1. Concept development for the ITER equatorial port visible/infrared wide angle viewing system.
- Author
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Reichle, R., Beaumont, B., Boilson, D., Bouhamou, R., Direz, M.-F., Encheva, A., Henderson, M., Huxford, R., Kazarian, F., Lamalle, Ph., Lisgo, S., Mitteau, R., Patel, K. M., Pitcher, C. S., Pitts, R. A., Prakash, A., Raffray, R., Schunke, B., Snipes, J., and Diaz, A. Suarez
- Subjects
VACUUM ,CALIBRATION ,COMPACTING ,INFRARED technology ,NEUTRONS ,TOKAMAKS - Abstract
The ITER equatorial port visible/infrared wide angle viewing system concept is developed from the measurement requirements. The proposed solution situates 4 viewing systems in the equatorial ports 3, 9, 12, and 17 with 4 views each (looking at the upper target, the inner divertor, and tangentially left and right). This gives sufficient coverage. The spatial resolution of the divertor system is 2 times higher than the other views. For compensation of vacuum-vessel movements, an optical hinge concept is proposed. Compactness and low neutron streaming is achieved by orienting port plug doglegs horizontally. Calibration methods, risks, and R&D topics are outlined. [ABSTRACT FROM AUTHOR]
- Published
- 2012
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