Detection

An infrared spectrophotometer is a light emitted by a light source that is divided into two equally symmetrical beams of energy. One beam is the sample light passing through the sample, and the other beam is the reference light as the reference. These two beams of light enter the photometer through the sample chamber and are modulated by a sector mirror at a certain frequency, forming an alternating signal. Infrared spectrophotometers can be used for the identification of compounds, structural analysis of unknown compounds, quantitative analysis of compounds, and composition analysis of polymer materials. They are widely used in fields such as petroleum, chemical, pharmaceutical, environmental protection, and materials science.