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First Test of a Photonic Band Gap Structure for HAYSTAC

  • Samantha M. Lewis
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 211)

Abstract

Haloscopic axion searches require the tuning of a TM mode in a microwave cavity. Traditional cavities contain many unwanted modes which can result in mode crossings, ultimately reducing the effective tuning range of a cavity and slowing scan rates. Photonic band gap (PBG) structures have the potential to create resonators without TE modes, allowing for uninterrupted tuning. A tunable PBG structure has been designed for HAYSTAC. A prototype has been built and tested to validate simulations. Results of the fixed frequency case will be shown as well as details of the expected tuning.

Keywords

Axion Dark matter Photonic band gap (PBG) cavities Haloscope High frequency Defects Symmetry breaking Form factor Tunable Reciprocal Brilliouin zone 

Notes

Acknowledgements

This work was supported under the auspices of the National Science Foundation, under grant PHY-1306729, and the Heising-Simons Foundation under grant 2014-182.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of California, BerkeleyBerkeleyUSA

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