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Tailored nanocomposites for 3D printed micro-optics

  • 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.

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Document Type:Article
Author:Ksenia WeberORCiD, Daniel WerdehausenORCiD, Peter König, Simon ThieleORCiD, Michael Schmid, Manuel DeckerORCiD, Peter William de OliveiraORCiD, Alois HerkommerORCiD, Harald GiessenORCiD
Parent Title (English):Optical Materials Express
First Page:2345
Last Page:2355
Year of first Publication:2020
Release Date:2022/09/23
Tag:Diffractive optical elements; Effective refractive index; Femtosecond laser writing; Optical design; Optical materials
Impact:03.442 (2020)
Funding Information:European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie (Grant No. 675745).
Groups:Optische Materialien
DDC classes:500 Naturwissenschaften und Mathematik / 530 Physik
Open Access:Open Access
Signature:INM 2020/142
Licence (German):License LogoCreative Commons - CC BY-NC-ND - Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International