Acta Optica Sinica, Volume. 39, Issue 6, 0630003(2019)
Surface-Enhanced Raman Scattering Performances of GO/AuNRs Composite Substrates Excited by Radially Polarized Light
Fig. 1. Simulation structure of GO/AuNRs composite substrate
Fig. 2. Polarization orientation of light source and the square of electric-field intensity |E|2 distribution of composite substrate in XZ plane. (a) Polarization orientation of linearly polarized light; (b) polarization direction of radially polarized light; (c) the square of electric-field intensity |E|2 distribution of GO/single-AuNR composite substrate excited by linearly polarized light; (d) logarithmic plots of the square of electric-field intensity |E|2 distribution of GO/single-AuNR composite su
Fig. 3. Variation in |E|2 with aspect ratio of AuNR in XZ plane
Fig. 4. |E|2 distributions of composite substrate with different thicknesses of GO in XZ plane. (a) 0 nm; (b) 1 nm; (c) 2 nm; (d) 3 nm; (e) 4 nm; (f) 5 nm; (g) variation in |E|2 with thickness of GO
Fig. 5. Logarithmic plots of |E|2 of different composite substrates in XZ plane. (a) GO/dual-AuNRs composite substrate; (b) GO/three-AuNRs composite substrate; (c) GO/four-AuNRs composite substrate
Fig. 6. Variation in |E|2 with distance between Au nanorods in XZ plane
Fig. 7. Arrangements of AuNRs and |E|2 distribution in XZ plane. (a) Equilateral triangular arrangement of three-AuNRs and square arrangement of four-AuNRs; (b) |E|2 distribution of triangular arrangement of AuNRs; (c) |E|2 distribution of square arrangement of AuNRs
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Dong Yang, Zhongquan Nie, Aiping Zhai, Yanting Tian, Baohua Jia. Surface-Enhanced Raman Scattering Performances of GO/AuNRs Composite Substrates Excited by Radially Polarized Light[J]. Acta Optica Sinica, 2019, 39(6): 0630003
Category: Spectroscopy
Received: Jan. 3, 2019
Accepted: Mar. 21, 2019
Published Online: Jun. 17, 2019
The Author Email: Nie Zhongquan (niezhongquan@tyut.edu.cn), Jia Baohua (bjia@swin.edu.au)