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Relativistic Electron Calculator
Enter any quantity and all others update in real time. The chart shows de Broglie wavelength vs kinetic energy with common electron-microscope references.
Parameters
Velocity —
Relativistic kinematics. K = (γ − 1) mec², γ = (1 − v²/c²)−½, λe = h / p. Constants: CODATA 2018.
λe vs K — de Broglie wavelength
References SEM 30 kV TEM 120 kV TEM 200 kV TEM 300 kV