期刊
OPTICS EXPRESS
卷 18, 期 11, 页码 11754-11762出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.011754
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资金
- National Science Foundation [CMMI-0609265]
- IGERT [DGE-0221632]
- National Institute of Health [1R21EB009862]
We demonstrate a diffractive maskless lithographic system that is capable of rapidly performing both serial and single-shot micropatterning. Utilizing the diffractive properties of phase holograms displayed on a spatial light modulator, arbitrary intensity distributions were produced to form two and three dimensional micropatterns/structures in a variety of substrates. A straightforward graphical user interface was implemented to allow users to load templates and change patterning modes within the span of a few minutes. A minimum resolution of similar to 700 nm is demonstrated for both patterning modes, which compares favorably to the 232 nm resolution limit predicted by the Rayleigh criterion. The presented method is rapid and adaptable, allowing for the parallel fabrication of microstructures in photoresist as well as the fabrication of protein microstructures that retain functional activity. (C) 2010 Optical Society of America
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