Surface Raman spectroscopy with and without reverse Kretschmann configuration: Effect of evanescent-wave-coupled emission

Chen Chen; Dan Feng Lu; Ran Gao; Jin Cheng; Zhi Mei Qi

doi:10.7567/APEX.9.062001

Surface Raman spectroscopy with and without reverse Kretschmann configuration: Effect of evanescent-wave-coupled emission

Chen Chen, Dan Feng Lu, Ran Gao, Jin Cheng, Zhi Mei Qi

CAS - Institute of Electronics

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

12 Citations (Scopus)

Abstract

Evanescent-wave-coupled emission has been used for reverse Kretschmann fluorescence and Raman spectroscopies with high collection efficiency. However, it has a negative effect on the common surface-enhanced Raman spectroscopy and tip-enhanced Raman spectroscopy without the reverse Kretschmann configuration because the coupling of a large fraction of light power into the substrate impairs the Raman signal backscattered in air. A rough core layer can significantly weaken evanescent-wave-coupled emission, which is conducive to enhancing the backscattered Raman signal. In this work, we theoretically investigate the surface-plasmon-coupled emission and its effects on surface Raman spectroscopy.

Original language	English
Article number	062001
Journal	Applied Physics Express
Volume	9
Issue number	6
DOIs	https://doi.org/10.7567/APEX.9.062001
Publication status	Published - Jun 2016
Externally published	Yes

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title = "Surface Raman spectroscopy with and without reverse Kretschmann configuration: Effect of evanescent-wave-coupled emission",

abstract = "Evanescent-wave-coupled emission has been used for reverse Kretschmann fluorescence and Raman spectroscopies with high collection efficiency. However, it has a negative effect on the common surface-enhanced Raman spectroscopy and tip-enhanced Raman spectroscopy without the reverse Kretschmann configuration because the coupling of a large fraction of light power into the substrate impairs the Raman signal backscattered in air. A rough core layer can significantly weaken evanescent-wave-coupled emission, which is conducive to enhancing the backscattered Raman signal. In this work, we theoretically investigate the surface-plasmon-coupled emission and its effects on surface Raman spectroscopy.",

author = "Chen Chen and Lu, {Dan Feng} and Ran Gao and Jin Cheng and Qi, {Zhi Mei}",

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T2 - Effect of evanescent-wave-coupled emission

AU - Chen, Chen

AU - Lu, Dan Feng

AU - Gao, Ran

AU - Cheng, Jin

AU - Qi, Zhi Mei

PY - 2016/6

Y1 - 2016/6

N2 - Evanescent-wave-coupled emission has been used for reverse Kretschmann fluorescence and Raman spectroscopies with high collection efficiency. However, it has a negative effect on the common surface-enhanced Raman spectroscopy and tip-enhanced Raman spectroscopy without the reverse Kretschmann configuration because the coupling of a large fraction of light power into the substrate impairs the Raman signal backscattered in air. A rough core layer can significantly weaken evanescent-wave-coupled emission, which is conducive to enhancing the backscattered Raman signal. In this work, we theoretically investigate the surface-plasmon-coupled emission and its effects on surface Raman spectroscopy.

AB - Evanescent-wave-coupled emission has been used for reverse Kretschmann fluorescence and Raman spectroscopies with high collection efficiency. However, it has a negative effect on the common surface-enhanced Raman spectroscopy and tip-enhanced Raman spectroscopy without the reverse Kretschmann configuration because the coupling of a large fraction of light power into the substrate impairs the Raman signal backscattered in air. A rough core layer can significantly weaken evanescent-wave-coupled emission, which is conducive to enhancing the backscattered Raman signal. In this work, we theoretically investigate the surface-plasmon-coupled emission and its effects on surface Raman spectroscopy.

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JO - Applied Physics Express

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Surface Raman spectroscopy with and without reverse Kretschmann configuration: Effect of evanescent-wave-coupled emission

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