What Does ATR Stand For?

ATR stands for Attenuated Total Reflection

ATR, or Attenuated Total Reflection, is a powerful spectroscopic technique used to analyze surfaces and thin films. It is based on the principle of total internal reflection, where an incident light beam reflects off an interface between two media at a specific angle, resulting in an evanescent wave that penetrates a short distance into the sample. This method allows for the assessment of chemical composition, molecular structure, and surface interactions without the need for extensive sample preparation, making it invaluable in fields such as chemistry, materials science, and biochemistry.

Other Meanings for ATR