OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture, Pupil, and Filter Wheel Positions Rev. 3.3 November 3, 2011

OFD 2 Revision History (1) PowerPoint File NameVersionDate Modified Changes from Previous Version NIC Mechanisms NIC Wheel Positions v1.0.ppt Original version, PhaseCam wheels (Pupil, FW1, FW2, ND) NIC Wheel Positions v1.1.ppt Include CAD drawing of ND wheel, added Prism & Optics wheels NIC Wheel Positions v1.2.ppt Flip Prism and Optics CAD orientations, colorize filters, change titles NIC Wheel Positions v1.3.ppt Update Notes, add Optics & Prism cell exploded views, add NAC wheel, re-order slides NIC Wheel Positions v1.4.ppt Add LMIRCam Filter wheels #1-4, add LMIRCam Aperture wheel NIC Wheel Positions v1.5.ppt Revise ‘drawn as’ comment, add red circle for optical axis and Note NIC Wheel Positions v1.6.ppt Change filters in LMIRCam FW#2 NIC Wheel Positions v1.7.ppt Add Large & Small Beam Diverter, Image Dichroic, ID 3D view, Left & Right Shutter NIC Wheel Positions v1.8.ppt Add ‘controlled by’ comment, add NAC Source NIC Wheel Positions v1.9.ppt Add Shutter 3D views NIC Wheel Positions v2.0.ppt Reverse rotation direction and order of NAC wheel, add pinholes in Pos 3 & 6 NIC Wheel Positions v2.1.ppt Reverse rotation direction and order of LMIRCam FW#2, Add Revision History NIC Wheel Positions v2.2.ppt Add ‘Steps’ column to all slides, situate ‘Home’ in between Pos 5&6 on NAC slide, revise text on Image Dichroic slide, add red optical axis to all other slides, revise ‘Note’ accordingly NIC Wheel Positions v2.3.ppt Add 12-hole and 24-hole aperture masks in Pos 6&7 of LMIRCam FW#1, illustration shows installed orientation of hole patterns NIC Wheel Positions v2.4.ppt Re-order LMIRCam filter positions, move FW#3 Pos 4-7 to FW#4 Pos 5-8, move FW#2 Pos 2-4 to FW#3 Pos 4-7, replace J-band with new J- band (Phil says its defective?), reduce font size of comments

OFD 3 Revision History (2) PowerPoint File NameVersionDate Modified Changes from Previous Version NIC Mechanisms NIC Wheel Positions v2.4.ppt Re-order LMIRCam filter positions, move FW#3 Pos 4-7 to FW#4 Pos 5-8, move FW#2 Pos 2-4 to FW#3 Pos 4-7, replace J-band with new J- band (Phil says its defective?), reduce font size of comments NIC Wheel Positions v2.5.ppt After discussing with Phil, the new order includes: remove FW3 Pos10 and place it in FW#2 Pos7, remove all filters from FW#2 and place them in FW#3 & 4, re-order FW#3&4 by ascending wavelength NIC Wheel Positions v2.6.ppt Re-order LIMIRCam FW#2, add NOMIC FW#1&2 slides, and ‘Comments’ section title to all slides, decrease table font to 8, add separation line on graphics slides, move all tables down (V=4”) NIC Wheel Positions v2.7.ppt Add NOMIC Pupil Wheel (slide 11), install three (3) dual aperture masks, one (1) single aperture mask, 12-hole pattern, and spider annulus NIC Wheel Positions v2.8.ppt Switch NOMIC FW#1&2, re-order FW#2 for CCW rotation, install half-moon apertures & ZnSe blockers in NOMIC FW#1, re-order & install half-moon apertures (no blockers) in LMIRCam FW#2, install spider annulus & slits in LMIRCam FW#1, mask extra hole in 12-hole pattern of NOMIC Pupil Wheel with a small piece of mylar tape NIC Wheel Positions v2.9.ppt Install PIL in NOMIC FW#1 Pos10, change ‘Aperture’ to ‘Field Stop’ in slide titles, fill-in Step count for all slides, specify ‘External’ or ‘Cryo’ motor in Comments, switch LMIRCam slits from FW#1 to Field Stop, re-order Field Stop & remove Blank NIC Wheel Positions v3.0.ppt Added NOMIC Field Stop Slide (slide 9) and NBS/CW Slide (slide 20), rename titles of PhaseCam slides, add Steps to tested mechanisms, add Move arrows, add Dichroic gradient for ID, add CNM Slide (slides 21&22) NIC Wheel Positions v3.1.ppt Add pics of mechanisms (slides 31-38), switch rotation order (CCW to CW) of LMIRCam FW#2 (slide 17), change names for Pos2&4 for NAC Wheel, change names of Pos6&7 of LMIRCam FW#2

