6 October 1999 Application of variational calculus to nonimaging optics: design for small sources in three dimensions
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Abstract
In this work the variational calculus will be applied to the design with axisymmetric sequential optical surfaces for small sources directly in 3D. This method is proven to be useful even in the case in which the skewness distributions of output bundle and emitter do not fit. The tool provides both the optimum 3D ray bundles at the exit aperture of a rotational collimator and the best 2D assignation of rays allowing the collimation reach its limit. Once this best assignation has been obtained, the optical profiles can be designed easily using only the central ray of the bundles. Afterwards, the actual device is obtained by rotation. As a consequence of the kind of method aforementioned, the angular performance of the collimators can be nearly error- free predicted before ray tracing.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ruben Mohedano Arroyo, Ruben Mohedano Arroyo, Pablo Benitez, Pablo Benitez, Juan Carlos Minano, Juan Carlos Minano, "Application of variational calculus to nonimaging optics: design for small sources in three dimensions", Proc. SPIE 3781, Nonimaging Optics: Maximum Efficiency Light Transfer V, (6 October 1999); doi: 10.1117/12.368259; https://doi.org/10.1117/12.368259
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