Design of Freeform Illumination Optics,Laser & Photonics Reviews

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Design of Freeform Illumination Optics
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2018-05-02 , DOI: 10.1002/lpor.201700310
Rengmao Wu _{1,

2} , Zexin Feng ₃ , Zhenrong Zheng _{1,

2} , Rongguang Liang ₄ , Pablo Benítez ₅ , Juan C. Miñano ₅ , Fabian Duerr ₆

Affiliation

Freeform optics constitutes a new technology that is currently driving substantial changes in illumination design. It liberates designers and engineers from restrictions of optical surface geometry, enabling them to achieve compact, lightweight, and efficient illumination systems with excellent optical performance. Freeform optics is currently used widely for both fundamental research and practical applications. This Review focuses on the design of freeform illumination optics, which is a key factor in advancing the development of illumination engineering. The design methods of freeform illumination optics can be divided into two groups: zero‐étendue algorithms based on ideal source assumption and design algorithms for extended light sources. The zero‐étendue algorithms include ray mapping method, Monge–Ampère equation method, and supporting quadric method. The algorithms for extended sources include illumination optimization, feedback design, and simultaneous multiple surfaces method. The characteristics and limitations of these design methods are illustrated and a summary of these methods with future outlooks is also given.

中文翻译：

自由形式照明光学的设计

Freeform光学器件构成了一项新技术，目前正在推动照明设计的重大变化。它使设计人员和工程师摆脱了光学表面几何形状的限制，使他们能够获得紧凑，轻便和高效的照明系统，并具有出色的光学性能。Freeform光学器件目前广泛用于基础研究和实际应用。这篇评论集中在自由形式照明光学器件的设计上，这是推动照明工程学发展的关键因素。自由形式照明光学器件的设计方法可分为两类：基于理想光源假设的零延展度算法和扩展光源的设计算法。零延展度算法包括射线映射法，蒙格安培方程法，并支持二次法。扩展光源的算法包括照明优化，反馈设计和同时多表面方法。说明了这些设计方法的特点和局限性，并对这些方法进行了总结，并展望了未来。

更新日期：2018-05-02

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