OFD 4 Revision History (3) PowerPoint File NameVersionDate Modified Changes from Previous Version NIC Mechanisms NIC Wheel Positions v3.2.ppt Add Revision History page3 (slide 4), change colorized ISO views to CNM & colorize mirror (slide 23) NIC Wheel Positions v3.3.ppt Add two (2) ND filters to LMIRCam FW#2 Pos8&9, they were installed on but not documented in Slide 18

OFD 5 PhaseCam ND Wheel Comments Neutral Density filter set: P/N FX from Janos Technology, remaining two (2) ND filters installed in LMIRCam FW#2 Drawn as viewed with cover plate removed from Access Port side (side facing PICNIC Detector) CW rotation of motor = CW rotation of wheel Controlled by NIC External Motor Controller, Drive #1 PositionStepsDescriptionDimensions 1 (Home)0Open  =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: Pos 1 will be replaced with an A/R coated ZnSe window CW NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 6 PhaseCam Optics Wheel Comments 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 Controlled by NIC External Motor Controller, Drive #2 PositionStepsDescriptionDimensions 1 (Home)0OpenOpen 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 NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 7 Optics Wheel – Cells Dual Large LensesDual Small LensesMixed Large/Small Lenses

OFD 8 PhaseCam Prism Wheel Comments Drawn as viewed with cover plate removed from Baffle Tube side (side facing Field Lenses) CW rotation of motor = CW rotation of wheel Controlled by NIC External Motor Controller, Drive #3 PositionStepsDescriptionDimensions 1 (Home)0OpenOpen 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 the Wheel is in the Home position

OFD 9 Prism Wheel – Cells Dual Triplet PrismsSingle Triplet Prism with Filter

OFD 10 NOMIC Field Stop Slide Comments Drawn as viewed with cover plate removed (side facing Imaging Mirror 3) Total travel of slide = 181,000 steps CW rotation of motor = translation of the slide toward NOMIC PCB extension board Negative (-) step command = CW rotation of motor Controlled by NIC External Motor Controller, Drive #8 PositionStepsNameSize 1 (Home)0Open28.5x28.5mm 2 -90, mm Slit28.5x28.5mm 3-178, mm Slit28.5x28.5mm NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Slide is in the Home position Move

OFD 11 NOMIC Filter Wheel #1 Comments Drawn as viewed with cover plate removed from flat side (side facing Pupil Wheel) CCW rotation of motor = CW rotation of wheel Positive (+) step command = CCW rotation of motor Controlled by NIC External Motor Controller, Drive # CW PositionStepsNameSize 1 (Home)0Open25.4mm 2 +50,000W (  m) 25.4mm 3 +10,0000Bottom Half-moon with ZnSe Blocker25.4mm ,000Top Half-moon with ZnSe Blocker25.4mm ,000ZnSe Blocker25.4mm 6+250,000Open25.4mm 7+300,000Open25.4mm 8+350,000Open25.4mm 9+400,000Open25.4mm ,000Pupil Imaging Lens12.7mm ,000Open25.4mm ,000Open25.4mm NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 12 NOMIC Filter Wheel #2 Comments Drawn as viewed with cover plate removed from Baffle Tube side (side facing Detector) CCW rotation of motor = CCW rotation of wheel Positive (+) step command = CCW rotation of motor Controlled by NIC External Motor Controller, Drive # CCW NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position PositionStepsNameSize 1 (Home)0Open25.4mm 2 +50,000N N (  m) 25.4mm ,000W (  m)25.4mm ,000N O (  m) 25.4mm ,000N (  m) 25.4mm 6+250,000N P (  m) 25.4mm 7+300,000W (  m) 25.4mm 8+350,000W Q (  m) 25.4mm 9+400,000N R (  m) 25.4mm ,000Open (custom , no wedge)28.0mm ,000N S (  m) 25.4mm ,000Open25.4mm

