A spectroscopic electric field vector imaging diagnostic for electron cyclotron heating systems
An experimental measurement of the wave electric field vector provides important data that can be used to directly compare against 3D full-wave simulations. This direct comparison yields the fastest approach toward identifying missing physics in computational models and providing a high fidelity validation platform. In this paper, we present a diagnostic that is capable of imaging the Electron Cyclotron (EC) wave electric field vector by acquiring filtered images of polarized Dβ spectral satellites. The diagnostic is designed to have a spatial and temporal resolution on the order of 100 μm and 100 μs, respectively. The diagnostic purpose is to provide experimental data for the direct validation of full-wave codes used to predict EC beam propagation and absorption and to provide real-time monitoring of EC waves.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1570139
- Resource Relation:
- Journal Volume: 89; Journal Issue: 10; Conference: High Temperature Plasma Diagnostics (HTPD 2018) - San Diego, California, United States of America - 4/16/2018 8:00:00 AM-4/19/2018 8:00:00 AM
- Country of Publication:
- United States
- Language:
- English
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