Surface plasmon resonance spectroscopy in the mid-infrared range

Herminjard, S.; Sirigu, L.; Herzig, H. P.; Studemann, E.; Crottini, A.; Pellaux, Jean-Paul; Gresch, Tobias; Fischer, M.; Faist, Jérôme

doi:10.1109/cleo.2008.4551327

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…It can be clearly seen that the SPR angle of the sample under gas ON shifts to the higher angle about 1.6⁰, comparing to the measurement under gas OFF. Such peak shift may be caused by the chemisorptions states of CO 2 on the surface of ZnO or the reaction between CO 2 and ZnO [11], however detail investigation is need. .…”

Section: Methodsmentioning

confidence: 97%

Fabrication of ZnO/Au/prism-based surface plasmon resonance device for gas detection

Nuryadi¹,

Mayasari²,

Aprilia³

et al. 2015

2015 International Conference on Quality in Research (QiR)

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Surface plasmon resonance (SPR) sensing devices have attracted interest both from a fundamental physics perspective and as higly sensitive devices for detecting small chemical and biological objects. In this work, we design SPR device using a modified Kretschmann configuration for gas detection. After gold coating on the flat surface of BK-7 semicylindrical prism, ZnO microstructures which work as sensitive layer, are formed on the gold film surface. The light reflectance is measured for various angles in order to observe the SPR spectra. Next, we measure the shift of SPR angle due to response of ZnO sensitive layer to CO 2 gas. It is found that the absorption of gas molecules on the sensitive layer produces the shift of SPR spectra to the higher incident angle. The change of the light reflectance due to the gas response on the time-dependent characteristics is also studied.

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Section: Methodsmentioning

confidence: 97%

Fabrication of ZnO/Au/prism-based surface plasmon resonance device for gas detection

Nuryadi¹,

Mayasari²,

Aprilia³

et al. 2015

2015 International Conference on Quality in Research (QiR)

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Effects of Grating Slant Angle on Surface Plasmon Resonance and its Applications for Sensors

Xiong

Zhan

2014

AMM

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In this study, we emphasized on effects of grating slant angle of tilted dielectric gratings (TG) on surface plasmon resonance (SPR). The momentum conservation for an optical wave exciting an SPR via TG is different from unslant gratings. The coupling condition induces the period along the grating surface (in the direction x) be decided not only by grating period but also by slant angle. The results calculated by rigorous coupled-wave analysis theory (RCWA) indicate that the resonant wavelength and the refractive index sensitivity are strongly dependent on the period in the direction x (noted Λx). And the refractive index sensitivity increases with the rise of the period Λx. The SPR sensor through TG offers high sensitivity about 800nm per refractive index unit and narrow full-width at half maximum (FWHM) about 5nm when monitoring biochemical liquid solutions.

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Surface plasmon resonance spectroscopy in the mid-infrared range

Cited by 2 publications

References 3 publications

Fabrication of ZnO/Au/prism-based surface plasmon resonance device for gas detection

Fabrication of ZnO/Au/prism-based surface plasmon resonance device for gas detection

Effects of Grating Slant Angle on Surface Plasmon Resonance and its Applications for Sensors

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