Won't the effective index of all materials be basically 1 for the high energy electrons involved here?
Seems not in this case. But I believe the use case was deep brain tumors, like the hippocampus, where any beam alignment problems could be life altering.
alt Hacker News
Seems not in this case. But I believe the use case was deep brain tumors, like the hippocampus, where any beam alignment problems could be life altering.