MA JIAN, FU SHUFEN, WANG ZHIJIANG. Electrostatic biprism with quadratic potential distribution[J]. Acta Optica Sinica, 1989, 9(2): 190
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A new electrostatic biprism-Quadratic Potential Distribution Biprigm is proposed, which as possible to increase the intensity of interference electron as well as the range of equidistanoe interference fringes.