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Issue 21, 2013
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Light-emitting diode based shifted-excitation Raman difference spectroscopy (LED-SERDS)

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Abstract

Fluorescence interference is a common problem in Raman spectroscopy. A low-cost solution using shifted-excitation Raman difference spectroscopy (SERDS) with a light-emitting diode (LED) is presented. A conventional dielectric bandpass filter is employed to narrow the spectral bandwidth of the LED radiation and to stabilize its wavelength. Moreover, angle-tuning of the filter allows the wavelength to be controlled and shifted in order to record SERDS spectra.

Graphical abstract: Light-emitting diode based shifted-excitation Raman difference spectroscopy (LED-SERDS)

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Article information


Submitted
17 Jul 2013
Accepted
23 Aug 2013
First published
23 Aug 2013

Analyst, 2013,138, 6258-6261
Article type
Communication

Light-emitting diode based shifted-excitation Raman difference spectroscopy (LED-SERDS)

R. Adami and J. Kiefer, Analyst, 2013, 138, 6258
DOI: 10.1039/C3AN01367G

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