Combined hydrogen and lithium beam emission spectroscopy observation system for Korea Superconducting Tokamak Advanced Research
作者： M. Lampert , G. Anda , A. Czopf , G. Erdei , D. Guszejnov
DOI: 10.1063/1.4923251
关键词:
摘要: A novel beam emission spectroscopy observation system was designed, built, and installed onto the Korea Superconducting Tokamak Advanced Research tokamak. The is designed in a way to be capable of measuring either from heating deuterium or diagnostic lithium beam. two beams have somewhat complementary capabilities: edge density profile turbulence measurement with dimensional Two detectors can used parallel: CMOS camera provides overview scene light intensity distribution at maximum few hundred Hz frame rate, while 4 × 16 pixel avalanche photo-diode (APD) gives 500 kHz bandwidth data cm region. optics use direct imaging through lenses mirrors window detectors, thus avoid costly inflexible fiber guides. Remotely controlled mechanisms allow adjustment APD camera’s location on shot-to-shot basis, temperature stabilized filter holders provide selection Doppler shifted alpha resonance line. capabilities are illustrated by measurements basic plasma properties.
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