3.05 OFD CW NOMIC Pupil Wheel Comments Drawn as viewed with cover plate removed from baffle tube side (side facing Biconic #2) CCW rotation of motor = CW rotation of wheel Positive (+) step command = CCW rotation of motor Controlled by NIC External Motor Controller, Drive #7 PositionStepsNameSize 1 (Home)0Single 2.30mm19.05x19.05mm 2 +50,00012-hole Pattern19.05x19.05mm ,000Spider Annulus19.05x19.05mm ,000Dual 3.05mm19.05x19.05mm ,000Dual 2.54mm19.05x19.05mm ,000Dual 2.30mm19.05x19.05mm Red hole is extra and has been masked by a small piece of Mylar tape NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 14 NAC Aperture Wheel Comments ZnSe lenses and mirror from Edmund Optics Drawn as viewed from cryostat Window side CCW rotation of motor = CWW rotation of wheel Positive (+) step command = CCW rotation of motor Controlled by NIC External Motor Controller, Drive #4 PositionStepsNameSize 1 (Home)0Open42.86 x 42.86mm ,000Internal Source (using ZnSe Lens and  =25.4mm 45° Fold Mirror ,0005 mm Aperture  =25.4mm ,000Internal Source ( using Znse Lens)  =25.4mm ,000Grid of Pinholes,  =1mm, d=8.94mm36.46 x 36.46mm 6+500,00050  m Pinhole  =25.4mm CCW NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 15 NAC Source Slide Comments Wires installed on Drawn as viewed from cryostat Window side CW rotation of motor = vertical translation of the slide ?? Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #7 PositionStepsAWGSize ” ” ” ” ” ” ” ” ” ” Move (Home) NOTE: Pos 6-10 are not currently working ( ). However, the wires are installed Back View NOTE: Optical Axis (Exit Port) is shown in red and is located between Positions 6&7 when the Slide is in the Home position + -

