ofd 1 oli durney lbti optical engineer steward observatory university of arizona nic aperture,...
TRANSCRIPT
OFD 1
Oli DurneyLBTI Optical EngineerSteward ObservatoryUniversity of Arizona
NIC Aperture, Pupil, and Filter Wheel Positions
Rev. 3.3November 3, 2011
OFD 2
Revision History (1) PowerPoint File Name Version Date Modified Changes from Previous Version
NIC Mechanisms
NIC Wheel Positions v1.0.ppt 1.0 01-26-11 Original version, PhaseCam wheels (Pupil, FW1, FW2, ND)
NIC Wheel Positions v1.1.ppt 1.1 01-27-11 Include CAD drawing of ND wheel, added Prism & Optics wheels
NIC Wheel Positions v1.2.ppt 1.2 02-01-11 Flip Prism and Optics CAD orientations, colorize filters, change titles
NIC Wheel Positions v1.3.ppt 1.3 02-03-11 Update Notes, add Optics & Prism cell exploded views, add NAC wheel, re-order slides
NIC Wheel Positions v1.4.ppt 1.4 02-15-11 Add LMIRCam Filter wheels #1-4, add LMIRCam Aperture wheel
NIC Wheel Positions v1.5.ppt 1.5 02-21-11 Revise ‘drawn as’ comment, add red circle for optical axis and Note
NIC Wheel Positions v1.6.ppt 1.6 03-08-11 Change filters in LMIRCam FW#2
NIC Wheel Positions v1.7.ppt 1.7 04-20-11 Add Large & Small Beam Diverter, Image Dichroic, ID 3D view, Left & Right Shutter
NIC Wheel Positions v1.8.ppt 1.8 04-20-11 Add ‘controlled by’ comment, add NAC Source
NIC Wheel Positions v1.9.ppt 1.9 04-22-11 Add Shutter 3D views
NIC Wheel Positions v2.0.ppt 2.0 04-28-11 Reverse rotation direction and order of NAC wheel, add pinholes in Pos 3 & 6
NIC Wheel Positions v2.1.ppt 2.1 04-29-11 Reverse rotation direction and order of LMIRCam FW#2, Add Revision History
NIC Wheel Positions v2.2.ppt 2.2 05-03-11Add ‘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 2.3 09-19-11 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 2.4 10-04-11Re-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 Name Version Date Modified Changes from Previous Version
NIC Mechanisms
NIC Wheel Positions v2.4.ppt 2.4 10-04-11Re-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 2.5 10-07-11After 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 2.6 10-12-11Re-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 2.7 10-19-11Add 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 2.8 10-19-11
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 2.9 10-21-11Install 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 3.0 10-25-11Added 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 3.1 10-26-11 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 Name Version Date Modified Changes from Previous Version
NIC Mechanisms
NIC Wheel Positions v3.2.ppt 3.2 10-27-11 Add Revision History page3 (slide 4), change colorized ISO views to CNM & colorize mirror (slide 23)
NIC Wheel Positions v3.3.ppt 3.3 11-3-11 Add two (2) ND filters to LMIRCam FW#2 Pos8&9 , they were installed on 10-20-11 but not documented in Slide 18
OFD 5
PhaseCam ND WheelComments• Neutral Density filter set: P/N FX90-0100 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
Position Steps Description Dimensions1 (Home) 0 Open f=25.4mm
2 OD=0.50, T=31.62% f=25.4mm, t=1mm
3 OD=1.00, T=10.00% f=25.4mm, t=1mm
4 OD=2.00, T=1.00% f=25.4mm, t=1mm
5 OD=3.00, T=0.10% f=25.4mm, t=1mm
NOTE: Pos 1 will be replaced with an A/R coated ZnSe window
1
2
34
5
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 WheelComments• CaF2 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
Position Steps Description Dimensions1 (Home) 0 Open Open
2 Dual Large Lenses f=9.5mm, t=2.8mm
3 Open Open
