Fused microknot optical resonators in folded photonic tapers for in-liquid durable sensing

Alexandra Logvinova; Shir Shahal; Moti Fridman; Yoav Linzon

doi:10.3390/s18051352

Fused microknot optical resonators in folded photonic tapers for in-liquid durable sensing

Alexandra Logvinova, Shir Shahal, Moti Fridman, Yoav Linzon

Bar-Ilan University - The Alexander Kofkin Faculty of Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Optical microknot fibers (OMFs) serve as localized devices, where photonic resonances (PRs) enable self-interfering elements sensitive to their environment. However, typical fragility and drifting of the knot severely limit the performance and durability of microknots as sensors in aqueous settings. Herein we present the fabrication, electrical fusing, preparation, and persistent detection of volatile liquids in multiple wetting–dewetting cycles of volatile compounds and quantify the persistent phase shifts with a simple model relating to the ambient liquid, enabling durable in-liquid sensing employing OMF PRs.

Original language	English
Article number	1352
Journal	Sensors
Volume	18
Issue number	5
DOIs	https://doi.org/10.3390/s18051352
State	Published - 26 Apr 2018

Bibliographical note

Publisher Copyright:
© 2018 by the authors. Licensee MDPI, Basel, Switzerland.

Funding

Acknowledgments: This work was supported by Israel Ministry of Science and Technology innovation in emerging applied and engineering research grant (MOST-16-010177808) Conflicts of Interest: The authors declare no conflict of interest. The funding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.

Funders	Funder number
Ministry of science and technology, Israel	MOST-16-010177808

Keywords

Liquids sensors
Optical resonators
Optical sensing

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10.3390/s18051352

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abstract = "Optical microknot fibers (OMFs) serve as localized devices, where photonic resonances (PRs) enable self-interfering elements sensitive to their environment. However, typical fragility and drifting of the knot severely limit the performance and durability of microknots as sensors in aqueous settings. Herein we present the fabrication, electrical fusing, preparation, and persistent detection of volatile liquids in multiple wetting–dewetting cycles of volatile compounds and quantify the persistent phase shifts with a simple model relating to the ambient liquid, enabling durable in-liquid sensing employing OMF PRs.",

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Fused microknot optical resonators in folded photonic tapers for in-liquid durable sensing

Abstract

Bibliographical note

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Keywords

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