OPTI 201R 10 L13 - 13-1 5.5 Paraxial Ray Propagation ! The...

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OPTI 201R Fall 2010 13-1 5.5 Paraxial Ray Propagation ! The propagation of a paraxial ray in an optical space is described by a linear equation : (“optical space” is a single medium of a single value of refractive index) (a linear equation? ….no surprise….a ray is a straight line, after all!) - the straight-line path that a ray takes is described by a linear equation called the transfer equation - the angle through which it might be refracted is described by a linear equation called the refraction equation ! What is the relationship between a ray in one optical space, and the same ray in the next optical space? We need to know: - the index of refraction of the first optical space, n - the index of refraction of the second optical space, n ! - the curvature, C (or the radius of curvature, R) of the surface that separates these two optical spaces - the y-value of the ray at the paraxial vertex plane - the direction (angle) of the ray in the first optical space.
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OPTI 201R Fall 2010 13-2 5.5.1 Refraction Equation of Paraxial Optics Figure 5.9 Paraxial ray trace. Observations about this figure: - Because we are in the paraxial region, the curved spherical refracting surface is replaced with a plane, located at the surface vertex. -
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This note was uploaded on 08/23/2010 for the course OPTICS 201R taught by Professor Staff during the Spring '10 term at University of Arizona- Tucson.

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OPTI 201R 10 L13 - 13-1 5.5 Paraxial Ray Propagation ! The...

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