Curved Interface Refraction Ray Transfer Matrix 

/ edmundsj
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I derive the ray transfer matrix for refraction at a curved interface between two media of different refractive index.
This is part of my series on semiconductor physics (often called Electronics 1 at university). This is based on the book Semiconductor Physics and Devices by Donald Neamen, as well as the EECS 170A/174 courses taught at UC Irvine.
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