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Hileman Z, He J, Homa D, et al. Acoustic modal analysis of unique fused-silica fibers for passive non-destructive structural monitoring. J Acoust Soc Am. 2019;145(1):EL97doi: 10.1121/1.5087294.
Hileman, Z., He, J., Homa, D., Wang, A., & Pickrell, G. (2019). Acoustic modal analysis of unique fused-silica fibers for passive non-destructive structural monitoring. The Journal of the Acoustical Society of America, 145(1), EL97. https://doi.org/10.1121/1.5087294
Hileman, Zachary, et al. "Acoustic modal analysis of unique fused-silica fibers for passive non-destructive structural monitoring." The Journal of the Acoustical Society of America vol. 145,1 (2019): EL97. doi: https://doi.org/10.1121/1.5087294
Hileman Z, He J, Homa D, Wang A, Pickrell G. Acoustic modal analysis of unique fused-silica fibers for passive non-destructive structural monitoring. J Acoust Soc Am. 2019 Jan;145(1):EL97. doi: 10.1121/1.5087294. PMID: 30710961.
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J Acoust Soc Am. 2019 Jan;145(1):EL97. doi: 10.1121/1.5087294.

Acoustic modal analysis of unique fused-silica fibers for passive non-destructive structural monitoring.

The Journal of the Acoustical Society of America

Zachary Hileman, Jiaji He, Daniel Homa, Anbo Wang, Gary Pickrell

Affiliations

  1. Center for Photonics Technology, Virginia Tech, 460 Turner Street, Suite 303, Blacksburg, Virginia 24061-0287, [email protected], [email protected], [email protected], [email protected], [email protected].

PMID: 30710961 DOI: 10.1121/1.5087294

Abstract

The goal of non-destructive acoustic sensing is to passively monitor innate structural parameters such as temperature, strain, and pressure. Intended for use in harsh structural environments, a distributed acoustic sensing system has been created using a single mode, radiation hardened, fused-silica core rod and a high-resolution acoustic sensor. This study aims to enhance the capabilities of the acoustic sensor by manipulating the fused-silica core rod, geometrically, to induce and control additional acoustic reflections. Here, two geometries are demonstrated to markedly improve upon previous fiber designs and result in a consistent acoustic profile.

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