| MMT
Opto-package Radiation Length
Package area is 5.5 * 5.5 mm2 |
| Layer | Material | Element | Radiation Length X0 (mm) | Thickness (mm) | X0 contribution | Area coverage | Area averaged X0 |
| Undertile | Alumina | Al2O3 | 71.641 | 0.250 | 0.35% | 100% | 0.35% |
| Ground plane | PdAg | Pd:Ag | 8.078 | 0.012 | 0.15% | 25% | 0.04% |
| Cond.glue | H20E | 70% Ag | 8.551 | 0.020 | 0.16% | 70% | 0.11% |
| Baseplate | Silicon | Si | 93.663 | 0.700 | 0.75% | 79% | 0.59% |
| UV glue | |||||||
| Lid | Silicon | Si | 93.663 | 0.400 | 0.43% | 62% | 0.26% |
| Mirror | Silicon | Si | 93.663 | 0.300 | 0.32% | 24% | 0.08% |
| Total Si | 0.93% | ||||||
| Grand Total | 1.43% |