| Repetition rate | 500 kHz | Subjects |
| droplet | 10 μm Gd liquid | Molten temperature* 1312˚C |
| irradiation | Double pulse | Assume same spallation as Sn |
| Droplet interval | 1 mm | Assume same expansion as Sn* |
| Droplet speed | 500 m/s | |
| Fuel recovery and reuse | Full ionization and magnetic guide | Rare earth, efficient laser ionization |