A novel discovery of optical science, Infrared can be defined as an electromagnetic radiation that possess wavelengths that are longer then visible light. These light waves extends from the nominal red edge of the visible spectrum and includes all thermal radiation emitted by any object at room temperature. The discovery of Infrared can be credited to German born British composer, technical expert, and astronomer William Herschel in the early 19th century. Today, infrared is used in a various technologies and applications that serve the purpose of a plethora of industrial, scientific, and medical usage. There are a number of Infrared Analytical Instruments available in the marketplace that are serving various purposes.