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Proceedings Paper

Ray tracing in gradient-index materials
Author(s): Eckhard Langenbach
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Paper 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.

Paper Details

Date Published: 15 April 1993
PDF: 5 pages
Proc. SPIE 1780, Lens and Optical Systems Design, (15 April 1993); doi: 10.1117/12.142838
Show Author Affiliations
Eckhard Langenbach, Fisba Optik AG (Switzerland)


Published in SPIE Proceedings Vol. 1780:
Lens and Optical Systems Design

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