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Applied Sciences
Special Issues
Applications of Atomic Physics and Atomic Interferometry
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Applications of Atomic Physics and Atomic Interferometry

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 3538

Special Issue Editor

Dr. Baptiste Battelier

E-Mail Website
Guest Editor
LP2N, Laboratoire Photonique, Numérique et Nanosciences, Université Bordeaux–IOGS–CNRS:UMR 5298, 1 rue François Mitterrand, 33400 Talence, France
Interests: atom interferometry; inertial sensors; navigation; cold atoms; atomic physics

Special Issue Information

Dear Colleagues,

Strong efforts are currently being made to transfer quantum technology into industry, in a context of strong international financial support (UK quantum HUB, Quantum flagship and Horizon Europe, etc.). Among these technologies, cold atoms sensors already have a significant maturity, allowing us to envision applications in the short term. Atomic clocks have demonstrated outstanding long-term stability and accuracy and serve as the primary standard for the definition of the second. These systems are now compact enough to be considered for a larger community of users. Similarly, cold atom gravimeters and gyroscopes have demonstrated sensitivity and long-term stability, paving the way to a technological breakthrough for inertial sensors. Despite the initial high complexity of the first experiments, the effort of development during the past 15 years has completely changed this paradigm. Commercial atom gravimeters are now available, with performances comparable to the state of the art. The challenge today is to expand this technology, which is about to emerge in the following topics: onboard terrestrial gravimetry, gradiometry, navigation, magnetometry, and spatial geodesy, among others.

This Special Issue aims to highlight the strong dynamism to transfer atom interferometry into the industrial world, and the important interaction between the cold atom community and the potential users. 

Dr. Baptiste Battelier
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • atom interferometry
  • atomic clocks
  • inertial sensors
  • navigation
  • gravimetry
  • timing
  • magnetometry
  • cold atoms
  • atomic physics
  • quantum technology

Published Papers (2 papers)

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Research

10 pages, 3101 KiB  
Article
Experimental Evaluation of the Blackbody Radiation Shift in the Cesium Atomic Fountain Clock
by Fan Yang, Xinliang Wang, Jun Ruan, Junru Shi, Sichen Fan, Yang Bai, Yong Guan, Qiang Hao, Hui Zhang, Dandan Liu and Shougang Zhang
Appl. Sci. 2022, 12(1), 510; https://doi.org/10.3390/app12010510 - 05 Jan 2022
Cited by 1 | Viewed by 1412
Abstract
The cesium atomic fountain clock is the world’s most accurate microwave atomic clock. The uncertainty of blackbody radiation (BBR) shift accounts for an increasingly large percentage of the uncertainty associated with fountain clocks and has become a key factor in the performance of [...] Read more.
The cesium atomic fountain clock is the world’s most accurate microwave atomic clock. The uncertainty of blackbody radiation (BBR) shift accounts for an increasingly large percentage of the uncertainty associated with fountain clocks and has become a key factor in the performance of fountain clocks. The uncertainty of BBR shift can be reduced by improving the system environment temperature. This study examined the mechanism by which the BBR shift of the transition frequency between the two hyperfine energy levels of the 133Cs ground state is generated and the calculation method for the BBR shift in the atomic fountain. Methods used to reduce the uncertainty of BBR shift were also examined. A fountain system structure with uniform temperature and good heat preservation was designed, and related technologies, such as that for measuring the temperature of the cesium fountain system, were studied. The results of 20 days of measurements, in combination with computer simulation results, showed that the temperature uncertainty of the atomic action zone is 0.12 °C and that the resulting uncertainty of BBR shift is 2.4 × 10−17. Full article
(This article belongs to the Special Issue Applications of Atomic Physics and Atomic Interferometry)
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14 pages, 3984 KiB  
Article
LADRC-Based Magnetic Field Measurement Method for a Nuclear Magnetic Resonance Rotation Sensor
by Xinghua Zhao, Zhanchao Liu, Xinda Song, Jianli Li and Yibo Shao
Appl. Sci. 2021, 11(21), 10458; https://doi.org/10.3390/app112110458 - 07 Nov 2021
Viewed by 1552
Abstract
Magnetic field measurement is fundamental to nuclear magnetic resonance rotation sensors (NMRRS). A phase-locked loop (PLL)-based measurement with two nuclear isotopes is commonly applied to observe the magnetic field. However, the phase-loop and frequency-loop of the nuclear isotopes cannot be optimized simultaneously by [...] Read more.
Magnetic field measurement is fundamental to nuclear magnetic resonance rotation sensors (NMRRS). A phase-locked loop (PLL)-based measurement with two nuclear isotopes is commonly applied to observe the magnetic field. However, the phase-loop and frequency-loop of the nuclear isotopes cannot be optimized simultaneously by a PLL-based method. In this paper, an approach based on a linear active disturbance rejection controller (LADRC) is proposed for synchronous phase-loop control of the two nuclear isotopes. Meanwhile, the frequencies of the nuclear isotopes are observed by linear extended state observers (LESOs). The phase and frequency loops can be decoupled and optimized with the proposed method. An experimental NMRRS prototype used for verification is built. The effectiveness and the feasibility of the proposed method are validated with the experimental results. Full article
(This article belongs to the Special Issue Applications of Atomic Physics and Atomic Interferometry)
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