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Which 785 nm Laser for Raman Spectroscopy?

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Which 785 nm Laser for Raman Spectroscopy?

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The most commonly used wavelength in Raman spectroscopy is 785 nm. It offers the best balance between scattering efficiency, influence of fluorescence, detector efficiency and availability of cost-efficient and compact, high-quality laser sources. To understand more on how the choice of wavelength can affect the Raman spectroscopy measurements, see our post on How to choose lasers for Raman Spectroscopy. In this post, we introduce the different laser technologies available at 785 nm and discuss how the different technologies perform in relation to the critical performance specifications to consider when selecting lasers for Raman spectroscopy.

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