Simultaneous dual-species matter-wave accelerometer

被引：132

作者：

Bonnin, A. ^{[1
]}

Zahzam, N. ^{[1
]}

Bidel, Y. ^{[1
]}

Bresson, A. ^{[1
]}

机构：

[1] DMPH, ONERA, F-91123 Palaiseau, France

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 04期

关键词：

ATOM;

D O I：

10.1103/PhysRevA.88.043615

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the realization of a matter-wave interferometer based on Raman transitions which simultaneously interrogates two different atomic species (Rb-87 and Rb-85). The simultaneous aspect of our experiment presents encouraging preliminary results for future dual-species atom interferometry projects and seems very promising by taking advantage of a differential acceleration measurement. Indeed, the resolution of our differential accelerometer remains lower than 3.9 x 10(-8) g even with vibration levels up to 1 x 10(-3) g thanks to common-mode vibration noise rejection. An atom-based test of the weak equivalence principle has also been carried out leading to a differential free fall measurement between both isotopes of Delta g/g = (1.2 +/- 3.2) x 10(-7).

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页数：5

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