Presentation is loading. Please wait.

Presentation is loading. Please wait.

OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture, Pupil, and Filter Wheel Positions Rev. 1.6 March 7, 2011.

Similar presentations


Presentation on theme: "OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture, Pupil, and Filter Wheel Positions Rev. 1.6 March 7, 2011."— Presentation transcript:

1 OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture, Pupil, and Filter Wheel Positions Rev. 1.6 March 7, 2011

2 OFD 2 ND Wheel - Assembly Neutral Density filter set: P/N FX from Janos Technology Drawn as viewed with cover plate removed from Access Port side (side facing PICNIC Detector) CW rotation of motor = CW rotation of wheel PositionDescriptionDimensions 1 (Home)Open  =25.4mm 2 OD=0.50, T=31.62%  =25.4mm, t=1mm 3 OD=1.00, T=10.00%  =25.4mm, t=1mm 4 OD=2.00, T=1.00%  =25.4mm, t=1mm 5 OD=3.00, T=0.10%  =25.4mm, t=1mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position, Pos 1 will be replaced with an A/R coated ZnSe window CW

3 OFD 3 Optics Wheel – Assembly CaF 2 re-imaging lenses from ISP Optics Drawn as viewed with cover plate removed from flat side (side facing PICNIC Detector) CW rotation of motor = CW rotation of wheel NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position PositionDescriptionDimensions 1 (Home)OpenOpen 2 Dual Large Lenses  =9.5mm, t=2.8mm 3 OpenOpen 4 Mixed Large/Small  =9.5mm, t=2.8mm Lenses  =8.5mm, t=2.8mm 5 OpenOpen 6Dual Small Lenses  =8.5mm, t=2.8mm CW

4 OFD 4 Optics Wheel – Cells Dual Large LensesDual Small LensesMixed Large/Small Lenses

5 OFD 5 Prism Wheel - Assembly Neutral Density filter set: P/N FX from Janos Technology Drawn as viewed with cover plate removed from Baffle Tube side (side facing Field Lenses) CW rotation of motor = CW rotation of wheel PositionDescriptionDimensions 1 (Home)OpenOpen 2 Dual Triplet Prisms12x12mm 3 H Filter  =25.4mm 4 Single Triplet Prism12x12mm with H Filter 5 K Filter  =25.4mm 6Single Triplet Prism12x12mm with K Filter CW NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position

6 OFD 6 Prism Wheel – Cells Dual Triplet PrismsSingle Triplet Prism with Filter

7 OFD 7 NAC Aperture Wheel ZnSe lenses and mirror from Edmund Optics Drawn as viewed from cryostat Window side CW rotation of motor = CW rotation of wheel PositionNameSize 1 (Home)Open42.86 x 42.86mm 2 Open  =25.4mm 3 3x3 Grid of Pinholes36.46 x 36.46mm  =1mm, d=8.94mm 4 Znse Lens  =25.4mm 5 Open  =25.4mm 6ZnSe Lens and 45°  =25.4mm Fold Mirror NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position CW

8 OFD 8 LMIRCam Filter Wheel #1 Single Apertures installed on Drawn as viewed with cover plate removed from Baffle Tube side (side facing LMIRCam Dichroic) CW rotation of motor = CCW rotation of wheel CCW PositionNameSize 1 (Home)Open25.4mm 2 Small Dual Aperture  ~7.19mm 3 Large Dual Aperture  ~7.49mm 4 Left Aperture  ~8.16mm 5 Right Aperture  ~8.21mm 6Open25.4mm 7Open25.4mm 8Open25.4mm 9Open25.4mm 10Open25.4mm 11Pinhole~0.33mm 12Blank25.4mm NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position

9 OFD 9 LMIRCam Filter Wheel #2 All filter retainer rings adjusted on , H & J filters installed on Drawn as viewed with cover plate removed from flat side (side facing LMIRCam Baseplate) CW rotation of motor = CW rotation of wheel CW PositionNameSize 1 (Home)Open25.4mm 2 Blank25.4mm 3 L-short (  m)25.4mm 4 Std ‘L’ (  m) 25.4mm 5 L-long 1 (  m)25.4mm 6L-long 2 (  m)25.4mm 7Std ‘M’ (  m)25.4mm 8M-long (  m)25.4mm 9L-spec (  m)25.4mm 10J (  m )25.4mm 11H (  m)25.4mm 12K s (  m) 25.4mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position

10 OFD 10 LMIRCam Filter Wheel #3 New filter (Pos 10) installed on May 11, 2010 Drawn as viewed with cover plate removed from Baffle Tube side (side facing Biconic #2) CW rotation of motor = CCW rotation of wheel CCW PositionNameSize 1 (Home)Open25.4mm 2 H 2 O Ice 1 (  m)25.4mm 3 H 2 O Ice 2 (  m)25.4mm 4 PAH 1 (  m)25.4mm 5 PAH 2 (  m)25.4mm 6Br-  (  m) 25.4mm 7Br-  off (  m) 25.4mm 8L-cont 1 (  m) 25.4mm 9L-cont 2 (  m) 25.4mm 10L-cont 3 (  m) 25.4mm 11L-cont 4 (  m) 25.4mm 12Blank NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position

11 OFD 11 LMIRCam Filter Wheel #4 PK-50 Blocker not installed because of OD clearance concern (substrate delivered with 2 chips) Drawn as viewed with cover plate removed from Baffle Tube side (side facing detector) CW rotation of motor = CW rotation of wheel CW PositionNameSize 1 (Home)Open25.4mm 2 Blank25.4mm 3 PK-50 Blocker25.4mm 4 Pupil Imaging Lens (ZnSe)12.7mm 5 Open25.4mm 6Open25.4mm 7Open25.4mm 8Open25.4mm 9Open25.4mm 10Open25.4mm 11Open25.4mm 12Open25.4mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position

12 OFD CW LMIRCam Aperture Wheel New filter (Pos 10) installed on May 11, 2010 Drawn as viewed with cover plate removed from side opposite cryo-motor (side facing Biconic #2) CW rotation of motor = CW rotation of wheel PositionNameSize 1 (Home)Open50.8x50.8mm 2 Open50.8x50.8mm 3 Pinhole1mm? 4 Blank50.8x50.8mm 1 2 NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Download ppt "OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture, Pupil, and Filter Wheel Positions Rev. 1.6 March 7, 2011."

Similar presentations


Ads by Google