Have you ever been curious about how researchers can detect fingerprints in just 30 seconds using UV light? This luminescent effect creates a greater contrast between the latent print and the surface, resulting in higher-resolution images that make analysis more precise. This process is known as RUVIS (Reflected Ultraviolet Imaging System).RUVIS is composed of the generation of UV light from an external source, which is then directed to the surface containing the latent prints. The UV light is diffusely reflected from fingerprint residues on the non-porous surface to an optical filter and passes through an objective lens to an image intensifier that converts it into visible light, thus producing the fingerprint image. Ardrox, basic yellow 40, and tenoyleuropium chelate are great options for standard black lights, as they react to shorter wavelength ultraviolet lights. The use of ultraviolet light, also called black light, with powders or fluorescent solutions helps highlight prints and allows them to be photographed.
Forensic technicians also use ultraviolet light technologies, such as ultraviolet monochromators or optical spectroscopy, to detect the presence of illegal or controlled substances or their residues in unidentified samples, or to determine how many types of ink or pens were used in a falsified document. UV light detection of fingerprints is a powerful tool for forensic investigators. It is a fast and reliable way to identify fingerprints on non-porous surfaces. The luminescent effect created by UV light makes it easier to detect fingerprints and helps investigators obtain higher-resolution images for more accurate analysis. In addition, UV light technologies can be used to detect illegal or controlled substances or their residues in unidentified samples. To sum up, UV light detection of fingerprints is a powerful tool for forensic investigators.
It is a quick and dependable way to identify fingerprints on non-porous surfaces. The luminescent effect created by UV light makes it easier to detect fingerprints and helps investigators get higher-resolution images for more precise analysis. Furthermore, UV light technologies can be used to detect illegal or controlled substances or their residues in unidentified samples.
