Figure 3

The individual photons energy deposition of different photon energies. Reflective layer materials are (a) aluminum, (b) iron, (c) lead, (d) tungsten-nickel alloy, (e) concrete, and (f) water.

The individual photons energy deposition of different photon energies. Reflective layer materials are (a) aluminum, (b) iron, (c) lead, (d) tungsten-nickel alloy, (e) concrete, and (f) water.