![]() Conversely other applications such as colorimetry, fluorescence and radiometry normally do not demand high resolution. For applications such as laser induced breakdown spectroscopy, Raman, and optical emission spectroscopy, relatively high resolution is very important. The spectral resolution of an instrument can mean the difference between making the correct identification of a molecular fingerprint or not, or between two or more atomic lines. The resolution of a spectrometer is expressed in the following: R=λ/Δλ When is Resolution Important, or Not? This is known as spectral resolution and is normally defined as the minimum spectral separation between peaks that the instrument can resolve. When evaluating a spectrometer instrument, the optical resolving power of the instrument is key. What is Resolution?Īmong the many applications of spectroscopy, we encounter many different types of resolution ranging from temporal, spatial and spectral resolution. The purpose of this article is to clarify resolution specifications, how they are measured and what to watch for when evaluating the resolution of a spectrometer for your application. ![]() For one thing, maximizing resolution might not be recommended for specific applications and can actually impede performance. But resolution specifications can be overstated by manufacturers if the proper means of measuring resolution is not well understood by spectrometer buyers. ![]() Resolution is one of the key specifications discussed in a spectrometer purchase decision. Understanding Spectrometer Resolution Specifications ![]()
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