Skip to main content
Thermo Fisher Scientific

FT-IR - Introduction to Attenuated Total Internal Reflectance (ATR) - Technical Note


Attenuated Total Internal Reflectance (ATR) Spectroscopy is a versatile and powerful technique for infrared sampling. Minimal or no sample preparation is usually required for rapid analysis. ATR is ideal for those materials which are strong absorbers. In addition, ATR is a useful technique for providing information about the surface properties or conditions of a material.



  • Was this article helpful?