Also known as optical thickness
natural logarithm of the ratio of incident to transmitted radiant power through a material; the absorbance × ln(10)
Article · 中文
光深度是透明度的測量,在定義上是輻射或光在傳輸路徑上被散射或吸收的比率。為了讓光深度更加形象化,可以想一想霧。在觀測者和物體之間的霧會立刻使得你前方的光深度為零。當物體遠離時,光深度將會增加,直到該物體遠至不能被看見為止。
Abstract from DBpedia / Wikipedia · CC BY-SA