1. 1 FRIDA Engineering Status 17/05/07 Engineering Status May 17, 2007 F.J. Fuentes InFraRed Imager and Dissector for Adaptive Optics

2. 2 FRIDA Engineering Status 17/05/07 FRIDA: An International Project

3. 3 FRIDA Engineering Status 17/05/07 IAC Engineering Team M. A. Prieto Head of the IAC Group J. PatrónIAC Project Manager F.J. FuentesSystem Engineer & Technology Transfer J. J. DíazHead of Control Group P. LópezControl Group F. GagoControl Group

4. 4 FRIDA Engineering Status 17/05/07 IAC Work Packages System Engineering Specifications & EBs Management System Architecture Interfaces Management Quality Assurance Trade-Off Studies Engineering Models RAM Analysis Risk Analysis Maintenance/Users Manuals Configuration Control & Project Intranet

5. 5 FRIDA Engineering Status 17/05/07 IAC Work Packages Tehcnology Transfer Management of Prototypes Plan Grating Carrousel Protype Mode Switching Mechanism Prototype Focus Mechanism Prototype Lens Barrel Prototype FCTF (Frida Cold Test Facility)

6. 6 FRIDA Engineering Status 17/05/07 IAC Work Packages Control SoftwareDefinition of Control Packages DAS (Data Acquisition System) CO (Coordinated Operations) OPMT (Observing Program Management Tools) High Level Mechanisms Control Hard/Soft

7. 7 FRIDA Engineering Status 17/05/07 IAC Work Packages DetectorHawaii-II characterization Detector Controller Fan-out Board

8. 8 FRIDA Engineering Status 17/05/07 FRIDA in GTC GTC AO SYSTEM (Room Temp) FRIDA (77 K) GTC NASMYTH M2 corrects tip/tilt AO system corrects higher orders. S-H WFS Cryogenic instrument Diffraction limited optics

9. 9 FRIDA Engineering Status 17/05/07 Imaging Mode Concept

10. 10 FRIDA Engineering Status 17/05/07 IFS Mode Concept

11. 11 FRIDA Engineering Status 17/05/07 Engineering Key Points (I)  Infrared Instrument Cryogenics using a large cryostat (> 1 cubic meter) Complex optical system Diffraction limited (high Strehl values requested @ imaging and spectroscopy modes) Relatively large FOV in imaging mode (up to 41x41 arcsec) High throughput requested Integral Field Spectrograph An Integral Field Unit is needed (very complex all-reflective optical system @ 77K, field slicer, diffraction limited) Complex mechanical system Very high stability and repeatability of the final image on the detector is requested

12. 12 FRIDA Engineering Status 17/05/07 Engineering Key Points (II) Imaging and Integral Field Spectroscopy Simultaneous Modes A large number of cold subsystems inside the cryostat Three imaging scales Large number of lenses and a cold mechanism to change camera barrels Low, medium and high spectral resolutions Cold grating carrousel mounting an imaging mirror and 7 gratings (~100x45 mm) 2 dof needed to tilt the high resolution gratings

13. 13 FRIDA Engineering Status 17/05/07 Optical Layout (Imaging Mode)

14. 14 FRIDA Engineering Status 17/05/07 Optical Layout (IFS Mode)

15. 15 FRIDA Engineering Status 17/05/07 Integral Field Unit (IFU) Concept

16. 16 FRIDA Engineering Status 17/05/07 FRIDA IFU Layout FOV between 0.66x0.60 arcsec and 2.64x2.40 arcsec 30 slice mirrors (cylindrical). 66 pixels/slice 30 pupil mirrors (off-axis spheres), round aperture 30 field mirrors (spherical), rectangular aperture Relay optics adapts the input scale to the slices size (~350  m) Total IFU amplification is x1 IFU is nearly telecentric (pupil plane on the grating surface for all cameras) Design similar to FISICA (UF)

17. 17 FRIDA Engineering Status 17/05/07 FRIDA IFU Envelope

18. 18 FRIDA Engineering Status 17/05/07 FISICA IFU Layout Seeing limited 22 slice mirrors Cryogenic All-aluminum. Diamond turned mirrors. Self-aligned from manufacturing

19. 19 FRIDA Engineering Status 17/05/07 FISICA IFU Layout Slicer Mirrors

20. 20 FRIDA Engineering Status 17/05/07 FISICA IFU Layout Pupil and Field Mirrors

21. 21 FRIDA Engineering Status 17/05/07 FISICA IFU Layout

22. 22 FRIDA Engineering Status 17/05/07 Optical Bench Layout Optical Bench Size: 1800x950 mm Cryostat Envelope: 1950x1100 mm

23. 23 FRIDA Engineering Status 17/05/07 Camera Wheel Layout

24. 24 FRIDA Engineering Status 17/05/07 Grating Carrousel Wheel Layout

25. 25 FRIDA Engineering Status 17/05/07 Focal Plane Wheel

26. 26 FRIDA Engineering Status 17/05/07 Camera Wheel

27. 27 FRIDA Engineering Status 17/05/07 Lens Barrel Design

28. 28 FRIDA Engineering Status 17/05/07 Project Status (I)  Operational Concepts Documents, including the science case and the science top-level requirements, is finished  Issue 1.A of FRIDA Observing Modes is finished. Software use cases are being developed  Optical Design is finished, including a proposal of IFU configuration  IFU optomechanical design is in progress  Cryogenic tests have been made on materials for IFU mirrors other than Al 6061  FRIDA System Specifications are under internal review  The instrument Product Tree is established. All subsystems are well defined at functional and envelope levels  A preliminary proposal for the instrument architecture is established and is being analysed according the established layout requirements  Preliminary top-down error budgets are being developed

29. 29 FRIDA Engineering Status 17/05/07 Project Status (II)  The scope and content of FRIDA subsystem specifications is being defined  A preliminary design has been established for the Focal Plane Wheel, the Camera Wheel and the Lens Barrels, based on existing LIRIS/EMIR concepts  A preliminary proposal of cryogenic cabling layout is being defined  Definition and scope of 3-D, structural, thermal and thermoelastic models is established  The following Ansys models are being developed: FRIDA steady-state thermal model (thermal power budget) Cold Bench steady-state thermal model (temp distribution)  Procurement specifications for Al 6061 are established  Material procurement and thermal treatment tests are in progress  The preliminary integration and acceptance plan at system level is being defined

30. 30 FRIDA Engineering Status 17/05/07 FRIDA Intranet  32 registered users  218 project documents  Archived documentation includes:  Applicable documents (reference, standards and GTC documents)  Component datasheets  Document templates  Engineering models  Pictures gallery  Project documents (draft and released)

31. 31 FRIDA Engineering Status 17/05/07 FRIDA Intranet