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. �� 2013 The Royal Society of Chemistry.

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

ADAMI, RENATA;
2013

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. �� 2013 The Royal Society of Chemistry.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/4255275
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