OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture,...

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


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


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)



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


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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)



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


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


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


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



10

862

12 CCW4

11

1

3 5

7

9


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



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


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



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


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)


• 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


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



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


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)




7

9113


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


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



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


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)




10

1226


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


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



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



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



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





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



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



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





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



LMIRCam Filter Wheel #1 LMIRCam Filter Wheel #2

OFD 33

Pics of LMIRCam FW#3&4





LMIRCam Filter Wheel #3 LMIRCam Filter Wheel #4

OFD 34

Pics of NOMIC FW#1&2





NOMIC Filter Wheel #1 NOMIC Filter Wheel #2

OFD 35

Pics of CNM Slide


• Slide is retracted (Home)



Combined Nulling Mirror Slide (back) Combined Nulling Mirror Slide (front)

OFD 36

Pic of NOMIC FS Slide



NOMIC Field Stop Slide

OFD 37

Pic of NOMIC Pupil Wheel



NOMIC Pupil Wheel

OFD 38

Pic of LMIRCam FS Wheel



LMIRCam Field Stop Wheel

OFD 39

Pics of NOMIC Detector Mount

+ =

+ =+

Date post:	14-Dec-2015
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OFD 1 Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona NIC Aperture,...

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