Deep ultraviolet (UV) refers to electromagnetic radiation with wavelengths ranging from approximately 100 to 300 nanometers. This area of research involves the study and application of UV light in this specific wavelength range. Deep UV light has unique properties that make it useful in various applications such as sterilization, fluorescence detection, and materials processing. Researchers in the field of deep UV explore the interaction of this type of light with different materials, as well as develop new technologies and techniques to harness its potential benefits in various industries.