Term | Meaning |
---|---|
Active Film Multipliers | Dynode material producing air stability, long shelf life and high secondary yield |
Analogue Output | Direct current gain from detector output |
Applied Voltage | HV voltage applied across the detector |
Dual Mode | Detector containing both pulse counting and analogue outputs |
Electric Fields | Relates to ion/electron manipulation using electric fields |
Gain | Ratio of signal out (electrons) to signal in (ions) |
Grids | Parallel wire grids used for field isolation and termination elements in TOF detectors |
HED | High energy conversion dynode |
Ion Collection | Ion collection efficiency |
Ion to Electron Conversion | Electron yield from ion impact |
Ion/Electron Optics | Ability to accurately model ion and electron trajectories during computer simulations |
Magnetic fields | Relates to ion/electron manipulation using magnetic fields |
Noise | Background signal detected caused by statistical, cold emission or out gassing |
Operational Life | The usable life of the detector |
Pulse Counting | Ion counting from electron multiplier |
Secondary Electron Yield | Number of electrons emitted from primary impact |
TOF | Time of Flight Mass Spectrometer |