, 2020). This kind of will increase in both peak absorption cross segment and width on the 450 nm absorption band greater than linearly increase the strength in the chromophore with concentration. Other chromophores in natural corundum don't show these variations and therefore show a constant power with focus. This https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share