Infrared and Laser Engineering, Volume. 52, Issue 4, 20220522(2023)
Femtosecond laser processing and Raman detection applications of multi-plasmon resonance nanostructures
Figures & Tables(8)
Fig. 2. (a) Single-layer planar Au film model and FDTD simulation results; (b) Au-Ag bilayer planar film model and FDTD simulation results
Fig. 3. (a) Single-layer Au film plasma nanostructure model and FDTD simulation results; (b) Au-Ag bilayer film plasma nanostructure model and FDTD simulation results
Fig. 4. (a) SEM plot of plasma nanostructure obtained from single-layer Au film preparation; (b) AFM plot of plasma nanostructure obtained from single-layer Au film preparation; (c) Height profile of plasma nanostructure obtained from single-layer Au film; (d) SEM plot of plasma nanostructure obtained from Au-Ag bilayer film preparation; (e) AFM plot of plasma nanostructure obtained from Au-Ag bilayer film preparation; (f) Height profile of plasma nanostructure obtained from Au-Ag bilayer film preparation
Fig. 5. Raman signal patterns of planar Au film, single-layer Au film plasma nanostructure, and Au-Ag bilayer plasma nanostructure (R6G concentration is 10−4 M)
Fig. 6. Raman signal patterns of planar Au film, single-layer Au film plasma nanostructure, and Au-Ag bilayer plasma nanostructure (R6G concentration is 10−6 M)
Table 1. SEM images of nanostructures after femtosecond laser irradiation
View tableView in ArticleTable 1. SEM images of nanostructures after femtosecond laser irradiation
Structures Power/W 0.3 0.4 0.5 0.6 Formation of plasma nanostructures on monolayer Au films Formation of plasma nanostructures on Au-Ag bilayer films
Table 2. AFM images of nanostructures after femtosecond laser irradiation
View tableView in ArticleTable 2. AFM images of nanostructures after femtosecond laser irradiation
Structures Power/W 0.3 0.4 0.5 0.6 Formation of plasma nanostructures on monolayer Au films Formation of plasma nanostructures on Au-Ag bilayer films
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Yanshuo Feng, Misheng Liang, Xiaomeng Bian, Guanghui Ren, Honglu Bian, Lianqing Zhu. Femtosecond laser processing and Raman detection applications of multi-plasmon resonance nanostructures[J]. Infrared and Laser Engineering, 2023, 52(4): 20220522
Paper Information
Category: Lasers & Laser optics
Received: Jul. 27, 2022
Accepted: --
Published Online: Jul. 4, 2023
The Author Email: Zhu Lianqing (zhulianqing@sina.com)
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