SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Fraser Clarke

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Instrument Overview Iz-band image slicer IFU with 44x89 spatial pixels Three pixel scales (FoV); –0.24” (21x10”) - no-AO, PALAO-LGS/NGS –0.16” (14x7”) - bright PALAO-NGS –0.08” (7x3.5”) - PALM3K R~4000 spectra from Å in one shot (fixed format) Available 2008B onwards

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Instrument Overview Sensitivity Assumptions –AO delivering 50% EE in 0.5” –0.24” pixel scale –S:N=5 in 3600s ( 3x1200s exposures) per spectral bin Point source Summing four 0.24” spaxels 8000Å Surface brightness per 0.24” spaxel 1.3E-17 erg/s/cm 2 /  9500Å

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Overall SWIFT Optical Layout Only one spectrograph shown

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report SWIFT on PALAO

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Current Progress - Optics All of the optics, bar two lenses, are now in house The image slicer (Winlight Systems) was delivered in September, and looks very good

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Image Slicer Output slit image Slicer stack Pupil mirrors Lenset array

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Image Slicer mm thick slices optically contacted into stack Gold coated

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Image Slicer Image below shows the output of (one-side of) the image slicer showing the staggered slitlet pattern

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Grism Prism-VPH-Prism sandwich

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Mechanics Majority of mechanics being manufactured in house at Oxford Mounting pads, baseplate, pre-optics super-structure ready. Novel diamond-turned lens mounts now in production

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Baseplate and clamps

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Camera Barrels

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Test Cryostat Made in-house Exceeds 36 hour hold-time requirement Real cryostats starting production next week

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Detectors LBNL red-sensitive detectors require some development with SDSU-III controller (Tim Goodsall) Recently got front-side illuminated device working warm

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Detectors

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Detectors First image from Front-Side CCD

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Schedule Original schedule was for O-SWIFT to be commissioned by end of March 2008 We have slipped from this by about 3 months –Slower in design and mechanics manufacturing than expected Still in-line with PALAO relayout schedule, and TAC commissioning slots

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report

SWIFT Team University of Oxford 12 th November 2007O-SWIFT Progress Report Early June