Non-invasive terahertz field imaging inside parallel plate waveguides

Krzysztof Iwaszczuk; Andrei Andryieuski; Andrei Lavrinenko; X. -C. Zhang; Peter Uhd Jepsen

doi:10.1063/1.3628340

Non-invasive terahertz field imaging inside parallel plate waveguides

Krzysztof Iwaszczuk, Andrei Andryieuski, Andrei Lavrinenko, X. -C. Zhang, Peter Uhd Jepsen

Rensselaer Polytechnic Institute

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Abstract

We present a non-invasive broadband air photonic method of imaging of the electric field of THz pulses propagating inside a tapered parallel plate waveguide. The method is based on field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We apply the technique to measure the frequency-dependent reflection coefficient at the end of the waveguide.

Original language	English
Journal	Applied Physics Letters
Volume	99
Issue number	7
Pages (from-to)	071113
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.3628340
Publication status	Published - 2011

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title = "Non-invasive terahertz field imaging inside parallel plate waveguides",

abstract = "We present a non-invasive broadband air photonic method of imaging of the electric field of THz pulses propagating inside a tapered parallel plate waveguide. The method is based on field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We apply the technique to measure the frequency-dependent reflection coefficient at the end of the waveguide. ",

author = "Krzysztof Iwaszczuk and Andrei Andryieuski and Andrei Lavrinenko and Zhang, {X. -C.} and Jepsen, {Peter Uhd}",

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AU - Iwaszczuk, Krzysztof

AU - Andryieuski, Andrei

AU - Lavrinenko, Andrei

AU - Zhang, X. -C.

AU - Jepsen, Peter Uhd

PY - 2011

Y1 - 2011

N2 - We present a non-invasive broadband air photonic method of imaging of the electric field of THz pulses propagating inside a tapered parallel plate waveguide. The method is based on field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We apply the technique to measure the frequency-dependent reflection coefficient at the end of the waveguide.

AB - We present a non-invasive broadband air photonic method of imaging of the electric field of THz pulses propagating inside a tapered parallel plate waveguide. The method is based on field-enhanced second harmonic generation of the fundamental laser beam in an external electric field. We apply the technique to measure the frequency-dependent reflection coefficient at the end of the waveguide.

U2 - 10.1063/1.3628340

DO - 10.1063/1.3628340

M3 - Journal article

SN - 0003-6951

VL - 99

SP - 071113

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 7

ER -

Non-invasive terahertz field imaging inside parallel plate waveguides

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