(0) ConvLayer4F
→ →│↘ ↗│→ → → →│→ ▒▒ →│→ → → →│↗ ↘│→ →
(1) FreeSpace
─→┨ ┠─→
→
(2) ThinLens
─→┃↘ ─→┃→ ─→┃↗
→
(3) FreeSpace
─→┨ ┠─→
→
(4) DiffractiveLayer
─→▒▒─→
→
(5) FreeSpace
─→┨ ┠─→
→
(6) ThinLens
─→┃↘ ─→┃→ ─→┃↗
→
(7) FreeSpace
─→┨ ┠─→