Sun Xiaodong, Zhang Siwen, Wu Feng, Yang Jianing. Surface Electromagnetic Field Enhancement of Sub-Wavelength Metallic Groove Array[J]. Chinese Journal of Lasers, 2017, 44(11): 1113001
- Chinese Journal of Lasers
- Vol. 44, Issue 11, 1113001 (2017)
Fig. 1. Sub-wavelength metallic groove array in metallic substrate and coordinate system
Fig. 2. Enhancement factor as a function of groove depth and array period at the rabbet of sub-wavelength groove array in gold substrate. (a) w=0.01λ; (b) w=0.1λ
Fig. 3. Average effect of Raman scattering enhancement factor as a function of Λ in sub-wavelength groove array in gold substrate
Fig. 4. EF(0,z) as a function of the vertical distance z for groove arrays in gold substrate with different groove widths
Fig. 5. Enhancement factor EF as a function of period Λ for different noble metal types
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