Raytrace assisted analytical formulation of Fresnel lens transmission efficiency

Arthur Davis

doi:10.1117/12.823742

24 August 2009 Raytrace assisted analytical formulation of Fresnel lens transmission efficiency

Arthur Davis

Proceedings Volume 7429, Novel Optical Systems Design and Optimization XII; 74290D (2009) https://doi.org/10.1117/12.823742
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

In consideration of the broad range of possible Fresnel lens applications, it is desirable to find a fast way of approximating optical performance that is not specific to a particular lens geometry. This is potentially useful for gaining deeper insight into a lens system and affording accelerated development times. Additionally, a Fresnel lens manufactured using a molded polymer process has limitations on how accurately it can replicate a microstructured prismatic pattern. This is especially true at the prismatic peaks of the part where it is more difficult to completely "fill-out" the moldbase. Inclusion of this effect in performance evaluation is important. Using transmission efficiency (or transmittance) as the metric, a Fresnel lens model which includes imperfect peak replication is sought. The system description will be parameterized so that the formulations are not specific to a particular geometry and can be generally applied. The parameter space will be explored with raytracing and the results compiled for convenient reference.

Citation Download Citation

Arthur Davis "Raytrace assisted analytical formulation of Fresnel lens transmission efficiency", Proc. SPIE 7429, Novel Optical Systems Design and Optimization XII, 74290D (24 August 2009); https://doi.org/10.1117/12.823742

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