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Bragg mirrors play an essential role in various optical and photonic devices. The fabrication of Bragg mirrors is mainly done by physical and chemical vapor deposition, which are costly and do not allow for lateral patterning. Here, we demonstrate a versatile and straightforward method to realize the fabrication of Bragg mirrors by fully inkjet printing using a commercial desktop printer. The reflectance peaks of the Bragg mirrors reach 99% with ten uniform bilayers. The central wavelength of the Bragg mirrors is tuned by adjusting printing parameters. With our method, laterally-patterned Bragg mirrors are successfully printed on large and flexible foils.
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Qiaoshuang Zhang, Qihao Jin, Adrian Mertens, Robert Huber, Jan Fessler, Gerardo Hernandez-Sosa, Uli Lemmer, "Fabrication of patterned, flexible and large-scale Bragg mirrors by inkjet printing (Conference Presentation)," Proc. SPIE PC12202, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XIX, PC1220203 (4 October 2022); https://doi.org/10.1117/12.2633359