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|Home Physics Ion Optics|
|See also: Vector Fields, Electric Field of Point Charges, Optical Lens|
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Electron and ion optics are used in a wide variety of applications, from the electron microscope to mass spectrometers and ion propulsion engines. Though the implementation of a high-quality ion optical system can be rather demanding, the principles of ion optics are simple: any charged particle moves along the gradient of an electrostatic field, becoming (de)accelerated by the field. The trajectories of charged particles can thus controlled by forming suitable electric (and/or magnetic) fields.