4 Mixed Large/Small f=9.5mm, t=2.8mm
Lenses f=8.5mm, t=2.8mm
5 Open Open
6 Dual Small Lenses f=8.5mm, t=2.8mm
43
1
5
2
6
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 – CellsDual Large Lenses Dual Small LensesMixed Large/Small Lenses
OFD 8
PhaseCam Prism WheelComments• 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
Position Steps Description Dimensions1 (Home) 0 Open Open
2 Dual Triplet Prisms 12x12mm
3 H Filter f=25.4mm
4 Single Triplet Prism 12x12mm
with H Filter
5 K Filter f=25.4mm
6 Single Triplet Prism 12x12mm
with K Filter
CW1 4
5
23
6
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 – CellsDual Triplet Prisms Single Triplet Prism with Filter
OFD 10
NOMIC Field Stop SlideComments• 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
Position Steps Name Size1 (Home) 0 Open 28.5x28.5mm
2 -90,000 0.340mm Slit 28.5x28.5mm
3 -178,000 0.170mm Slit 28.5x28.5mm
NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Slide is in the Home position
Move+ -
123
OFD 11
NOMIC Filter Wheel #1Comments• 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 #6
10
1226
8 CWPosition Steps Name Size1 (Home) 0 Open 25.4mm
2 +50,000 W01641-6 (1.55-1.74 mm) 25.4mm
3 +10,0000 Bottom Half-moon with ZnSe Blocker 25.4mm
4 +150,000 Top Half-moon with ZnSe Blocker 25.4mm
5 +200,000 ZnSe Blocker 25.4mm
6 +250,000 Open 25.4mm
7 +300,000 Open 25.4mm
8 +350,000 Open 25.4mm
9 +400,000 Open 25.4mm
10 +450,000 Pupil Imaging Lens 12.7mm
11 +500,000 Open 25.4mm
12 +550,000 Open 25.4mm
49
7
5 3
1
11
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 #2Comments• 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 #5
10
862
12 CCW4
11
1
3 5
7
9
NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when the Wheel is in the Home position
Position Steps Name Size1 (Home) 0 Open 25.4mm
2 +50,000 N07904-9N (7.55-8.25 mm) 25.4mm
3 +100,000 W08699-9 (8.13-9.35 mm) 25.4mm
4 +150,000 N08909-9O (8.53-9.29 mm) 25.4mm
5 +200,000 N09145-9 (8.74-9.55 mm) 25.4mm
6 +250,000 N09788-9P (9.33-10.25 mm) 25.4mm
7 +300,000 W10288-8 (8.04-14.05 mm) 25.4mm
8 +350,000 W10550-9Q (10.09-11.06 mm) 25.4mm
9 +400,000 N11855-8R (11.29-12.42 mm) 25.4mm
10 +450,000 Open (custom f, no wedge) 28.0mm
11 +500,000 N12520-9S (11.94-13.10 mm) 25.4mm
12 +550,000 Open 25.4mm
3.0
5
OFD 13
6
4
CW
NOMIC Pupil WheelComments• 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
Position Steps Name Size1 (Home) 0 Single 2.30mm 19.05x19.05mm
2 +50,000 12-hole Pattern 19.05x19.05mm
3 +100,000 Spider Annulus 19.05x19.05mm
4 +150,000 Dual 3.05mm 19.05x19.05mm
5 +200,000 Dual 2.54mm 19.05x19.05mm
6 +250,000 Dual 2.30mm 19.05x19.05mm
1
35
2
2.3
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
2.3
2.54
OFD 14
NAC Aperture WheelComments• 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
Position Steps Name Size1 (Home) 0 Open 42.86 x 42.86mm
2 +100,000 Internal Source (using ZnSe Lens and f=25.4mm
45° Fold Mirror
3 +200,000 5 mm Aperture f=25.4mm
4 +300,000 Internal Source ( using Znse Lens) f=25.4mm
5 +400,000 Grid of Pinholes, f=1mm, d=8.94mm 36.46 x 36.46mm
6 +500,000 50 mm Pinhole f=25.4mm1
653
4
2CCW
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 SlideComments• Wires installed on 03-07-11
• 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
Position Steps AWG Size1 30 0.0100”
2 40 0.0310”
3 40 0.0310”
4 48 0.0012”
5 48 0.0012”
6 30 0.0100”
7 40 0.0310”
8 40 0.0310”
9 48 0.0012”
10 48 0.0012”
1
2
3
4
5
6
7
89
10
Move
(Home)
NOTE: Pos 6-10 are not currently working (05-03-11). However, the wires are installed.
