Guobin Sun, Jin Zhang, Shilei Jiang, Liu Yang. Simulation of Ag Nano Pit-Silicon Grating Composite Microstructures Used for with Near Infrared Absorption Enhancement[J]. Laser & Optoelectronics Progress, 2022, 59(5): 0524001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 5, 0524001 (2022)
Fig. 1. Schematic of Ag nano pit-silicon grating composite microstructure. (a) Ag nano-pit embedded in silicon grating gap; (b) Ag nano-pit embedded in silicon grating gap and grating column surface; (c) three-dimensional structure view of Ag nano-pit embedded in silicon grating gap
Fig. 2. Spectral characteristics of bare silicon materials in near infrared band
Fig. 3. Spectral characteristics of silicon grating structure when cycle and height change simultaneously. (a) Absorption; (b) reflection; (c) transmission
Fig. 4. Spectral characteristics of silicon grating structure when duty cycle changes
Fig. 5. Changes of near-infrared absorptivity of silicon grating embedded in Ag nano-pit
Fig. 6. SPP wavelength excited by different interfaces of silicon grating composite structure
Fig. 7. x-z cross-sectional view of adding Al2O3 dielectric layer
Fig. 8. Effect of dielectric environment on near-infrared absorptivity of Ag nano pit-silicon grating composite structure
Fig. 9. Intensity distribution on different structure surfaces. (a) Silicon grating gap; (b) Ag nano-pit embedded in silicon grating gap; (c) Ag nano-pit embedded in silicon grating gap and column surface
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