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ERI: Tailoring of superchiral near-fields in topology-optimized metasurfaces for enhanced chiral sensing

US NSF grant open #nsf-2501853

Summary

Non-technical Description: "Chirality" refers to objects that cannot be superimposed onto their mirror image. At the molecular scale, spatial asymmetry in mirror-image molecules, known as enantiomers, gives rise to distinct biological, chemical and pharmacological properties. In a chiral mixture, enantiomers are typically identified based on chiral optical effects; however, the differential signals between enantiomers of opposite handedness are inherently weak. While nanophotonic platforms, such as metasurfaces, can enhance light–matter interactions, it remains a challenge to achieve strong

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