Design of Fresnel lens based on graphene oxide film

Optical Instruments, Volume. 46, Issue 1, 63(2024)

Zien YU1...2, Haoyi YU1 and Qiming ZHANG1,* |Show fewer author(s)

Author Affiliations

¹Institute of Photonic Chips, University of Shanghai for Science and Technology, Shanghai 200093, China

²School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

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Figures & Tables(8)

Fig. 1. Schematic diagram of Fresnel lens on graphene oxide film

$Electric field distribution on the focusing plane based on Rayleigh-Sommerfeld diffraction theory$

Fig. 2. Electric field distribution on the focusing plane based on Rayleigh-Sommerfeld diffraction theory

Fig. 3. Electric field distribution on the propagation plane and the focusing plane based on FDTD

$Comparison between electric field distribution based on FDTD and based on Rayleigh-Sommerfeld diffraction theory$

Fig. 4. Comparison between electric field distribution based on FDTD and based on Rayleigh-Sommerfeld diffraction theory

Fig. 5. Preparation of graphene oxide film by drop-casting method

Fig. 6. Processing effect and corresponding minimum linewidth achieved by different processing parameters

Fig. 7. Experimental processing results and characterization results

$ \lambda /\mathrm{n}\mathrm{m} $	$ {a}_{1}/{\text{μ}}\mathrm{m} $	$ {a}_{2}/{\text{μ}}\mathrm{m} $	$ {a}_{3}/{\text{μ}}\mathrm{m} $	$ {a}_{4}/{\text{μ}}\mathrm{m} $	$ {a}_{5}/{\text{μ}}\mathrm{m} $	$ {a}_{6}/{\text{μ}}\mathrm{m} $
532	12.7909	18.5604	22.9209	26.5753	29.7847	32.6804