In accelerator physics, the term acceleration voltage means the effective voltage surpassed by a charged particle along a defined straight line. If not specified further, the term is likely to refer to the longitudinal effective acceleration voltage V {\displaystyle V_{\parallel }} .The acceleration voltage is an important quantity for the design of microwave cavities for particle accelerators. See also shunt impedance.For the special case of an electrostatic field that is surpassed by a particle, the acceleration voltage is directly given by integrating the electric field along its path. The following considerations are generalized for time-dependent fields.
Acceleration voltage refers to the electric potential difference applied between electrodes, such as the cathode and anode in an electron gun, to accelerate charged particles like electrons or ions in various scientific instruments and devices. This

The high-voltage generated with a high-voltage generator (e.g. CockcroftWalton voltage generator) is supplied to acceleration tube through the high voltage cable of electron microscopes...

Find the work done by the electric field on an electron. What time does the electron take to get from the hot cathode to the anode? Now the acceleration voltage changes and electrons are...

Moving forward, it's essential to keep these visual contexts in mind when discussing Acceleration Voltage.
Acceleration Voltage As the acceleration voltage is increased, the speed of the electrons also increases resulting in greater penetration into thicker materials.