2018
DOI: 10.1103/physrevlett.120.085704
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Damage in a Thin Metal Film by High-Power Terahertz Radiation

Abstract: We report on the experimental observation of high-power terahertz-radiation-induced damage in a thin aluminum film with a thickness less than a terahertz skin depth. Damage in a thin metal film produced by a single terahertz pulse is observed for the first time. The damage mechanism induced by a single terahertz pulse could be attributed to thermal expansion of the film causing debonding of the film from the substrate, film cracking, and ablation. The damage pattern induced by multiple terahertz pulses at flue… Show more

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Cited by 46 publications
(39 citation statements)
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“…While this is an effective means for modulating transmission across a broad spectral range, significant reflection in the insulating state will still exist due to impedance mismatch with free space, while in the metallic state, nearly all incident light will be reflected. This can be detrimental in devices where scattered light impedes performance or even causes irreversible damage, for example, in sensors and sensitive biosystems …”
Section: Introductionmentioning
confidence: 99%
“…While this is an effective means for modulating transmission across a broad spectral range, significant reflection in the insulating state will still exist due to impedance mismatch with free space, while in the metallic state, nearly all incident light will be reflected. This can be detrimental in devices where scattered light impedes performance or even causes irreversible damage, for example, in sensors and sensitive biosystems …”
Section: Introductionmentioning
confidence: 99%
“…Настоящая работа посвящена экспериментальным исследованиям деградации и разрушения тонких пленок из нержавеющей стали марки AISI 321 при многократном воздействии сверхкоротких импульсов THz-излучения с напряженностью электрического поля до 20 MV/cm. Ранее подобные исследования проводились нами на пленках алюминия [5] и никеля [6].…”
unclassified
“…Для преобразования оптического излучения в терагерцевое использовался нелинейный кристалл DSTMS. Параметры излучения, оптическая схема и методика измерений подробно описаны в [5,6].…”
unclassified
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