A volumetric three-dimensional digital light photoactivatable dye display

被引：0
作者：
Shreya K. Patel
Jian Cao
Alexander R. Lippert
机构：
[1] Southern Methodist University,Department of Chemistry
[2] Center for Drug Discovery,undefined
[3] Design,undefined
[4] and Delivery (CD4),undefined
[5] Southern Methodist University,undefined
[6] Center for Global Health Impact (CGHI),undefined
[7] Southern Methodist University,undefined
来源：
Nature Communications | / 8卷
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摘要：
Volumetric three-dimensional displays offer spatially accurate representations of images with a 360° view, but have been difficult to implement due to complex fabrication requirements. Herein, a chemically enabled volumetric 3D digital light photoactivatable dye display (3D Light PAD) is reported. The operating principle relies on photoactivatable dyes that become reversibly fluorescent upon illumination with ultraviolet light. Proper tuning of kinetics and emission wavelengths enables the generation of a spatial pattern of fluorescent emission at the intersection of two structured light beams. A first-generation 3D Light PAD was fabricated using the photoactivatable dye N-phenyl spirolactam rhodamine B, a commercial picoprojector, an ultraviolet projector and a custom quartz imaging chamber. The system displays a minimum voxel size of 0.68 mm3, 200 μm resolution and good stability over repeated ‘on-off’ cycles. A range of high-resolution 3D images and animations can be projected, setting the foundation for widely accessible volumetric 3D displays.
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