, 2020). Such raises in the two peak absorption cross part and width of the 450 nm absorption band much more than linearly raise the toughness of your chromophore with concentration. Other chromophores in natural corundum tend not to display these improvements and therefore show a constant strength with focus. https://www.tumblr.com/thegemjournal/759696203354128384/understanding-the-unique-characteristics-of-yellow?source=share