Nested aplanatic optics

Alex Goldstein; Daniel Feuermann; Gary D. Conley; Jeffrey M. Gordon

doi:10.1117/12.891906

21 September 2011 Nested aplanatic optics

Alex Goldstein, Daniel Feuermann, Gary D. Conley, Jeffrey M. Gordon

Proceedings Volume 8124, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VIII; 81240L (2011) https://doi.org/10.1117/12.891906
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

Dual-mirror aplanatic optics - recently developed for concentrator photovoltaics - can offer efficient, ultra-compact, high-irradiance solar concentration. However, intrinsic limitations site the focus inside the concentrator and hence engender a dielectric terminal concentrator to deliver the concentrated radiation to the photovoltaic cell outside the optic, with the associated requirement of an optical bond to the cell. Can a modification in the design strategy place the focus outside the optic - and hence obviate the need for a terminal concentrator and optical bond - without compromising compactness, low shading losses, or even the practical virtue of the primary and secondary mirrors being coplanar toward easing optical component alignment? We show how nested dual-mirror aplanats can satisfy all these goals, supported by raytrace performance evaluations.

Citation Download Citation

Alex Goldstein, Daniel Feuermann, Gary D. Conley, and Jeffrey M. Gordon "Nested aplanatic optics", Proc. SPIE 8124, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VIII, 81240L (21 September 2011); https://doi.org/10.1117/12.891906

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