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首页> 外文会议>Conference on nonimaging optics: efficient design for illumination and solar concentration XIV >Optimization design of nonimaging Fresnel lens using total internal reflection prisms for sunlight concentration
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Optimization design of nonimaging Fresnel lens using total internal reflection prisms for sunlight concentration

机译：阳光浓度总内部反射棱镜的非设计菲涅耳镜头优化设计

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摘要

The efficiency in Fresnel lenses is affected by three principal sources: energy loss by absorption, chromatic dispersion and reflectance losses at refracting surfaces. On this subject, the design of nonimaging Fresnel lenses integrated by refractive and total internal reflection prisms is presented. This design method uses iterative calculations for design every prism and it selects the best option for avoid reflectance losses. A design and characterization of a Fresnel lens that takes chromatic aberration into account is shown, including a comparison with a nonimaging Fresnel lens composed only by refraction prisms is performed and with other integrated by only total internal reflection prisms. In addition, the study about how acceptance angle and the number of prisms affects the final transmittance of the lens is included.
机译：菲涅耳透镜的效率受三个主要来源的影响：通过吸收的能量损失，折射表面的倒置和反射率损失。在这一主题上，呈现了通过屈光和全内反射棱镜集成的非设计菲涅耳透镜的设计。这种设计方法使用迭代计算来设计每个棱镜，并选择避免反射损耗的最佳选择。示出了将色差考虑到帐户的菲涅耳透镜的设计和表征，包括与仅通过折射棱镜组成的非剖视菲涅耳透镜的比较，并且仅通过仅全内反射棱镜进行其他集成。此外，还包括关于接受角度和棱镜数量影响镜片的最终透射率的研究。

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