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Surface‐Enhanced Raman Scattering
Placing a mirror metal underneath the near‐field‐generating optical hotspots with a controlled vertical gap distance, as well as engineered materials, could control the loss/gain of the overall surface‐enhanced Raman scattering (SERS) effect. Article number 2207003 by Inhee Choi, Yong‐Sang Ryu, and co‐workers offers the clue for understanding roles of outer‐medium...
The Fabry–Perot (FP) resonator is an intuitive and versatile optical structure owing to its uniqueness in light‐matter interactions, yielding resonance with a wide range of wavelengths as it couples with photonic materials encapsulated in a dielectric cavity. Leveraging the FP resonator for molecular detection, a simple geometry of the metal‐dielectric‐metal structure is demonstrated to allow tuning...
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