Download a PDF primer with more details and examples UV-Vis spectroscopy is an analytical technique able to monitor and measure the UV and visible light interactions with a plethora of molecules in the specific ranges of and ranges including Ultraviolet and visible (UV-Vis), near-infrared (NIR), mid infrared (MIR), far infrared (FIR), Raman, Microwaves, radio waves, and nuclear magneticresonance. Learn how to measure the electromagnetic spectrum of matter using UV and visible light, how to selec