Quantum reflection of metastable helium 23S atoms in hollow optical fibres

被引：11
|
作者：
Halliwell, XW [1 ]
Friedrich, H [1 ]
Gibson, ST [1 ]
Baldwin, KGH [1 ]
机构：
[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Canberra, ACT 0200, Australia
来源：
OPTICS COMMUNICATIONS | 2003年 / 224卷 / 1-3期
关键词：
quantum reflection; metastable helium; hollow fibres; atom waveguides;
D O I：
10.1016/S0030-4018(03)01724-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We discuss the quantum reflection of metastable 2 S-3 helium atoms in (square) hollow optical fibres of fused silica, used as atomic waveguides. Under realistic experimental conditions, retardation effects in the atom-surface potential play a dominant role; they can increase the reflection probability by an order of magnitude and lead to a significant yield of quantum reflected atoms, amounting to several percent of the incident atomic flux. (C) 2003 Elsevier B.V. All rights reserved.
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页码：89 / 95
页数：7
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