Fourier transform infrared spectroscopy (FTIR) [1] is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas. An FTIR spectrometer collects high-resolution …

Mar 21, 2025 · Fourier Transform Infrared (FTIR) Spectroscopy is a widely used analytical technique for identifying chemical compounds and examining molecular structures. It measures how a sample …

This booklet is an introduction to the concepts behind FTIR spectroscopy. It covers both the basic theory of FTIR and how it works as well as discussing some of the practical aspects of FTIR use.

We briefly explain the fundamentals of infrared (IR) spectroscopy and focus on the basic questions about FT-IR, ATR, transmission and reflection.

Nov 17, 2025 · This mini-tutorial reviews fundamental principles, key operational modes, and practical examples across environmental, biomedical, and industrial applications. Readers will review and …

The interferogram measured by the FTIR must be converted back to a spectrum. This transformation is accomplished by applying the Fourier transform to the interferogram.

What is FTIR spectroscopy? Fourier transform infrared (FTIR) spectroscopy is a technique used to analyze materials by measuring how they absorb infrared light. When infrared radiation interacts with …

Fourier Transform Infrared Spectroscopy, also known as FTIR Analysis or FTIR Spectroscopy, is an analytical technique used to identify organic, polymeric, and, in some cases, inorganic materials.

Dec 16, 2025 · FTIR is a widely used analytical technique for identifying organic and polymeric—and sometimes inorganic—materials by measuring their infrared absorption spectra. When a sample is …

Apr 12, 2024 · Fourier transform infrared spectroscopy is a hugely popular technique today. In this article, we consider what it is, how it works, how to interpret the data and its many applications.