 Frustrated Total Internal Reflection by Harvard Natural Sciences Lecture Demonstrations

Institutional demonstration page credited to Harvard Natural Sciences Lecture Demonstrations, issued and hosted by Harvard University. No personal author or publication or revision date is established. Referenced authors on the page are not its authors.

Official demonstration page: sciencedemonstrations.fas.harvard.edu/presentations/frustrated-total-internal-reflection

Cited passages: How it works: two 45–90-degree prisms, transition as air film narrows, evanescent coupling; How it works: helium-neon laser, two perpendicular screens, clamp and explicitly unmeasured air gap; Setting it up: clean contact faces, corner protection and screen visibility.