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