Design of geometric phase measurement in EAST Tokamak
T. Lan, H. Q. Liu, J. Liu, Y. X. Jie, Y. L. Wang, X. Gao, H. Qin
TL;DR
This paper proposes an optimal scheme for measuring geometric phase in the EAST Tokamak, calculating theoretical values and evaluating controllable parameters to improve measurement accuracy and feasibility.
Contribution
It introduces a novel scheme for geometric phase measurement in EAST Tokamak and analyzes the effects of controllable parameters on the measurement process.
Findings
Theoretical geometric phase values are calculated via path integration.
Controllable parameters significantly influence geometric phase measurement.
Feasibility of distinguishing geometric effects in signals is assessed.
Abstract
The optimum scheme for geometric phase measurement in EAST Tokamak is proposed in this paper. The theoretical values of geometric phase for the probe beams of EAST Polarimeter-Interferometer (POINT) system are calculated by path integration in parameter space. Meanwhile, the influences of some controllable parameters on geometric phase are evaluated. The feasibility and challenge of distinguishing geometric effect in the POINT signal are also assessed in detail.
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Taxonomy
TopicsMagnetic confinement fusion research · GNSS positioning and interference · Superconducting Materials and Applications