Selecting the right spectral resolution is of decisive interest to all Raman users. This applies to the purchase as well as the daily work with a Raman microscope. In most cases, the user’s application and studied materials determine the final choice in spectral resolution. For example, narrow Raman lines, such as those found in highly crystalline materials or gases, require higher spectral resolution. In contrast, high resolutions are not required for the identification of amorphous solid material or liquids. This paper discusses how and why the spectral resolution required for dispersive Raman microscopy depends on the intended application and the sample material.
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