Disciplining a Rubidium Atomic Clock Based on Adaptive Kalman Filter [PDF]
SensorsRubidium atomic clocks have been used extensively in various fields, with applications such as a core component of Global Navigation Satellite Systems (GNSS). However, they exhibit inherently poor long-term stability.
Kun Liu +3 more
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Dual-frequency modulation in microwave-optical double resonance for manipulation of atomic populations [PDF]
Scientific ReportsThis study presents a dual-frequency modulation scheme in which both optical and microwave fields are simultaneously modulated in a microwave–optical double resonance system within a hot rubidium vapor cell.
M. Asadolah Salmanpour +2 more
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Comparison of Gravitational and Light Frequency Shifts in Rubidium Atomic Clock [PDF]
Universe, 2020 The article presents the results of an experimental study of the external magnetic field orientation and magnitude influence on the rubidium atomic clock, simulating the influence of the geomagnetic field on the onboard rubidium atomic clock of ...
Alexey Baranov +3 more
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Measurement of Optical Rubidium Clock Frequency Spanning 65 Days [PDF]
Sensors, 2022 Optical clocks are emerging as next-generation timekeeping devices with technological and scientific use cases. Simplified atomic sources such as vapor cells may offer a straightforward path to field use, but suffer from long-term frequency drifts and ...
Nathan D. Lemke +5 more
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Sub-Hz fundamental, sub-kHz integral linewidth self-injection locked 780 nm hybrid integrated laser [PDF]
Scientific ReportsToday’s precision experiments for timekeeping, inertial sensing, and fundamental science place strict requirements on the spectral distribution of laser frequency noise.
Andrei Isichenko +7 more
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Co-transmission of radio frequency reference and data signal over multi-core fiber [PDF]
Scientific ReportsInformation and communication technology has continuously driven the demand for higher data transmission rates. At the same time, frequency synchronization technology also needs to continually adapt to the high-precision frequency references required ...
Lei Liu +4 more
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A High-Precision Frequency Adjustment Circuit for Miniaturized Rubidium Atomic Clocks
Chinese Journal of Magnetic Resonance, 2019 Frequency adjusting precision is an important performance indicator of miniaturized rubidium atomic clock (RAC) in some applications, such as the case in GPS disciplined RAC systems.
YU Zhi-hui +4 more
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Recent Progress on Micro-Fabricated Alkali Metal Vapor Cells
Biosensors, 2022 Alkali vapor cells are the core components of atomic sensing instruments such as atomic gyroscopes, atomic magnetometers, atomic clocks, etc. Emerging integrated atomic sensing devices require high-performance miniaturized alkali vapor cells, especially ...
Xuelei Wang +5 more
doaj +1 more source
Remote Sensing, 2022 Satellite atomic clocks are the key elements for position, navigation, and timing services of the Global navigation satellite system (GNSS); it is necessary to research the characteristics of BDS-3 on-orbit satellite atomic clocks for their further ...
Yifeng Liang +3 more
doaj +1 more source
Investigation of an Ultra High Signal-to-noise Ratio Physics Package for the Rubidium Atomic Clock
Chinese Journal of Magnetic Resonance, 2023 Driven by the demand for satellite navigation and deep space exploration, the performance of lamp-pumped rubidium atomic clock has been greatly improved, and its short-term frequency stability has reached the level of a small coefficient of 10-13τ -1/2 ...
CUI Jiaqi +7 more
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