2014
Barton, Jay H; Garcia, Cesar R; Berry, EA; May, RG; Gray, DT; Rumpf, RC
All-dielectric frequency selective surface for high power microwaves Journal Article
In: IEEE Transactions on Antennas and Propagation, vol. 62, no. 7, pp. 3652-3656, 2014, ISSN: 0018-926X.
Abstract | Links | BibTeX | Tags: guided mode, resonance
@article{RN80,
title = {All-dielectric frequency selective surface for high power microwaves},
author = {Jay H Barton and Cesar R Garcia and EA Berry and RG May and DT Gray and RC Rumpf},
url = {https://ieeexplore.ieee.org/document/6807717},
doi = {10.1109/TAP.2014.2320525},
issn = {0018-926X},
year = {2014},
date = {2014-04-29},
urldate = {2014-04-29},
journal = {IEEE Transactions on Antennas and Propagation},
volume = {62},
number = {7},
pages = {3652-3656},
abstract = {In this work, an all-dielectric frequency selective surface was developed for high power microwaves. By avoiding the use of metals, arcing at field concentration points and heating in the conductors was avoided. To do this in a compact form factor while still producing a strong frequency response, we based our design on guided-mode resonance (GMR). To make this approach viable for radio and microwave frequencies, we overcame three major challenges. First, conventional GMR devices have less than 1% fractional bandwidth and we extended this to 16%. Second, conventional GMR devices have a field-of-view less than 1 °  and we extended this to over 40 °  . Third, conventional GMR devices must be composed of hundreds of periods to operate, but our device operated very well with only eight. In this paper, we present our design and experimental results at 1.7 GW/m 2  .},
keywords = {guided mode, resonance},
pubstate = {published},
tppubtype = {article}
}
In this work, an all-dielectric frequency selective surface was developed for high power microwaves. By avoiding the use of metals, arcing at field concentration points and heating in the conductors was avoided. To do this in a compact form factor while still producing a strong frequency response, we based our design on guided-mode resonance (GMR). To make this approach viable for radio and microwave frequencies, we overcame three major challenges. First, conventional GMR devices have less than 1% fractional bandwidth and we extended this to 16%. Second, conventional GMR devices have a field-of-view less than 1 °  and we extended this to over 40 °  . Third, conventional GMR devices must be composed of hundreds of periods to operate, but our device operated very well with only eight. In this paper, we present our design and experimental results at 1.7 GW/m 2  .