Barium magnesium fluoride is an inorganic compound with a variety of excellent properties. It has an extremely short UV cutoff wavelength of 125 nm and a wide transmission range from 126 nm in the deep ultraviolet to 13 μm in the mid-infrared. It also possesses the capability of quasi-phase matching over the entire band, making it an ideal candidate material for deep ultraviolet all-solid-state lasers. Applications: Mainly used as solid-state laser material and luminescent host for rare-earth ions. It has broad application prospects in space science, lasers, infrared detection, special instrument manufacturing, special industries and other fields.