在3.4 GHz和6.8 GHz激光泵浦电流调制下，基于87Rb原子相干居群捕获效应的原子钟场移比较

IF 0.9 4区工程技术 Q3 Engineering

Quantum Electronics Pub Date : 2022-04-01 DOI:10.1070/qel18023

S. Ignatovich, M. Skvortsov, I. Mesenzova, N. L. Kvashnin, V. Vishnyakov, D. Brazhnikov, S. Bagayev

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引用次数: 0

摘要

在3.4 GHz和6.8 GHz的激光泵浦电流调制下，比较了87Rb中D1线上相干居群俘获(CTP)共振和光移的实验参数。考虑了原子钟长期稳定所需的垂直腔激光参数的可重复性。在3.4 GHz和6.8 GHz频率下，原子cpt时钟在1 s内的不稳定性分别为1.2 × 10−11和3 × 10−12。

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Comparison of field shifts in an atomic clock based on the effect of coherent population trapping in 87Rb atoms under modulation of laser pump current at frequencies of 3.4 and 6.8 GHz

Experimental parameters of the resonance of coherent population trapping (CTP) on D1 line in 87Rb and light shifts are compared under modulation of the laser pump current at frequencies of 3.4 and 6.8 GHz. Reproducibility of the parameters of a laser with a vertical cavity needed for long-term stability of an atomic clock is considered. The instabilities of atomic CPT-clock obtained for 1 s are 1.2 × 10−11 and 3 × 10−12 for frequencies of 3.4 GHz and 6.8 GHz, respectively.

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来源期刊

Quantum Electronics 工程技术-工程：电子与电气

CiteScore

3.00

自引率

11.10%

发文量

审稿时长

3-6 weeks

期刊介绍： Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.