@inproceedings{d3959d8b360d47c1adb8b7b9b8e029f1,
title = "Digital printing of hydrogel based diffractive optical elements",
abstract = "Soft biomaterials have been proposed as outstanding candidates for soft micro-optics and photonics applications due to their optical transparency and unique biocompatibility. However, there is still lacking a facile strategy that can rapidly and biofriendly prototype biomaterials into micro-optics. Here, we present a novel method, digital micromirror device (DMD) based rapid photopatterning that can fabricate microfeatures on hydrogel within seconds. Several diffractive optics including transmission 1D/2D gratings, beam splitter, Fresnel Zone Plate lenses and computer-generated holograms were produced. The optical performance of these optical devices was characterized and indicates that this method enables prototyping user-defined micro-optics with high fidelity. This versatile photopatterning technique can therefore be a potential route to develop precise soft optical microfeatures using any photosensitive biomaterials.",
keywords = "Diffraction, Hydrogel, Micro-optics, Projection photolithography",
author = "Zheng Xiong and Pranav Soman",
note = "Publisher Copyright: {\textcopyright} 2021 SPIE.; Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIV 2021 ; Conference date: 06-03-2021 Through 11-03-2021",
year = "2021",
doi = "10.1117/12.2576893",
language = "English (US)",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "{von Freymann}, Georg and Eva Blasco and Debashis Chanda",
booktitle = "Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIV",
}