Origami-Inspired Frequency Selective Surface with Fixed Frequency Response under Folding
Abstract
Filtering of electromagnetic signals is key for improved signal to noise ratios for a broad class of devices. However, maintaining filter performance in systems undergoing large changes in shape can be challenging, due to the interdependency between element geometry, orientation and lattice spacing. To address this challenge, an origami-based, reconfigurable spatial X-band filter with consistent frequency filtering is presented. Direct-write additive manufacturing is used to print metallic Archimedean spiral elements in a lattice on the substrate. Elements in the lattice couple to one another and this results in a frequency selective surface acting as a stop-band filter at a target frequency. The lattice is designed to maintain the filtered frequency through multiple fold angles. The combined design, modeling, fabrication, and experimental characterization results of this study provide a set of guidelines for future design of physically reconfigurable filters exhibiting sustained performance.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Nov 05, 2019
- Source ID
- 10.3390/s19214808
Entities
People
- Alexander Cook
- Andrew Gillman
- Deanna Sessions
- Gregory H Huff
- Kazuko Fuchi
- Philip R. Buskohl
Organizations
- Air Force Office of Scientific Research