Long-distance chronometric leveling with a portable optical clock

被引：5

作者：

Grotti, J. ^{[1
]}

Nosske, I. ^{[1
]}

Koller, S. B. ^{[1
]}

Herbers, S. ^{[1
]}

Denker, H.

Timmen, L.

Vishnyakova, G. ^{[1
]}

Waterholter, T. ^{[1
]}

Kuhl, A. ^{[1
]}

Koke, S. ^{[1
]}

Benkler, E. ^{[1
]}

Grosche, G. ^{[1
]}

Giunta, M. ^{[1
]}

Maisenbacher, L. ^{[1
]}

Doerscher, S. ^{[1
]}

Schwarz, R. ^{[1
]}

Al-Masoudi, A. ^{[1
]}

Haensch, T. W. ^{[1
]}

Matveev, A. ^{[1
,2
]}

Udem, Th. ^{[1
]}

Holzwarth, R. ^{[1
,3
,4
]}

Lisdat, C. ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, Bundesallee 100, D-38116 Braunschweig, Germany

[2] Leibniz Univ Hannover LUH, Inst Erdmessung, Schneiderberg 50, D-30167 Hannover, Germany

[3] Max Planck Inst Quantum Opt, Hans Kopfermann Str 1, D-85748 Garching, Germany

[4] Menlo Syst GmbH, Bunsenstr 5, D-82152 Martinsried, Germany

来源：

PHYSICAL REVIEW APPLIED | 2024年 / 21卷 / 06期

关键词：

Atomic clocks;

D O I：

10.1103/PhysRevApplied.21.L061001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have measured the geopotential difference between two locations separated by 457 km by comparison of two optical lattice clocks via an interferometric fiber link, utilizing the gravitational redshift of the clock transition frequency. The Sr-87 clocks have been compared side-by-side before and after one of the clocks was moved to the remote location. The chronometrically measured geopotential difference of 3918.1(2.6) m(2) s(-2 )agrees with an independent geodetic determination of 3915.88(0.30) m(2) s(-2). The uncertainty of the chronometric geopotential difference is equivalent to an uncertainty of 27 cm in height.

引用

页数：6

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