Acta Photonica Sinica, Volume. 50, Issue 6, 154(2021)
Power Frequency Electric Field Measurement Based on Electromagnetic Induced Transparent Spectrum under Radio Frequency Field
The two-photon (852 nm and 509 nm) excitation was used to achieve the preparation of the 53S1/2 Rydberg state of cesium atoms. The electromagnetically induced transparency spectrum of Rydberg atoms in which the radio frequency electric fields in the AC Stark effect was studied. By changing the amplitude of the radio frequency electric fields, the dependance of the Stark frequency shift of Rydberg atoms on the amplitude of the electric field was investigated. In the experiments, the power frequency electric fields were modulated to the radio frequency electric fields. The traceable measurement of the field strength of the power frequency electric field was realized. The field strength sensitivity can reach 0.37 V/cm, and the amplitude measurement dynamic range can reaches 37.2 dB. Moreover, the frequency measurement of power frequency electric fields is demonstrated, and the uncertainty of frequency measurement is smaller than 0.1%.
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Chungang ZHANG, Wei LI, Hao ZHANG, Mingyong JING, Linjie ZHANG. Power Frequency Electric Field Measurement Based on Electromagnetic Induced Transparent Spectrum under Radio Frequency Field[J]. Acta Photonica Sinica, 2021, 50(6): 154
Category: Atomic and Molecular Physics
Received: Dec. 21, 2020
Accepted: Jan. 29, 2021
Published Online: Aug. 31, 2021
The Author Email: ZHANG Linjie (zlj@sxu.edu.cn)