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DiagnosticsPPPL US ITER Diagnostics David Johnson Diagnostics Team Leader November 15, 2006 US ITER Project Vendor Fair Oak Ridge, TN.

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Presentation on theme: "DiagnosticsPPPL US ITER Diagnostics David Johnson Diagnostics Team Leader November 15, 2006 US ITER Project Vendor Fair Oak Ridge, TN."— Presentation transcript:

1 DiagnosticsPPPL US ITER Diagnostics David Johnson Diagnostics Team Leader November 15, 2006 US ITER Project Vendor Fair Oak Ridge, TN

2 DiagnosticsPPPL 2 Outline  US Scope  Port Plugs  Instruments  Schedule

3 DiagnosticsPPPL 3 US Diagnostic Packages Design maturity is conceptual.

4 DiagnosticsPPPL 4 Scope - US Port Plugs Upper Plugs (U5, U17) (4.5m long, ~25T in-vessel) Equatorial Plugs (E3, E9) (2.2m high, ~50T in-vessel) Divertor Side Panels and Back Boxes (L8) Plugs provide – Vacuum seal, radiation shielding – Cooling water and support for blanket shield modules – Support and access for diagnostics Plugs consist of – Generic structural components common to all of that type – Custom diagnostic shield modules

5 DiagnosticsPPPL 5 Upper Visible/IR Cameras (6 in upper ports) Within CryostatOutside Cryostat Endoscope heads (aspheric) Metal mirrors Shutters and actuators Refractive optics Visible and IR optics High resolution visible and IR cameras Fast visible and IR cameras Image capture and analysis software

6 DiagnosticsPPPL 6 Main Plasma Reflectometer (LFS) Differential movements taken up in waveguide joints Within CryostatOutside Cryostat Horn antenna/tapers Vacuum-compatible corrugated waveguide Compliant WG mitre-bends, sleeves Microwave test equipment Standard aluminum corrugated waveguide  wave sources (~100 mW, 30 GHz BW, GHz) Tracking LOs, mixer/detectors IF amplifiers and components, video amplifiers Digital controllers, digitizers, D/As, computers

7 DiagnosticsPPPL 7 Electron Cyclotron Emission Diagnostic Within CryostatOutside Cryostat Ellipsoidal metal mirrors Vacuum-compatible corrugated waveguide Compliant WG miter-bends, sleeves In-situ hot calibration sources, shutters Standard aluminum corrugated waveguide Mitre-bends, polarization splitters Multichannel (40-50) radiometers ( GHz) Michelson interferometers ( GHz)

8 DiagnosticsPPPL 8 Heating Beam Plan view of edge MSE sightlines Port E3 Motional Stark Effect Polarimeter Within CryostatOutside Cryostat Metal aspheric mirrors Shutters and actuators In-situ calibration sources In-situ mirror cleaning system Fiber optic bundles (in heating jacket) Photoelastic modulators High-resolution spectrometers Narrow-band spectral filters APD detectors, preamps, digitizers

9 DiagnosticsPPPL 9 Toroidal Interferometer/Polarimeter Within CryostatOutside Cryostat Metal mirror-based beam delivery optics Shutter and actuator Metal retroreflectors Real-time beam alignment system Two-color lasers in IR/FIR (CO  m, CH 3  m) IR/FIR detectors, polarization modulators IR/FIR optics (beam splitters, wave plates, etc)

10 DiagnosticsPPPL 10 Divertor Interferometer Within CryostatOutside Cryostat Mirror-based beam delivery optics IR/FIR waveguide? Metal retroreflectors? Real-time beam alignment system Two color lasers in IR/FIR (CO  m, CH 3  m) IR/FIR detectors, modulators IR/FIR optics (beam splitters, wave plates, etc)

11 DiagnosticsPPPL 11 Residual Gas Analyzers Pumping duct (1 of 4) Within CryostatOutside Cryostat RGA sensor heads with radiation-hardened electronics, magnetic shields Penning gauges with optical fiber and high-resolution spectrometers, optical detectors Turbomolecular pumps, vacuum components, calibrated leaks

12 DiagnosticsPPPL 12 Schedule/Responsibilities A prerequisite for major diagnostic design effort is the renegotiation of the PP’s to resolve existing scope ambiguities and clarify stakeholder roles/responsibilities and permitting detailed design to begin. In the present plan, most procurements would be made during the fabrication phase from FY10 - FY12. As partner lab responsible for diagnostics, PPPL will subcontract with other experienced institutions to provide the instruments. PPPL will design the port plugs, will integrate the ‘front-ends’ from multiple systems, and will oversee the fabrication, assembly and testing of the plugs.


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