Visible light—light that the human eye can see—is made up of the wavelengths of all the colors. You may have heard of these wavelengths shortened to ROYGBIV, which stands for red, orange, yellow, ...

(1) Different types of electromagnetic radiation such as radio waves, microwaves, visible light, and x-rays are associated with specific wavelengths. A spectrophotometer is an instrument that performs ...

“Red light therapy is an energy-based modality that uses specific wavelengths of red and near-infrared light (typically ...