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Tailored nanocomposites for 3D printed micro-optics
Optical Materials Express ( IF 2.8 ) Pub Date : 2020-09-02 , DOI: 10.1364/ome.399392
Ksenia Weber , Daniel Werdehausen , Peter König , Simon Thiele , Michael Schmid , Manuel Decker , Peter William De Oliveira , Alois Herkommer , Harald Giessen

Optical polymers cover only a rather narrow range of optical properties. This is a limiting factor for the design of polymer-based optical systems such as smartphone cameras. Moreover, it also poses a problem for femtosecond two-photon lithography, which is a state-of-the-art technology to 3D print high-quality optics from photopolymers. To overcome the limitations of conventional polymers, we introduce nano-inks based on the commonly used photopolymers IP-DIP and IP-S as polymer matrix and zirconium dioxide (ZrO2) nanoparticles. We show that the refractive index and dispersion of these nano-inks can be purposefully tailored by varying the constituent materials and the volume fraction of the nanoparticles. Furthermore, we demonstrate the suitability of our nano-inks for optical applications by 3D printing single micro-lenses and a multi-material achromatic Fraunhofer doublet. Our findings confirm that nanocomposites expand the range of optical properties that are accessible for polymer-based systems and allow for the design of tailored optical materials.

中文翻译:

用于 3D 打印微光学的定制纳米复合材料

光学聚合物仅涵盖相当窄的光学特性范围。这是基于聚合物的光学系统(如智能手机相机)设计的一个限制因素。此外,它还给飞秒双光子光刻带来了问题,这是一种从光聚合物 3D 打印高质量光学器件的最先进技术。为了克服传统聚合物的局限性,我们引入了基于常用光敏聚合物 IP-DIP 和 IP-S 作为聚合物基质和二氧化锆 (ZrO2) 纳米颗粒的纳米油墨。我们表明,这些纳米墨水的折射率和色散可以通过改变纳米粒子的组成材料和体积分数来有目的地定制。此外,我们通过 3D 打印单个微透镜和多材料消色差弗劳恩霍夫双合透镜来证明我们的纳米墨水适用于光学应用。我们的研究结果证实,纳米复合材料扩展了基于聚合物的系统的光学特性范围,并允许设计定制的光学材料。
更新日期:2020-09-02
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