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Geometrical Optics 101: Paraxial Ray Tracing Calculations

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Geometrical Optics 101: Paraxial Ray Tracing Calculations

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Ray tracing is the primary method used by optical engineers to determine optical system performance. Ray tracing is the act of manually tracing a ray of light through a system by calculating the angle of refraction/reflection at each surface. This method is extremely useful in systems with many surfaces, where Gaussian and Newtonian imaging equations are unsuitable given the degree of complexity.

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