Grating-coupled interferometry

Grating-coupled interferometry is a technique used in the field of optics and photonics to analyze the properties of light and its interactions with different materials. This method typically involves the use of a diffraction grating, which is an optical component with a periodic structure that disperses light into its component wavelengths. In grating-coupled interferometry, light is directed onto a grating, where it is diffracted into multiple orders of diffraction.