OFD 16 3 CW LMIRCam Field Stop Wheel Comments Motor did not operate during warm test on , left in Home position Drawn as viewed with cover plate removed from side opposite cryo-motor (side facing Biconic #2) CW rotation of motor = CW rotation of wheel Controlled by LMIRCam Motor Controller, Drive #8 PositionStepsNameSize 1 (Home)Open44.4x44.4mm 2 Wide Slit (1.27mm)44.4x44.4mm 3 Combo Slit (0.084 & 0.420mm)44.4x44.4mm 4 Pinhole,  =0.25mm44.4x44.4mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 17 LMIRCam Filter Wheel #1 Comments Spider annulus & slits installed on & 24-Hole patterns installed on , re-installed with new patterns on Single & Dual 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 Negative (-) step command = CW rotation of motor Controlled by LMIRCam Motor Controller, Drive # CCW PositionStepsNameSize 1 (Home)0Open25.4mm 2 -50,000Small Dual Aperture,  ~7.19mm25.4mm ,000Large Dual Aperture,  ~7.49mm25.4mm ,000DX Aperture,  ~8.16mm25.4mm ,000SX Aperture,  ~8.21mm25.4mm 6-250,00024-hole Pattern25.4mm 7-300,00012-hole Pattern25.4mm 8-350,000Spider Annulus25.4mm 9-400,000Open25.4mm ,000Open25.4mm ,000Pinhole,  ~0.33mm 25.4mm ,000Blank25.4mm NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 18 LMIRCam Filter Wheel #2 Comments Remaining two (2) NOMIC ND filters installed on M filters (Pos6&7) moved to FW#3 Pos10&11, L-spec (Pos5) moved to FW#4 Pos2, other L filters (Pos8-11) moved to FW#4 Pos9-12 on J, H, & K filters removed from Pos2-4 and installed in FW#3 Pos2-4 on 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 Negative (-) step command = CW rotation of motor Controlled by LMIRCam Motor Controller, Drive # CW PositionStepsNameSize 1 (Home)0Open25.4mm 2 -50,000Blank25.4mm 3-100,000Open25.4mm 4-150,000Open25.4mm 5-200,000Open25.4mm 6-250,000DX Half-moon25.4mm 7-300,000SX Half-moon25.4mm 8-350,000OD=2.0, T=1.00% 25.4mm ,000OD=1.0, T=10.00% 25.4mm ,000OD=0.30, T=50.12%25.4mm ,000OD=0.15, T=70.79%25.4mm ,000L-cont 3 (  m) 25.4mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 19 LMIRCam Filter Wheel #3 Comments M filters from FW#2 Pos6&7 installed in Pos 10&11 on J-band filter replaced with new J-band filter on (Phil is suspect of performance) H & K filters from FW#2 Pos2-3 installed in Pos3-4 on ICE Filters in Pos2-3 moved to Pos5-6 on Filters in Pos4-7 removed and installed in FW4 Pos5-8 on New filter (Pos10) 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 Negative (-) step command = CW rotation of motor Controlled by LMIRCam Motor Controller, Drive # CCW PositionStepsNameSize 1 (Home)0Open25.4mm 2 -50,000J (  m ) 25.4mm ,000H (  m) 25.4mm ,000K s (  m) 25.4mm ,000H 2 O Ice 1 (  m) 25.4mm 6-250,000H 2 O Ice 2 (  m) 25.4mm 7-300,000L-cont 1 (  m) 25.4mm 8-350,000L-cont 2 (  m)25.4mm 9-400,000L-cont 4 (  m)25.4mm ,000Std ‘M’ (  m) 25.4mm ,000M-long (  m) 25.4mm ,000Blank25.4mm NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 20 LMIRCam Filter Wheel #4 Comments Filters from FW#3 Pos8-11 installed in Pos9-12 on , FW#3 Pos5 moved to FW#4 Pos2 Filters from FW#3 Pos4-7 installed in Pos5-8 on Pos3 clearanced for PK-50 Blocker, installed on (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 Negative (-) step command = CW rotation of motor Controlled by LMIRCam Motor Controller, Drive # CW PositionStepsNameSize 1 (Home)0Open25.4mm 2 -50,000L-spec (  m) 25.4mm ,000PK-50 Blocker25.4mm ,000Pupil Imaging Lens12.7mm ,000PAH 1 (  m) 25.4mm 6-250,000PAH 2 (  m) 25.4mm 7-300,000Br-  (  m) 25.4mm 8-350,000Br-  off (  m) 25.4mm 9-400,000L-short (  m) 25.4mm ,000Std ‘L’ (  m) 25.4mm ,000L-long 1 (  m) 25.4mm ,000L-long 2 (  m) 25.4mm NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position

OFD 21 Nulling NBS/CW Slide Comments Temporarily installed by Phil H. on , not aligned Drawn as viewed from top down CW rotation of motor = translation of the slide toward Field Steering Mirror Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #3 PositionStepsNameSize 1-625,000CCW Limit- 2 (Home)0Mid-travel ,000CW Limit- Move

OFD 22 Combined Nulling Mirror Slide Comments Drawn as viewed from top down CW rotation of motor = translation of the slide toward NOMIC Imaging Mirror #2 Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #5 PositionStepsNameSize 1 (Home)0Retracted (out of optical beam)25x32mm 2Inserted (into optical beam)25x32x5mm Move NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 2

