EMCCD's are the same as CCD's except that they have an extended "multiplication register (or gain register) please read link below see here... Electron-Multiplying (EM) Gain How can i make my own extended multiplication register and add it to a CCD chip???

EMCCD Diy

Zapro November 20, 2015, 4:36pm 2

As i read it, you cannot do it. I has to happen inside the CCD itself.

// Per.