IMAGING AND FOCUSING OF ATOMS BY A FRESNEL ZONE PLATE

被引：149

作者：

CARNAL, O ^{[1
]}

SIGEL, M ^{[1
]}

SLEATOR, T ^{[1
]}

TAKUMA, H ^{[1
]}

MLYNEK, J ^{[1
]}

机构：

[1] UNIV ELECTROCOMMUN,INST LASER SCI,TOKYO 182,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.67.3231

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Focusing of and imaging with atoms by means of a spherical Fresnel zone plate has been observed for the first time. An intense beam of metastable helium atoms with atomic de Broglie wavelength lambda(DB) = 0.5-2.5 angstrom is passed through either a single or a double slit with dimensions in the 10-mu-m range. This transverse intensity distribution is imaged by a Fresnel zone plate, 210-mu-m in diameter and with an innermost zone diameter of 18.76-mu-m. For lambda(dB) = 1.96 angstrom the focal length is 0.45 m. The imaging properties of the zone plate are presented and compared with numerical calculations.

引用

页码：3231 / 3234

页数：4

共 13 条

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