Table 5 Summary of fabrication methods of flexible diffractive optics and their optical performances
From: Ultra-thin light-weight laser-induced-graphene (LIG) diffractive optics
Lens Type | Reference | Image | FZP preparation | FZP performance | |||||
|---|---|---|---|---|---|---|---|---|---|
Thickness | Diameter | Process | Materials | Wavelength | Focal length | purpose | |||
Meta-surface | Kamali et al.43 |
| 720 nm | 1 mm | Electron Beam Lithography | Amorphous Silica & PDMS | 915 nm | 3.5 mm | Focusing |
FZP | Moghimi et al.3 |
| 100 nm | 450 μm | Lithography | Silica nanowire & PDMS | 620 nm | N/A | Imaging |
FZP | Li et al.53 |
| 10 μm | ∼650 μm | Lithography | Carbon nanotube & PDMS | 635 nm | 7.00–8.47 mm | Focusing |
FZP |
| 0.9 μm | 656 μm | FsDLW with Galvano scanner | Graphene Oxide & PDMS | 638 nm | 15 mm | Focusing | |
