Enter the electron "dose" in electrons per square Angstrom, the microscope voltage, and the approximate density of the assumed carbon/oxygen
based sample. The SI dose in MGy at the point of beam entry into the sample will be updated automatically.
References:
penetration depth of electrons extrapolated from
Cole, A., "Absorption of 20-eV to 50,000-eV electron beams in air and plastic." Radiat Res, 1969. 38 7-33.
dose formula from:
Henderson, R., "Cryo-Protection of Protein Crystals against Radiation Damage in Electron and X-Ray Diffraction." Proceedings of the Royal Society of London. Series B: Biological Sciences, 1990. 241(1300) 6-8.