High Directivity Optical Antenna Substrates for Surface Enhanced Raman Scattering | Zendy

Wang Dongxing | Zendy; Zhu Wenqi | Zendy; Chu Yizhuo | Zendy; Crozier Kenneth B. | Zendy

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High Directivity Optical Antenna Substrates for Surface Enhanced Raman Scattering

Author(s) -

Wang Dongxing,

Zhu Wenqi,

Chu Yizhuo,

Crozier Kenneth B.

Publication year - 2012

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201201625

Subject(s) - materials science , directivity , raman scattering , strips , antenna (radio) , scattering , optics , optoelectronics , raman spectroscopy , surface (topology) , nanotechnology , computer science , telecommunications , physics , composite material , geometry , mathematics

A two‐dimensional array of gold optical antennas integrated with a one‐dimensional array of gold strips and mirrors is introduced and fabricated. The experimental results show that this design achieves average surface‐enhanced Raman scattering (SERS) enhancement factors as high as 1.2 × 10 10 , which is more than two orders of magnitude larger than optical antennas without the gold strips and gold mirror.

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