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Low-frequency atomic electrometry

Patent ·
OSTI ID:1987149

In a method of atomic electrometry, EIT spectroscopy is performed on host atoms of an alkali metal in a vapor cell. The EIT spectroscopy indicates a resonant energy of a probed Rydberg state of the host atoms. The vapor cell is exposed to an ambient electric field. A shift in the resonant energy as indicated by the EIT spectroscopy is observed and interpreted as a measurement of the ambient field. During the measurement of the ambient field, a bias electric field is generated inside the vapor cell by shining light into the vapor cell from a light source situated outside of the cell. The bias field is useful for increasing the sensitivity of the measurement.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
DOE Contract Number:
NA0003525
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
11,585,841
Application Number:
17/531,306
OSTI ID:
1987149
Country of Publication:
United States
Language:
English

References (23)

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Assessment of Rydberg atoms for wideband electric field sensing journal January 2020
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Photodesorption of rubidium atoms from a sapphire surface journal October 2017
Vapor-Cell-Based Atomic Electrometry for Detection Frequencies below 1 kHz journal May 2020
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Sub-wavelength imaging and field mapping via electromagnetically induced transparency and Autler-Townes splitting in Rydberg atoms journal June 2014
A sensitive electrometer based on a Rydberg atom in a Schrödinger-cat state journal July 2016

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