Zhou (Invited author), Peter Uhd Jepsen (Invited author)

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Attenuation of ultrashort THz pulses poses a significant technological challenge due to the broadband nature of such light pulses. Several methods exist for this purpose, including crossed wire grid polarizers, high refractive index, high resistivity silicon wafers, and ultrathin metal films. In this review, we discuss the operational principles of these methods, and highlight some of the advantages and potential pitfalls of the methods. We describe the limits of high-frequency operation of wire grid polarizers, relevant for contemporary ultra-broadband THz sources in air photonics. We discuss the effects of multiple reflections and interference in sequences of silicon wafers for attenuation, and finally discuss the potential of using ultrathin metallic films for broadband attenuation.
Original languageEnglish
JournalJournal of Infrared, Millimeter and Terahertz Waves
Volume40
Issue number8
Pages (from-to)878–904
ISSN1866-6892
DOIs
Publication statusPublished - 2019

Keywords

  • Attenuation of terahertz beams
  • Time-domain measurements
  • Tutorial

Cite this

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title = "Attenuation of THz Beams: A {"}How to{"} Tutorial",
abstract = "Attenuation of ultrashort THz pulses poses a significant technological challenge due to the broadband nature of such light pulses. Several methods exist for this purpose, including crossed wire grid polarizers, high refractive index, high resistivity silicon wafers, and ultrathin metal films. In this review, we discuss the operational principles of these methods, and highlight some of the advantages and potential pitfalls of the methods. We describe the limits of high-frequency operation of wire grid polarizers, relevant for contemporary ultra-broadband THz sources in air photonics. We discuss the effects of multiple reflections and interference in sequences of silicon wafers for attenuation, and finally discuss the potential of using ultrathin metallic films for broadband attenuation.",
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year = "2019",
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Attenuation of THz Beams: A "How to" Tutorial. / Kaltenecker, Korbinian J. (Invited author); Kelleher, Edmund (Invited author); Zhou, Binbin (Invited author); Jepsen, Peter Uhd (Invited author).

In: Journal of Infrared, Millimeter and Terahertz Waves, Vol. 40, No. 8, 2019, p. 878–904.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Attenuation of THz Beams: A "How to" Tutorial

AU - Kaltenecker, Korbinian J.

AU - Kelleher, Edmund

AU - Zhou, Binbin

AU - Jepsen, Peter Uhd

PY - 2019

Y1 - 2019

N2 - Attenuation of ultrashort THz pulses poses a significant technological challenge due to the broadband nature of such light pulses. Several methods exist for this purpose, including crossed wire grid polarizers, high refractive index, high resistivity silicon wafers, and ultrathin metal films. In this review, we discuss the operational principles of these methods, and highlight some of the advantages and potential pitfalls of the methods. We describe the limits of high-frequency operation of wire grid polarizers, relevant for contemporary ultra-broadband THz sources in air photonics. We discuss the effects of multiple reflections and interference in sequences of silicon wafers for attenuation, and finally discuss the potential of using ultrathin metallic films for broadband attenuation.

AB - Attenuation of ultrashort THz pulses poses a significant technological challenge due to the broadband nature of such light pulses. Several methods exist for this purpose, including crossed wire grid polarizers, high refractive index, high resistivity silicon wafers, and ultrathin metal films. In this review, we discuss the operational principles of these methods, and highlight some of the advantages and potential pitfalls of the methods. We describe the limits of high-frequency operation of wire grid polarizers, relevant for contemporary ultra-broadband THz sources in air photonics. We discuss the effects of multiple reflections and interference in sequences of silicon wafers for attenuation, and finally discuss the potential of using ultrathin metallic films for broadband attenuation.

KW - Attenuation of terahertz beams

KW - Time-domain measurements

KW - Tutorial

U2 - 10.1007/s10762-019-00608-x

DO - 10.1007/s10762-019-00608-x

M3 - Journal article

VL - 40

SP - 878

EP - 904

JO - Journal of Infrared, Millimeter and Terahertz Waves

JF - Journal of Infrared, Millimeter and Terahertz Waves

SN - 1866-6892

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ER -