A transportable strontium optical lattice clock

作者：Poli N; Schioppo M; Vogt S; Falke St; Sterr U; Lisdat Ch; Tino G M^*

来源：Applied Physics B: Lasers and Optics , 2014, 117(4): 1107-1116.

DOI：10.1007/s00340-014-5932-9

We report on a transportable optical clock, based on laser-cooled strontium atoms trapped in an optical lattice. The experimental apparatus is composed of a compact source of ultra-cold strontium atoms including a compact cooling laser setup and a transportable ultra-stable laser for interrogating the optical clock transition. The whole setup (excluding electronics) fits within a volume of %26lt;2 m(3). The high degree of operation reliability of both systems allowed the spectroscopy of the clock transition to be performed with 10 Hz resolution. We estimate a relative uncertainty of the clock of 7 x 10(-15).

• 出版日期2014-12