Abstract: A method of performing Raman spectroscopy comprising: generating wavelength shifted excitation light for exciting a Raman response from at least one sample, wherein the wavelength shifted excitation light comprises at least two excitation wavelengths; providing the wavelength shifted excitation light to the at least one sample and collecting signal light from the at least one sample; obtaining response signals from the collected signal light; processing the obtained response signals to determine a Raman response and a fluorescence response, wherein determining the Raman response uses at least one characteristic of an expected Raman response to the wavelength shifted excitation light and wherein determining the fluorescence response uses at least one characteristic of an expected fluorescence response to the shifted excitation light.

Abstract: A method of performing Raman spectroscopy comprising: generating wavelength shifted excitation light for exciting a Raman response from at least one sample, wherein the wavelength shifted excitation light comprises at least two excitation wavelengths; providing the wavelength shifted excitation light to the at least one sample and collecting signal light from the at least one sample; obtaining response signals from the collected signal light; processing the obtained response signals to determine a Raman response and a fluorescence response, wherein determining the Raman response uses at least one characteristic of an expected Raman response to the wavelength shifted excitation light and wherein determining the fluorescence response uses at least one characteristic of an expected fluorescence response to the shifted excitation light.