High Voltage Metrology with Collinear Laser Spectroscopy

We present results of laser spectroscopic high voltage measurements on the 5 ppm relative uncertainty level using a pump and probe scheme on Ca+ ions. With the two-stage laser interaction and with a reference measurement we can eliminate systematic effects like differences in contact potentials of e...

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Bibliographic Details
Main Authors: Kramer, Jorg, Konig, Kristian, Geppert, Christopher, Imgram, PhilliP, MaaB, Bernhard, Meisner, Johann, Otten, Ernst Wilhelm, Passon, Stephan, Ratajczyk, Tim, Ullmann, Johannes, Nortershauser, Wilfried
Format: Conference Proceeding
Language:English
Subjects:
Doppler effect
Frequency measurement
High-voltage techniques
ion beams
Ions
Laser excitation
laser velocimetry
Measurement by laser beam
optical frequency conversion
Uncertainty
Voltage measurement
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Summary:We present results of laser spectroscopic high voltage measurements on the 5 ppm relative uncertainty level using a pump and probe scheme on Ca+ ions. With the two-stage laser interaction and with a reference measurement we can eliminate systematic effects like differences in contact potentials of electrode materials, thermo-electric voltages, and the unknown starting potential of the ions in the ion source. Our measurements are compatible with the 5 ppm precision limits of the high voltage dividers used for comparison and demonstrate an unprecedented increase in the accuracy of laser-based high voltage measurements by a factor of 20.
ISSN:2160-0171
DOI:10.1109/CPEM.2018.8501251