Table 2 Definitions of actions used in DDQN.
From: Double-deep Q-learning to increase the efficiency of metasurface holograms
Action No. | Action Definition |
|---|---|
0 | Decrease the spacing between disks (L) by 10 nm. (min 20 nm) |
1 | Increase the spacing between disks (L) by 10 nm. (max 120 nm) |
2 | Decrease the grating thickness (G_H) by 10 nm. (min 10 nm) |
3 | Increase the grating thickness (G_H) by 10 nm. (max 150 nm) |
4 | Decrease the disk thickness (D_H) by 10 nm. (min 10 nm) |
5 | Increase the disk thickness (D_H) by 10 nm. (max 250 nm) |
6 | Decrease the film thickness (F_H) by 10 nm. (min 10 nm) |
7 | Increase the film thickness (F_H) by 10 nm. (max 150 nm) |
8 | Decrease the grating coverage (G_C) by 10%. (min 0%) |
9 | Increase the grating coverage (G_C) by 10%. (max 100%) |
10 | Decrease the material ID of disks (D_M) by 1. (min 1) |
11 | Increase the material ID of disks (D_M) by 1. (max 23) |
12 | Decrease the material ID of the film (F_M) by 1. (min 1) |
13 | Increase the material ID of the film (F_M) by 1. (max 23) |
14 | Decrease the material ID of the grating (G_M) by 1. (min 1) |
15 | Increase the material ID of the grating (G_M) by 1. (max 23) |
