Micro-scale Truss Structures formed from Self-Propagating Photopolymer Waveguides


  • One of the authors (A.J.J.) would like to thank the National Physical Science Consortium (NPSC) for fellowship support. Also, the authors thank Chaoyin Zhou, Oleg Efimov, Adam Gross, Robert Cumberland, and David Kisailus for their helpful discussions and Bob Doty for his SEM work.


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Ordered polymer microstructures with three-dimensional open-cellular truss architectures have been fabricated from an interconnected array of self-propagating polymer waveguides. The process enables extensive variability in the microstructure leading to thick cellular materials with controlled and predictable mechanical properties.