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Physics of Light

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Reflection and Refraction Equations for Predicting Light's Direction

Reflection and refraction are two processes that change the direction light travels. Using the equations for calculating reflection and refraction, you can predict where rays encountering a surface will [more…]

Equations for Optical Imaging

Imaging is a key function of optics. Specific optics equations can help you determine the basic characteristics of an image and predict where it will form. Use the following optics equations for your imaging [more…]

Optical Polarization Equations

Optical polarization is the orientation of the planes of oscillation of the electric field vectors for many light waves. Optical polarization is often a major consideration in the construction of many [more…]

Optical Interference Equations

Optical interference is just the interaction of two or more light waves. Optical interference is useful in many applications, so you need to understand some basic equations related to this optical phenomenon [more…]

Optical Diffraction Equations

Diffraction is light's response to having something mess with its path, so diffraction occurs only when something blocks part of the wavefront. Diffraction is the phenomenon where light bends around an [more…]

Equations for the Characteristics of Fiber-Optic Fibers

Besides imaging, fiber-optic networks are probably the largest application of optics. Fiber optics are very long, thin glass fibers that transfer information-bearing light from one place to another, but [more…]


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