A seven-channel optical measurement system is presented for real-time monitoring of coil parasitic motions (x_c, y_c, θ_x, θ_y) and mass position offsets (x_m, y_m) in the Tsinghua Tabletop Kibble balance using distributed spectrally-confocal sensors.
Invited Article: A precise instrument to determine the Planck constant, and the future kilogram
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An Optical System for Monitoring Coil Parasitic Motion and Mass Position for Tsinghua Tabletop Kibble Balance
A seven-channel optical measurement system is presented for real-time monitoring of coil parasitic motions (x_c, y_c, θ_x, θ_y) and mass position offsets (x_m, y_m) in the Tsinghua Tabletop Kibble balance using distributed spectrally-confocal sensors.