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15 March 2023 Custom incorporation of DMD-based photolithography and photopatterning techniques in soft condensed matter research
Ignasi Vélez-Cerón, Pau Guillamat, Francesc Sagués, Jordi Ignés-Mullol
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Proceedings Volume 12435, Emerging Digital Micromirror Device Based Systems and Applications XV; 1243507 (2023) https://doi.org/10.1117/12.2646333
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Research with soft materials, that is, polymeric gels, colloidal suspensions, liquid crystals, and most biomaterials often involves the need for microfabrication of confinement channels, cells, and lab-on-a-chip devices. Photolithography techniques are often chosen, as they offer the combination of versatility, precision, and quick delivery demanded by researchers. Beyond fabrication, stimulus-responsive systems, such as photosensitivity biomaterials, are the object of broad study within a very interdisciplinary community. Here, we show that a standard laboratory microscope can be quickly and economically transformed into a powerful maskless photofabrication/ photoexcitation station using off-the-shelf DMD development modules and simple optomechanical components allowing real time observation of the fabrication process.
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Ignasi Vélez-Cerón, Pau Guillamat, Francesc Sagués, and Jordi Ignés-Mullol "Custom incorporation of DMD-based photolithography and photopatterning techniques in soft condensed matter research", Proc. SPIE 12435, Emerging Digital Micromirror Device Based Systems and Applications XV, 1243507 (15 March 2023); https://doi.org/10.1117/12.2646333
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KEYWORDS
Digital micromirror devices
Microscopes
Optical lithography
Fluorescence
Liquid crystals
Microfabrication
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