1
2
3
4
5
6
7
89
10
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
3CW
LMIRCam Field Stop WheelComments• Motor did not operate during warm test on 10-21-11, 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
Position Steps Name Size1 (Home) Open 44.4x44.4mm
2 Wide Slit (1.27mm) 44.4x44.4mm
3 Combo Slit (0.084 & 0.420mm) 44.4x44.4mm
4 Pinhole, f=0.25mm 44.4x44.4mm
1
2
4
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 #1Comments• Spider annulus & slits installed on 10-19-11
• 12 & 24-Hole patterns installed on 09-16-11, re-installed with new patterns on 10-18-11
• Single & Dual Apertures installed on 01-21-11
• 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 #1
1
1195
3 CCWPosition Steps Name Size1 (Home) 0 Open 25.4mm
2 -50,000 Small Dual Aperture, f~7.19mm 25.4mm
3 -100,000 Large Dual Aperture, f~7.49mm 25.4mm
4 -150,000 DX Aperture, f~8.16mm 25.4mm
5 -200,000 SX Aperture, f~8.21mm 25.4mm
6 -250,000 24-hole Pattern 25.4mm
7 -300,000 12-hole Pattern 25.4mm
8 -350,000 Spider Annulus 25.4mm
9 -400,000 Open 25.4mm
10 -450,000 Open 25.4mm
11 -500,000 Pinhole, f~0.33mm 25.4mm
12 -550,000 Blank 25.4mm
72
4
6 8
10
12
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 #2Comments• Remaining two (2) NOMIC ND filters installed on 10-19-11
• 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 10-05-11
• J, H, & K filters removed from Pos2-4 and installed in FW#3 Pos2-4 on 10-07-11
• All filter retainer rings adjusted on 01-19-11, H & J filters installed on 03-08-11
• 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 #2
7
9113
5 CWPosition Steps Name Size1 (Home) 0 Open 25.4mm
2 -50,000 Blank 25.4mm
3 -100,000 Open 25.4mm
4 -150,000 Open 25.4mm
5 -200,000 Open 25.4mm
6 -250,000 DX Half-moon 25.4mm
7 -300,000 SX Half-moon 25.4mm
8 -350,000 OD=2.0, T=1.00% 25.4mm
9 -400,000 OD=1.0, T=10.00% 25.4mm
10 -450,000 OD=0.30, T=50.12% 25.4mm
11 -500,000 OD=0.15, T=70.79% 25.4mm
12 -550,000 L-cont 3 (3.55-3.64 mm) 25.4mm
16
4
2 12
10
8
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 #3Comments• M filters from FW#2 Pos6&7 installed in Pos 10&11 on 10-07-11
• J-band filter replaced with new J-band filter on 10-07-11 (Phil is suspect of performance)
• H & K filters from FW#2 Pos2-3 installed in Pos3-4 on 10-07-11
• ICE Filters in Pos2-3 moved to Pos5-6 on 10-07-11
• Filters in Pos4-7 removed and installed in FW4 Pos5-8 on 10-07-11
• 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 #3
10
862
12 CCWPosition Steps Name Size1 (Home) 0 Open 25.4mm
2 -50,000 J (1.18-1.36 mm ) 25.4mm
3 -100,000 H (1.50-1.81 mm) 25.4mm
4 -150,000 Ks (2.00-2.32 mm) 25.4mm
5 -200,000 H2O Ice 1 (2.96-3.12 mm) 25.4mm
6 -250,000 H2O Ice 2 (3.01-3.15 mm) 25.4mm
7 -300,000 L-cont 1 (3.13-3.20 mm) 25.4mm
8 -350,000 L-cont 2 (3.39-3.54 mm) 25.4mm
9 -400,000 L-cont 4 (3.68-3.88 mm) 25.4mm
10 -450,000 Std ‘M’ (4.60-4.97 mm) 25.4mm
11 -500,000 M-long (4.60-5.86 mm) 25.4mm
12 -550,000 Blank 25.4mm
411
1
3 5
7
9
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 #4Comments• Filters from FW#3 Pos8-11 installed in Pos9-12 on 10-07-11, FW#3 Pos5 moved to FW#4 Pos2
• Filters from FW#3 Pos4-7 installed in Pos5-8 on 10-07-11
• Pos3 clearanced for PK-50 Blocker, installed on 09-14-11 (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 #4
10
1226
8 CWPosition Steps Name Size1 (Home) 0 Open 25.4mm
2 -50,000 L-spec (2.81-4.00 mm) 25.4mm
3 -100,000 PK-50 Blocker 25.4mm
4 -150,000 Pupil Imaging Lens 12.7mm
