| 单词 | electrostatic lens |
| 释义 | > as lemmaselectrostatic lens electrostatic lens n. an arrangement of electrodes at different potentials, used to focus an electron beam electrostatically. ΚΠ 1935 Rep. Progress Physics 2 287 Scherzer has calculated the focal length of a short electrostatic lens. 1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. x. 237 A practical electrostatic lens of the type used in cathode-ray tubes has an optical equivalent containing several convex and concave elements. 2000 J. McFall tr. K. Wille Physics of Particle Accelerators i. 8 The electrodes act as electrostatic lenses which focus the beam to a certain extent. < as lemmas |
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