Universiteit Leiden

Kjeld Gertrudus Hendrikus Janssen

Thomas Hankemeier

A Raman spectrometer includes a light source (), a sensor element () and a detector (), where the sensor element () includes an active surface (), which active surface () is coated with a layer () of inert material to be placed in contact with the sample (). A sensor element () includes an active surface () which is coated with a layer () of inert material. A method for obtaining a Raman spectrum using such a sensor element () includes the following steps: a) providing a sensor element (), comprising an active surface () which is coated with a layer () of inert material and placing the layer () of inert material in contact with a sample to be analysed; b) illuminating the sensor element () with monochromatic light; and c) detecting surface enhanced Raman scattering by the sensor element ().

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Afferden, Netherlands

Kjeld Gertrudus Hendrikus Janssen