, 2020). These types of boosts in both equally peak absorption cross section and width with the 450 nm absorption band greater than linearly improve the toughness from the chromophore with focus. Other chromophores in natural corundum will not present these variations and so show a relentless power with focus. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share