Abstract
A skew ray trace through a toric surface is presented, starting from the data of a ray incident on the optical axis in a plane forming an arbitrary angle with the meridional. With these data and the constructional parameters the refracted ray data are found in a series of equations. This trace can be readily generalized to accommodate the case of a ray incident on any point of the toric surface from any direction.
© 1954 Optical Society of America
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