Improvements on the ray tracing procedure for high-order aspheric surfaces

YongZhong Wang; Xiao Wang

doi:10.1117/1.601450

1 August 1997 Improvements on the ray tracing procedure for high-order aspheric surfaces

YongZhong Wang, Xiao Wang

Optical Engineering, Vol. 36, Issue 8, (August 1997). https://doi.org/10.1117/1.601450

Some defects of common ray-tracing procedures for highorder aspheric surface are noted and a new reference sphere applied to ray tracing is presented. Its curvature is variable, which is different from the common osculating sphere introduced in the current literature. Concerning the iteration approach precision, a basic numeric criterion with a floating quantity attached and the corresponding program control are discussed.

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YongZhong Wang and Xiao Wang "Improvements on the ray tracing procedure for high-order aspheric surfaces," Optical Engineering 36(8), (1 August 1997). https://doi.org/10.1117/1.601450

Published: 1 August 1997

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