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We are doing our thesis regarding Raman Spectroscopy and we saw that the setup usually includes a notch or edge filter. I understand that it is important in order to remove the Rayleigh scatter of the incident light which would cloud out the desired signal but to be honest we can't afford that filter because it is really quite expensive and we still have to prioritize the SERS substrates. I was wondering if it is possible to still do the method without having to use such a filter, perhaps through signal processing, while still getting acceptable results?

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  • $\begingroup$ I’ve done many Raman experiments without a notch or edge filter. But, that all depends on your experiment and various parameters. Try it and see. $\endgroup$ – Jon Custer May 28 at 1:49

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