Completed source holder geometry, which is a cylinder of 1-1/8 in length and 11/16 in outer dimensions, with 1/32 in thick stainless steel wall, filled with air.
Completed source holder geometry, which is a cylinder of 1-1/8 in length and 11/16 in outer dimensions, with 1/32 in thick stainless steel wall, filled with air.

micahfolsom/g4dosecalc