OFD 23 CNM Slide Assembly Back View Top View ISO Views Side View

OFD 24 Large Beam Diverter Slide Comments Two (2) possible configurations for the Beam Diverter Slide – Large (2-position) and Small (3-position) Drawn as viewed from entrance Window Total travel of slide = 4,950,000 steps CW rotation of motor = translation of the slide toward radiation shield Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #6 PositionStepsNameSize 1+2,475,000Open72x57x12.7mm 2-2,475,000Large Dichroic74x58x7mm 1 Position of 1 when 2 is centered along the optical axis NOTE: Position 1 nominally houses the Large Mirror. It is currently removed to allow an open path to LMIRCam (Home) NOTE: Optical Axis (Entrance Port) is shown in red and is located between Positions 1&2 when the Slide is in the Home position Move - + 2

OFD 25 Image Dichroic Slide Comments Drawn as viewed from entrance Window Total travel of slide = 2,900,000 steps CW rotation of motor = translation of the slide toward radiation shield Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #1 PositionStepsNameSize 1 (Home)0Large Dichroic56x60x2mm 2 +2,800,000Open56x60mm Move NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Slide is in the Home position Position of 1 when 2 is centered along the optical axis

OFD 26 Image Dichroic Assembly Front View Side View ISO View

OFD 27 SX (right) Shutter Comments Shutter located in front of Fixed Nulling Mirror Drawn as viewed from Biconic #1 CW rotation of motor = CCW rotation of shutter Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #2 PositionStepsNameSize 1 (Home)Vertical – half open20mm 2 Closed20mm 3 Horizontal – half open20mm 4 Open20mm NOTE: Optical Axis is shown in red

OFD 28 DX (left) Shutter Comments Shutter located in front of Field Steering Mirror Drawn as viewed from Pupil Steering Mirror CW rotation of motor = CCW rotation of shutter Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #3 PositionStepsNameSize 1 (Home)Vertical – half open20mm 2 Closed20mm 3 Horizontal – half open20mm 4 Open20mm NOTE: Optical Axis is shown in red

OFD 29 Shutter Assemblies DX (left) ShutterSX (right) Shutter

OFD 30 Additional Slides

OFD 31 Small Beam Diverter Slide Comments Two (2) possible configurations for the Beam Diverter – Large (2-position) and Small (3-position) Drawn as viewed from entrance Window Total travel of slide = 4,950,000 steps CW rotation of motor = translation of the slide toward radiation shield Positive (+) step command = CW rotation of motor Controlled by NIC Cryo Motor Controller, Drive #6 PositionStepsNameSize 1Open42x30mm 2 (Home)Small Mirror52x32x9.53mm 3 Small Dichroic54x38x7mm 231 NOTE: Position 1 is Open when slide is moved to Position 2. It is Small Mirror when slide is moved to Position 3 NOTE: Optical Axis (Entrance Port) is shown in red and is located between Positions 1&2 when the Slide is in the Home position Move - +

OFD 32 Pics of LMIRCam FW#1&2 Comments Photo was taken on Optical axis is at 6 o’clock Comments Photo was taken on Optical axis is at 12 o’clock LMIRCam Filter Wheel #1LMIRCam Filter Wheel #2

OFD 33 Pics of LMIRCam FW#3&4 Comments Photo was taken on Optical axis is at 9 o’clock Comments Photo was taken on Optical axis is at 3 o’clock LMIRCam Filter Wheel #3LMIRCam Filter Wheel #4

OFD 34 Pics of NOMIC FW#1&2 Comments Photo was taken on Optical axis is at 3 o’clock Comments Photo was taken on Optical axis is at 9 o’clock NOMIC Filter Wheel #1NOMIC Filter Wheel #2

OFD 35 Pics of CNM Slide Comments Photo was taken on Slide is retracted (Home) Comments Photo was taken on Slide is retracted (Home) Combined Nulling Mirror Slide (back)Combined Nulling Mirror Slide (front)

OFD 36 Pic of NOMIC FS Slide Comments Photo was taken on Slide is retracted (Home) NOMIC Field Stop Slide

OFD 37 Pic of NOMIC Pupil Wheel Comments Photo was taken on Optical axis is at 3 o’clock NOMIC Pupil Wheel

OFD 38 Pic of LMIRCam FS Wheel Comments Photo was taken on Optical axis is at 3 o’clock LMIRCam Field Stop Wheel

OFD 39 Pics of NOMIC Detector Mount += + = +