Journal
FRONTIERS IN PHYSICS
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphy.2022.850186
Keywords
spoof localized surface plasmons; sensor; hybridization; mixed-resolution; spoof surface plasmons
Categories
Funding
- National Key Research and Development Program of China [2017YFA0700201, 2017YFA0700202, 2017YFA0700203]
- National Natural Science Foundation of China [61735010]
- 111 Project [111-2-05]
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In this work, a high-Q-factor and high-sensitivity hybridized spoof localized surface plasmon (LSP) sensor and a mixed-resolution algorithm are proposed. The sensor consists of two concentric LSP structures with corrugated rings coupled to each other, achieving high Q-factor and sensing figure of merit (FoM). The mixed-resolution algorithm effectively enhances the Q-factor and sensing FoM.
Spoof localized surface plasmons (LSPs) have proven significant advantages in sensing and detection. In this work, we propose a high-Q-factor and high-sensitivity hybridized spoof LSP sensor and a mixed-resolution algorithm. The sensor consists of two concentric inner and outer LSP structures with corrugated rings coupled to each other. The achieved Q-factor is up to 178, and the sensing figure of merit (FoM) is up to 30. Moreover, a mixed-resolution algorithm, combined with multiple resonant peaks, is proposed to enhance the Q-factor and sensing FoM. This algorithm doubles the Q-factor and sensing FoM effectively. This mixed-resolution sensor has a wide range of application prospects in the field of high-frequency on-chip resonators and sensors.
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