Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

Schematic representation of infrared spectroscopy. First, a beam of IR light from the source is split into two ... These combinations provide complementary information, enhancing the specificity and ...

as well as an extensive review of mid-IR systems. Fibre laser systems for spectroscopy are also examined in detail, especially the emerging technique of frequency comb spectroscopy. Featuring many ...