Visible and Infrared Optical Design for the ITER Upper Ports

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This document contains the results of an optical design scoping study of visible-light and infrared optics for the ITER upper ports, performed by LLNL under contract for the US ITER Project Office. ITER is an international collaboration to build a large fusion energy tokamak with a goal of demonstrating net fusion power for pulses much longer than the energy confinement time. At the time of this report, six of the ITER upper ports are planned to each to contain a camera system for recording visible and infrared light, as well as other diagnostics. the performance specifications for the temporal and ... continued below

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PDF-file: 93 pages; size: 7.8 Mbytes

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Lasnier, C; Seppala, L; Morris, K; Groth, M; Fenstermacher, M; Allen, S et al. March 1, 2007.

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Description

This document contains the results of an optical design scoping study of visible-light and infrared optics for the ITER upper ports, performed by LLNL under contract for the US ITER Project Office. ITER is an international collaboration to build a large fusion energy tokamak with a goal of demonstrating net fusion power for pulses much longer than the energy confinement time. At the time of this report, six of the ITER upper ports are planned to each to contain a camera system for recording visible and infrared light, as well as other diagnostics. the performance specifications for the temporal and spatial resolution of this system are shown in the Section II, Functional Specifications. They acknowledge a debt to Y. Corre and co-authors of the CEA Cadarache report ''ITER wide-angle viewing and thermographic and visible system''. Several of the concepts used in this design are derived from that CEA report. The infrared spatial resolution for optics of this design is diffraction-limited by the size of the entrance aperture, at lower resolution than listed in the ITER diagnostic specifications. The size of the entrance aperture is a trade-off between spatial resolution, optics size in the port, and the location of relay optics. The signal-to-noise ratio allows operation at the specified time resolutions.

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PDF-file: 93 pages; size: 7.8 Mbytes

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  • Report No.: UCRL-TR-228629
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/902282 | External Link
  • Office of Scientific & Technical Information Report Number: 902282
  • Archival Resource Key: ark:/67531/metadc890035

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • March 1, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 2, 2016, 6:13 p.m.

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Lasnier, C; Seppala, L; Morris, K; Groth, M; Fenstermacher, M; Allen, S et al. Visible and Infrared Optical Design for the ITER Upper Ports, report, March 1, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc890035/: accessed October 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.