SURFACE-PLASMON MIRROR FOR ATOMS

被引：82
作者：
ESSLINGER, T [1 ]
WEIDEMULLER, M [1 ]
HEMMERICH, A [1 ]
HANSCH, TW [1 ]
机构：
[1] UNIV MUNICH,SEKT PHYS,W-8000 MUNICH 40,GERMANY
来源：
OPTICS LETTERS | 1993年 / 18卷 / 06期
关键词：
D O I：
10.1364/OL.18.000450
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate specular reflection of a thermal rubidium beam with low-power laser light. The atoms are reflected by the gradient force of an evanescent wave enhanced by surface plasmons excited in a thin silver layer. With only 6 mW of diode laser power we achieve a deflection angle of 2.5 mrad. Analysis of the velocity distribution of the reflected atoms yields an enhancement factor of 60 +/- 20 for the amplitude square of the evanescent wave.
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页码：450 / 452
页数：3
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