The prototype imaging motional Stark effect diagnostic for ASDEX upgrade.

摘要: This paper presents the development and testing of prototype Imaging Motional Stark-Effect (IMSE) diagnostic, designed for ASDEX upgrade. A detailed description core hardware, theory operation, application to complex MSE spectra are presented analytical evaluation methods suitable required accuracy developed. The diagnostic is tested with a MSE-like polarised spectrum assess different modulation modes suggested in previous works. Each found have small systematic errors due non-ideal effects components, which must be carefully examined. In particular, effect intrinsic contrast that results from imperfect parallelism birefringent plates strong effect. Methods mitigate correct this discussed. With necessary corrections calibrations, polarisation orientation shown within ±0.2°. finite ellipticity examined possibility measure an ±2.0° demonstrated. system insensitive broadband background light, temperature variations, critically variations details spectrum.