5 -200,000 PAH 1 (3.26-3.31 mm) 25.4mm
6 -250,000 PAH 2 (3.38-3.43 mm) 25.4mm
7 -300,000 Br-a (4.02-4.09 mm) 25.4mm
8 -350,000 Br-a off (3.97-4.04 mm) 25.4mm
9 -400,000 L-short (3.10-3.51 mm) 25.4mm
10 -450,000 Std ‘L’ (3.41-3.99 mm) 25.4mm
11 -500,000 L-long 1 (3.51-4.06 mm) 25.4mm
12 -550,000 L-long 2 (3.81-4.05 mm) 25.4mm
49
7
5 3
1
11
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 SlideComments• Temporarily installed by Phil H. on 10-19-11, 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
Position Steps Name Size1 -625,000 CCW Limit -
2 (Home) 0 Mid-travel -
3 +625,000 CW Limit -
Move+ -
123
OFD 22
Combined Nulling Mirror SlideComments• 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
Position Steps Name Size1 (Home) 0 Retracted (out of optical beam) 25x32mm
2 Inserted (into optical beam) 25x32x5mm
Move+ -
21
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 SlideComments• 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
Position Steps Name Size1 +2,475,000 Open 72x57x12.7mm
2 -2,475,000 Large Dichroic 74x58x7mm
1Position 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 SlideComments• 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
Position Steps Name Size1 (Home) 0 Large Dichroic 56x60x2mm
2 +2,800,000 Open 56x60mm
Move
NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when the Slide is in the Home position
- +
12Position of 1 when 2 is centered along the optical axis
OFD 26
Image Dichroic AssemblyFront View
Side View
ISO View
OFD 27
SX (right) ShutterComments• 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
Position Steps Name Size1 (Home) Vertical – half open 20mm
2 Closed 20mm
3 Horizontal – half open 20mm
4 Open 20mm
1 2
3 4NOTE: Optical Axis is shown in red
OFD 28
DX (left) ShutterComments• 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
Position Steps Name Size1 (Home) Vertical – half open 20mm
2 Closed 20mm
3 Horizontal – half open 20mm
4 Open 20mm
1 2
3 4NOTE: Optical Axis is shown in red
OFD 29
Shutter AssembliesDX (left) Shutter SX (right) Shutter
OFD 30
Additional Slides
OFD 31
Small Beam Diverter SlideComments• 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
Position Steps Name Size1 Open 42x30mm
2 (Home) Small Mirror 52x32x9.53mm
3 Small Dichroic 54x38x7mm
2 31
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 10-20-11
• Optical axis is at 6 o’clock
Comments• Photo was taken on 10-20-11
• Optical axis is at 12 o’clock
LMIRCam Filter Wheel #1 LMIRCam Filter Wheel #2
OFD 33
Pics of LMIRCam FW#3&4
Comments• Photo was taken on 10-20-11
• Optical axis is at 9 o’clock
Comments• Photo was taken on 10-20-11
• Optical axis is at 3 o’clock
LMIRCam Filter Wheel #3 LMIRCam Filter Wheel #4
OFD 34
Pics of NOMIC FW#1&2
Comments• Photo was taken on 10-20-11
• Optical axis is at 3 o’clock
Comments• Photo was taken on 10-20-11
• Optical axis is at 9 o’clock
NOMIC Filter Wheel #1 NOMIC Filter Wheel #2
OFD 35
Pics of CNM Slide
Comments• Photo was taken on 10-20-11
• Slide is retracted (Home)
Comments• Photo was taken on 10-20-11
• 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 10-20-11
• Slide is retracted (Home)
NOMIC Field Stop Slide
OFD 37
Pic of NOMIC Pupil Wheel
Comments• Photo was taken on 10-20-11
• Optical axis is at 3 o’clock
NOMIC Pupil Wheel
OFD 38
Pic of LMIRCam FS Wheel
Comments• Photo was taken on 10-20-11
• Optical axis is at 3 o’clock
LMIRCam Field Stop Wheel
OFD 39
Pics of NOMIC Detector Mount
+ =
+ =+