Heiney, Paul A.2023-05-232017-03-062016-08-152017-03-06https://repository.upenn.edu/handle/20.500.14332/49696Reflection from thin films on a substrate result in oscillations called Kiessig fringes. Calculation of reflectivity from multiple or graded interfaces. Examples of reflectivity profiles from thin films on silicon or water. Time 5:10youtubehttp://creativecommons.org/licenses/by-nc/4.0/ReflectionFresnelKiessigLangmuirPhysicsArticle