Version 1
: Received: 30 October 2023 / Approved: 30 October 2023 / Online: 31 October 2023 (04:30:41 CET)
How to cite:
Gao, W.; Wang, J.; Xiao, Y.; Zhang, J. A Study of Ramsey Interference and Spectral Line Locking Technique Based on Rubidium-87 Cold Atoms. Preprints2023, 2023101947. https://doi.org/10.20944/preprints202310.1947.v1
Gao, W.; Wang, J.; Xiao, Y.; Zhang, J. A Study of Ramsey Interference and Spectral Line Locking Technique Based on Rubidium-87 Cold Atoms. Preprints 2023, 2023101947. https://doi.org/10.20944/preprints202310.1947.v1
Gao, W.; Wang, J.; Xiao, Y.; Zhang, J. A Study of Ramsey Interference and Spectral Line Locking Technique Based on Rubidium-87 Cold Atoms. Preprints2023, 2023101947. https://doi.org/10.20944/preprints202310.1947.v1
APA Style
Gao, W., Wang, J., Xiao, Y., & Zhang, J. (2023). A Study of Ramsey Interference and Spectral Line Locking Technique Based on Rubidium-87 Cold Atoms. Preprints. https://doi.org/10.20944/preprints202310.1947.v1
Chicago/Turabian Style
Gao, W., Yuhua Xiao and Jiongyang Zhang. 2023 "A Study of Ramsey Interference and Spectral Line Locking Technique Based on Rubidium-87 Cold Atoms" Preprints. https://doi.org/10.20944/preprints202310.1947.v1
Abstract
In this paper, a study was conducted on the Ramsey interference and spectral line locking techniques based on rubidium-87 cold atoms. Using sequential control technique, the timing design of a three-dimensional magneto-optical trap (MOT), cold atoms’ free fall, Ramsey microwave interference, and two-level fluorescence detection was realized, achieving the state preparation of cold atoms and clock transitions. By designing an automatic peak-finding algorithm, numerical integration was performed on the time-of-flying (TOF) signal, and narrow linewidth cold atom Ramsey interference fringes were obtained. Based on this, a frequency-hopping method was used to lock the frequency of the 10MHz oven-controlled crystal oscillator (OCXO) in a closed loop, achieving a linewidth of 38Hz. This preliminary result verifies the feasibility of the system design.
Keywords
Cold atom; Ramsey spectrum; virtual instrument; sequential control
Subject
Physical Sciences, Atomic and Molecular Physics
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.