Ray tracing in gradient-index materials

Eckhard Langenbach

doi:10.1117/12.142838

15 April 1993 Ray tracing in gradient-index materials

Eckhard Langenbach

Proceedings Volume 1780, Lens and Optical Systems Design; 178017 (1993) https://doi.org/10.1117/12.142838
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

Curved rays in gradient index materials are described by differential equations. Numerical methods for solving these equations are compared. Attention is paid to the error estimation for step size control. These algorithms are used to trace rays in materials with an arbitrary refractive index field. This allows the application to the optical design of high power laser optics, where the absorption induced refractive index field is calculated by thermal FEM calculations.

Citation Download Citation

Eckhard Langenbach "Ray tracing in gradient-index materials", Proc. SPIE 1780, Lens and Optical Systems Design, 178017 (15 April 1993); https://doi.org/10.1117/12.142838

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