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All-dielectric chiral-field-enhanced Raman optical activity
oleh: Ting-Hui Xiao, Zhenzhou Cheng, Zhenyi Luo, Akihiro Isozaki, Kotaro Hiramatsu, Tamitake Itoh, Masahiro Nomura, Satoshi Iwamoto, Keisuke Goda
Format: | Article |
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Diterbitkan: | Nature Portfolio 2021-05-01 |
Deskripsi
Raman optical activity (ROA) is useful for studying conformational structure and behavior of chiral molecules, but is limited by the weak signals. Here, the authors demonstrate 100x signal enhancement via an all-dielectric approach, using a silicon nanodisk array and exploiting its dark mode.