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ODI Project Status. 30 Sep 2008. ODI Tasks. Corrector Optics ADCs Lens 1 Lens 2 AR Coatings OTA Detector Fabrication Lot 3 Lot 4 OTA Packaging and Testing. ODI Tasks (2 of 4). Filters ISP Forward Corrector ADC Assembly Filter Mechanism Shrouds Bonn Shutter. ODI Tasks (3 of 4).

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odi tasks
ODI Tasks
  • Corrector Optics
    • ADCs
    • Lens 1
    • Lens 2
    • AR Coatings
  • OTA Detector Fabrication
    • Lot 3
    • Lot 4
  • OTA Packaging and Testing
odi tasks 2 of 4
ODI Tasks (2 of 4)
  • Filters
  • ISP
    • Forward Corrector
    • ADC Assembly
    • Filter Mechanism
    • Shrouds
    • Bonn Shutter
odi tasks 3 of 4
ODI Tasks (3 of 4)
  • Dewar Assembly
    • Dewar Window Assembly
    • Dewar Vessel and Backplate
    • Focal Plane Assembly
    • Thermal Management System
    • Vacuum System
    • Electronics Controller Packaging
    • Cable Wrap Assembly
odi tasks 4 of 4
ODI Tasks (4 of 4)
  • Instrument Controllers
    • ADC
    • Filter Mechanism
    • Thermal Management System
    • Vacuum System Monitor
  • OTA Controller
  • ODI Software
  • Integration & Test
  • Commissioning Support
optics
Optics
  • Optics Contract with SESO
    • WIYN provided PBL6Y for two prisms
    • SESO provides
      • Fused Silica for two prisms
      • Polishing of four ADC prisms
      • Lens 1 Aspheric Lens
      • Lens 2 Dewar Window - Concave/Convex spherical/spherical lens
  • AR Coatings Contract with Infinite Optics
    • Delivery two months from receipt of optics
optics 2 of 2
Optics (2 of 2)
  • Status
    • ADCs scheduled for delivery in Oct 08
    • Lens 1 scheduled for delivery in Dec 08
    • Lens 2 scheduled for delivery in Dec 08
    • Test of SESO test optics by CGH end of Sep 08
ota production
OTA Production
  • Contract with Semiconductor Technology Associates (STA) fabrication by Dalsa
  • Lot 3 OTAs
      • Incorporated design changes from Lot 2
      • 12 wafers/ 48 OTAs
      • Packaged thick test devices
      • 4 OTAs unthinned OTAs for QUOTA
  • Lot 4 OTAs
    • Changed to higher resistivity material
    • Completed 35 of 48 wafers with 52 good devices
    • Successfully tested at University of Hawaii
    • STA/Dalsa to produce 12 more wafers at no additional cost
ota packaging
OTA Packaging
  • Contract with U of AZ, ITL to package, characterize, and mount OTAs on Focal Plate
    • Packaging delays due to ceramic contractor
    • Production equipment and employees in place
    • Test facility in place
    • First packaged devices in Nov 08
    • Delivery of populated focal plate Oct 09 on Critical Path
filters
Filters
  • Planned six filters
    • g,r,i,z filter set
    • H-alpha
    • U band
  • RFP currently at vendors
  • Need one filter by Jul 09 for on-telescope optics test
isp hemi
ISP (HEMI)
  • Forward Corrector remaining tasks
    • Final machining for Lens 1 Mount
    • Blackening
  • ADC Mechanism remaining tasks
    • Final Bores for Filter Swing Arm axles
    • Mount motor drive assemblies
    • Optics cells final machining
isp hemi 2 of 3
ISP (HEMI) (2 of 3)
  • Filter Mechanism
    • Swing Arms completed
    • 1 of 3 motor drive and swing arm assemblies completed
    • Fabrication of Filter Holders started
    • Axles completed
  • Shrouds
    • Fabricated
    • Awaiting final assembly
isp hemi 3 of 3
ISP (HEMI) (3 of 3)
  • Bonn Shutter
    • Contract with University of Bonn
    • Delivery scheduled for Feb 2009
dewar assembly
Dewar Assembly
  • Gary will cover in detail
instrument controllers
Instrument Controllers
  • ADC Controllers
    • Fabricated awaiting integration with ADCs
  • Filter Arm Controllers
    • Fabricated awaiting integration with Filter drives
  • Thermal Management Controller
    • Temperature sensor multiplexer built
    • Design of temperature controller started
  • Vacuum System monitor
ota controller
OTA Controller
  • Contract with IfA @ University of Hawaii for Stargrasp controllers
  • Delivery of 64-channel prototype scheduled for Oct 08
  • Delivery of 256-channel controller in Feb 09
  • Delivery of additional 256-channel controller in May 09
odi software
ODI Software
  • Delayed by change from MONSOON OTA controller to StarGrasp Controller
  • Software architecture completed, some prototypes completed, but being revisited to see what we can reuse from other projects
  • Design review planned for 19-20 Nov 08
integration and test
Integration and Test
  • ODI Strategy: Integrate and test as components become available
  • Three phase ISP integration
    • Without optics – now thru March 09
    • With optics – March 09 thru July 09
    • Telescope test of optics – Aug 09
  • Three phase Dewar integration
    • Thermal tests without detectors – Apr thru Aug 09
    • Vacuum tests with Dewar window, without populated focal plane – Sep 09
    • Tests with populated focal plane – Oct 09 thru Feb 09
commissioning support
Commissioning Support
  • Provide engineering support during ODI Commissioning
dewar expenses vs etc budget
Dewar Expenses vs. ETC Budget

* Based on Estimate to Complete May 08

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