Multi-Band Mid-IR Molecules Identification Using Plasmonic Metamaterials Induced by Bright-Dark Coupling
Abstract
This paper reports a multi-band surface-enhanced molecular detection technique induced by bright-dark coupling in the mid-IR fingerprint region. Our device enables the excitation of four plasmonic resonances ($3\mu\mathrm{m}, 5.6\mu \mathrm{m},\ 6.9\mu\mathrm{m}$, and$7.4\mu\mathrm{m}$) covering an ultra-wide spectral range, which paves the way to molecule recognition from the whole IR fingerprint region. The multi-band plasmonic sensor with ultra-wide continuous resonance spectra can be used for a wide range of infrared molecular sensing applications with enhanced detection resolution and sensitivity.
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In PNA-based SEIRAS, the great challenge is the limited bandwidth of nanoantenna resonances compared with the ultra-broadband vibrational absorption fingerprints.
“In PNA-based surface-enhanced IR absorption spectroscopy (SEIRAS), the great challenge is the limited bandwidth of nanoantenna resonances compared with the ultra-broadband vibrational absorption fingerprints.”
From Wavelength-multiplexed hook nanoantennas for machine learning enabled mid-infrared spectroscopy (2022) · cites this paper as [56]
Previous works show many solutions using multiple resonances of nanoantenna structures to capture plasmonic enhanced molecular fingerprints in separate wavelength ranges for sensing different molecule species.
“Previous works show many solutions using multiple resonances of nanoantenna structures to capture the plasmonic enhanced molecular fingerprints in separate wavelength ranges for sensing different molecule species22,39,41,50,54–56.”
From Wavelength-multiplexed hook nanoantennas for machine learning enabled mid-infrared spectroscopy (2022) · cites this paper as [56]
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- Authors
- Ren, Z., Dang, Z., & Lee, C.
- Affiliations
- National University of Singapore (SG)
- Venue
- 2020 IEEE 33rd International Conference on Micro Electro Mechanical Systems (MEMS)
- Publisher
- IEEE
- Published
- 2020-01
- Pages
- 725-728
- ISSN
- 1084-6999 (ISSN-L)
- OpenAlex
- W3016108245
- Cited by
- 7
- References
- 25
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 1 · 2022: 1 · 2021: 2
- FWCI
- 1.36
- Type
- conference paper
- Language
- en
- Open access
- closed
- Licence
- Locations
- IEEE International Conference on Micro Electro Mechanical Systems (MEMS) (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
- Keywords
- plasmonic metamaterials, surface-enhanced infrared absorption, plasmonic sensors
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