This is a guided activity for students to study the design of an anti-reflection coating. The student is first asked to do a simple calculation by hand, to determine the proper thickness for an anti-reflection coating in a standard situation. The student then uses the nanoHUB tool "PhotonicsRT: Wave Propagation in Multilayer Structures" to simulate this film in a variety of different circumstances, and determine how robust the design is against changing the angle of incidence or adding additional layers to modify surface properties.
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