Plasmonic enhancement of photoacoustic-induced reflection changes

Guido De Haan; Vanessa Verrina; Aurele J.L. Adam; Hao Zhang; Paul C.M. Planken

doi:10.1364/AO.432659

Plasmonic enhancement of photoacoustic-induced reflection changes

Guido De Haan^*, Vanessa Verrina, Aurele J.L. Adam, Hao Zhang, Paul C.M. Planken

^*Corresponding author for this work

ImPhys/Optics

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

In this paper, we report on surface-plasmon-resonance enhancement of the time-dependent reflection changes caused by laser-induced acoustic waves.We measure an enhancement of the reflection changes induced by several acoustical modes, such as longitudinal, quasi-normal, and surface acoustic waves, by a factor of 10-20.We show that the reflection changes induced by the longitudinal and quasi-normal modes are enhanced in the wings of the surface plasmon polariton resonance. The surface acoustic wave-induced reflection changes are enhanced on the peak of this resonance.We attribute the enhanced reflection changes to the longitudinal wave and the quasi-normal mode to a shift in the surface plasmon polariton resonance via acoustically induced electron density changes and via grating geometry changes.

Original language	English
Pages (from-to)	7304-7313
Journal	Applied Optics
Volume	60
Issue number	24
DOIs	https://doi.org/10.1364/AO.432659
Publication status	Published - 2021

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title = "Plasmonic enhancement of photoacoustic-induced reflection changes",

abstract = "In this paper, we report on surface-plasmon-resonance enhancement of the time-dependent reflection changes caused by laser-induced acoustic waves.We measure an enhancement of the reflection changes induced by several acoustical modes, such as longitudinal, quasi-normal, and surface acoustic waves, by a factor of 10-20.We show that the reflection changes induced by the longitudinal and quasi-normal modes are enhanced in the wings of the surface plasmon polariton resonance. The surface acoustic wave-induced reflection changes are enhanced on the peak of this resonance.We attribute the enhanced reflection changes to the longitudinal wave and the quasi-normal mode to a shift in the surface plasmon polariton resonance via acoustically induced electron density changes and via grating geometry changes. ",

author = "{De Haan}, Guido and Vanessa Verrina and Adam, {Aurele J.L.} and Hao Zhang and Planken, {Paul C.M.}",

year = "2021",

doi = "10.1364/AO.432659",

language = "English",

volume = "60",

pages = "7304--7313",

journal = "Applied Optics",

issn = "1559-128X",

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T1 - Plasmonic enhancement of photoacoustic-induced reflection changes

AU - De Haan, Guido

AU - Verrina, Vanessa

AU - Adam, Aurele J.L.

AU - Zhang, Hao

AU - Planken, Paul C.M.

PY - 2021

Y1 - 2021

N2 - In this paper, we report on surface-plasmon-resonance enhancement of the time-dependent reflection changes caused by laser-induced acoustic waves.We measure an enhancement of the reflection changes induced by several acoustical modes, such as longitudinal, quasi-normal, and surface acoustic waves, by a factor of 10-20.We show that the reflection changes induced by the longitudinal and quasi-normal modes are enhanced in the wings of the surface plasmon polariton resonance. The surface acoustic wave-induced reflection changes are enhanced on the peak of this resonance.We attribute the enhanced reflection changes to the longitudinal wave and the quasi-normal mode to a shift in the surface plasmon polariton resonance via acoustically induced electron density changes and via grating geometry changes.

AB - In this paper, we report on surface-plasmon-resonance enhancement of the time-dependent reflection changes caused by laser-induced acoustic waves.We measure an enhancement of the reflection changes induced by several acoustical modes, such as longitudinal, quasi-normal, and surface acoustic waves, by a factor of 10-20.We show that the reflection changes induced by the longitudinal and quasi-normal modes are enhanced in the wings of the surface plasmon polariton resonance. The surface acoustic wave-induced reflection changes are enhanced on the peak of this resonance.We attribute the enhanced reflection changes to the longitudinal wave and the quasi-normal mode to a shift in the surface plasmon polariton resonance via acoustically induced electron density changes and via grating geometry changes.

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U2 - 10.1364/AO.432659

DO - 10.1364/AO.432659

M3 - Article

AN - SCOPUS:85113276065

SN - 1559-128X

VL - 60

SP - 7304

EP - 7313

JO - Applied Optics

JF - Applied Optics

IS - 24

ER -

Plasmonic enhancement of photoacoustic-induced reflection changes

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