2024
DOI: 10.1021/acsphotonics.3c01319
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Surface-Enhanced Infrared Absorption Sensor Incorporating Liquid Galinstan with Three-Dimensional Metagratings

Jiang Zhu,
Wei Wei,
Bo Chen
et al.

Abstract: Surface-enhanced infrared absorption (SEIRA) sensors offer a highly sensitive platform with enhanced intensity and low noise for various molecular sensing applications. However, the sensing area in traditional metallic SEIRA sensors is limited, and fabrication of such sensors heavily relies on electron-beam lithography or photolithography, which is time-consuming and requires the procedure of metal lift-off. Here, we present an experimental demonstration of a high-performance SEIRA sensor based on liquid galli… Show more

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Cited by 4 publications
(1 citation statement)
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“…Metalenses are widely recognized as essential optical components, showing remarkable potential across various fields such as generation of light beam with specific wavefront, [ 3 , 4 ] imaging [ 5 , 6 ] and sensing. [ 7 , 8 ] Ultrathin design and straightforward manufacturing process make metalenses highly desirable for integrated optics and compact optical systems. Furthermore, metalenses provide functionalities that conventional lenses struggle to achieve, expanding the capabilities of existing optical systems in practical applications.…”
Section: Introductionmentioning
confidence: 99%
“…Metalenses are widely recognized as essential optical components, showing remarkable potential across various fields such as generation of light beam with specific wavefront, [ 3 , 4 ] imaging [ 5 , 6 ] and sensing. [ 7 , 8 ] Ultrathin design and straightforward manufacturing process make metalenses highly desirable for integrated optics and compact optical systems. Furthermore, metalenses provide functionalities that conventional lenses struggle to achieve, expanding the capabilities of existing optical systems in practical applications.…”
Section: Introductionmentioning
confidence: 99%