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Table of Contents

 

?? ???? ??? ?????? ??? ??????.

 

?? ??? ???? ??? ????? ?? ??? ???? ??? ?? ???? ?? ??? ??? ? ????. ??? ??? ???? ??? ???? ??? ?? ????. ????? ????? Meta-Atom??? ?? ??? ?? ?? ?? ?? ?? ?????. Meta-Atom? ?? ??? ????? ??? ??? ??? ??? ????? ??? ?? ???? ??? ??? ?? ????? ?????. Synopsys? ? ?? ?? ???? ???? ????? ??? ? ? ?? ???? ?????.

? ?????? CODE V? ?? ?? ?? ?? ?? ?? ?? ??? ?? MetaOptic Designer? ???? ??? ????? ??? ??? ???? ?????? ???? ?? ??? ???? ??? ?????. 

Calculate Meta-Atom Optical Properties

Meta-Atom ?? ?? ??

????? ?? ??? ???? ??? ???? ?? ?????. ??? ?? ??? Meta-Atom???? ???. Meta-Atom? ?? ???? ?? ??? ??? ???? ?? ?? ??? ?? ?? ???? ???? ????. Meta-Atom? ?? ??? Phase? ??? ?????. ??? ?? ??? ??? Meta-Atom? ??, ??, ??? ?? ?? ??? ?? ?????. ?? ??? ???? Meta-Atom ?? ????? ???? ???? ?? ??? ??? ? ????. 

Figure 1. Illustration of a metalens and various meta-atoms | Synopsys

?? 1. ????? ??? Meta-Atoms

???? ??? ??? Meta-Atom ?? ??? ??? ?? ?? ?? (BSDF) ??????? ??? ? ????. Synopsys? RSoft DiffractMOD RCWA ?? FullWAVE FDTD? ?? Meta-Atom ?????? ??? ?? ??? ?????. ? ??????? CODE V? ?? ?? ?? ??? ?? ?? ??? ?? MetaOptic Designer?? ?? ??? ? ????.  

?? ????? SiO2 ?? ?? ????? ??? ?? ??? Meta-Atom?? ?????. Phase ??? ?? ?? ??? ??? ?????. Meta-Atom? ?? ??? ???? ?? RSoft BSDF ?? ????? ???? ?? ??? ? ????. 

Designing a Metalens with CODE V

CODE V? ??? ???? ??

???? ??? ???? ???? ?? CODE V 2024.03 ?? MetaOptic Design ??? ?????.

???? ??? Meta-Atom ?? ???? ??? ??? ??? ?????. CODE V? BSDF ??????? ????? Meta-Atom ???? ??? ?? ? ?? ???? ?????. 

CODE V ? ?? ?? ??? ?? ?? ??? ??? ???? ????? ?????. ??? Phase? ???? ?? CODE V? Meta-Atom ?? ????? ??? ?? ?????. ?? 2? ??? ? ? ??? ?? ??? ????? ?? ?? ????? ???? ???? ??? ???? ??????. CODE V? ?? ?? ?? ??? ??? ??? ????? ?? ? ?? ?? ????? ???? ??? ??? ??????. ????? ??? ??? GDS ??? CODE V?? ?????. 

Figure 2: The meta-atoms used for the design (left). Side view of the 170-degree field of view ultra-wide-angle metalens designed in CODE V with MetaOptic Module (right) | Synopsys

?? 2: ??? ??? Meta-Atoms (??), MetaOptic Module? ???? CODE V?? ??? 170? ???? ??? ????? ??? (???)

Further Optimization with MetaOptic Designer

MetaOptic Designer? ?? ???

?? 3? ?? CODE V? ?? ?? ??? MetaOptic Designer? ?? ???? ?? ? ?? ???? ??? ? ????.

Figure 3: CODE V design imported into MOD for analysis | Synopsys

?? 3: ??? ?? MetaOptic Designer? ??? CODE V ??

??? ??? ???? MetaOptic Designer??? ?? Meta-Atom ?? ???? ?? ??? ???? ??? ? ????. ? ??? ???? ??? ????? ??? ? ??? ? ? ????. MetaOptic Designer?? ??? ? ??? MTF? ?? ??? ?? ?????. GDS ??? ??? ??? ?? ??? ?? 4? ??????. GDS ??? ???? ?? ????? ???? ??? ??? ???? ??? ??? ?????. 

Figure 4: GDS layout of the 1-mm metalens | Synopsys

?? 4: 1mm ?? ????? GDS ????

Validation with FDTD

FDTD? ?? ??

CODE V MetaOptic Module? MetaOptic Designer?? ??? ?? ?? ???? ???? ??? ??? ????? ?? ?? ?? ?? ??? ?? (Finite-Difference Time-Domain Solver)? RSoft FullWave FDTD Tool? ???? ??? ??????. ??? ?? 5? ?? ????. FullWave FDTD? ??? ??? (? ??? 0¡ã,45¡ã, 60¡ã ? ???)? ?? ??? ? ??? ??? ?? ?????? CODE V MetaOptic Design ? MetaOptic Designer? ??? ???? ?????. 

Figure 5: FDTD validation of the final design | Synopsys

?? 5: ?? ??, FDTD ? ?? ??

Conclusion

??

? ?????? Synopsys? Tool? ???? ??? ????? ???? ??? ??? ???????. Synopsys? Meta-Atom ??????? ???? ???? ?? ?????? ??? ? ? ?? ?? ???? ?????. ?? ??, ?? ???? ? ????? ????? ?? ??? MetaOptic Designer? ???? ???? ??? ????? ???? ??? ? ??? ?????. ?? ??? ?? ??? ???? ?? ?? ???? ??????? ?? ??? ?? ?? ? ????? ? ?? ???? ??? ? ??? ????.