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4 terms
Photonics Dictionary: B
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electron beam x
B x
backward-wave oscillator
An amplifying device with a wide tuning range in which an electron gun sends a beam of electrons into a slow-wave structure. The electron beam and the electromagnetic wave move in opposite directions...
beam deflection tube
An electron-beam tube in which the current to an output electrode is regulated by the transverse motion of the tube's electron beam.
beam position
In computer graphics, the point on the display screen where the electron beam is located before the display instruction is executed. On directed beam display points, vectors and other graphic...
beta fluorography
The use of a short-duration electron beam to record high-speed events that occur in microscopic objects made of materials that emit visible fluorescence during electron bombardment. The method is...
Photonics Dictionary
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