NIC Aperture, Pupil, and Filter Wheel Positions
This presentation is the property of its rightful owner.
Sponsored Links
1 / 22

Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona PowerPoint PPT Presentation


  • 136 Views
  • Uploaded on
  • Presentation posted in: General

NIC Aperture, Pupil, and Filter Wheel Positions Rev. 2.3 September 19, 2011. Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona. Revision History. 4. 3. 5. 2. 1. ND Wheel - Assembly. Neutral Density filter set: P/N FX90-0100 from Janos Technology

Download Presentation

Oli Durney LBTI Optical Engineer Steward Observatory University of Arizona

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Oli durney lbti optical engineer steward observatory university of arizona

NIC Aperture, Pupil, and Filter Wheel Positions

Rev. 2.3

September 19, 2011

Oli Durney

LBTI Optical Engineer

Steward Observatory

University of Arizona


Oli durney lbti optical engineer steward observatory university of arizona

Revision History


Oli durney lbti optical engineer steward observatory university of arizona

4

3

5

2

1

ND Wheel - Assembly

  • Neutral Density filter set: P/N FX90-0100 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

  • Controlled by Motor Box #2, Drive #1

PositionStepsDescriptionDimensions

1 (Home)Openf=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

CW

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


Oli durney lbti optical engineer steward observatory university of arizona

3

2

1

4

CW

6

5

Optics Wheel – Assembly

  • 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 Motor Box #2, Drive #2

PositionStepsDescriptionDimensions

1 (Home)OpenOpen

2 Dual Large Lensesf=9.5mm, t=2.8mm

3 OpenOpen

4 Mixed Large/Smallf=9.5mm, t=2.8mm

Lensesf=8.5mm, t=2.8mm

5 OpenOpen

6Dual Small Lensesf=8.5mm, t=2.8mm

NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

Optics Wheel – Cells

Dual Large Lenses

Mixed Large/Small Lenses

Dual Small Lenses


Oli durney lbti optical engineer steward observatory university of arizona

5

6

1

4

CW

2

3

Prism Wheel - Assembly

  • Neutral Density filter set: P/N FX90-0100 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

  • Controlled by motor Box #2, Drive #3

PositionStepsDescriptionDimensions

1 (Home)OpenOpen

2 Dual Triplet Prisms12x12mm

3 H Filterf=25.4mm

4 Single Triplet Prism12x12mm

with H Filter

5 K Filterf=25.4mm

6Single Triplet Prism12x12mm

with K Filter

NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

Prism Wheel – Cells

Dual Triplet Prisms

Single Triplet Prism with Filter


Oli durney lbti optical engineer steward observatory university of arizona

4

3

5

CCW

6

2

1

NAC Aperture Wheel

  • ZnSe lenses and mirror from Edmund Optics

  • Drawn as viewed from cryostat Window side

  • CWW rotation of motor = CWW rotation of wheel

  • Controlled by Motor Box #2, Drive #4

PositionStepsNameSize

1 (Home)0Open42.86 x 42.86mm

2 100000ZnSe Lens and 45°f=25.4mm

Fold Mirror

3 2000005 mm Aperturef=25.4mm

4 300000Znse Lensf=25.4mm

5 4000003x3 Grid of Pinholes 36.46 x 36.46mm

f=1mm, d=8.94mm

650000050 mm Pinholef=25.4mm

NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

NAC Source Slide

  • Wires installed on 03-07-11

  • Drawn as viewed from cryostat Window side

  • CW rotation of motor = vertical translation of the slide ??

  • Controlled by Motor Box #1, Drive #7

1

1

2

2

3

3

4

4

5

5

Move

6

6

7

7

PositionStepsAWGSize

1300.0100”

2 400.0310”

3 400.0310”

4 480.0012”

5480.0012”

6300.0100”

7 400.0310”

8 400.0310”

9 480.0012”

10480.0012”

8

8

9

9

10

10

Back View

(Home)

NOTE: Pos 6-10 are not currently working (05-03-11). However, the wires are installed.


Oli durney lbti optical engineer steward observatory university of arizona

LMIRCam Filter Wheel #1

  • Single Apertures installed on 01-21-11, Hole patterns installed on 09-16-11

  • Drawn as viewed with cover plate removed from Baffle Tube side (side facing LMIRCam Dichroic)

  • CW rotation of motor = CCW rotation of wheel

  • Controlled by LMIRCam Motor Box, Drive #1

7

PositionStepsNameSize

1 (Home)Open25.4mm

2 Small Dual Aperturef~7.19mm

3 Large Dual Aperturef~7.49mm

4 Left Aperturef~8.16mm

5 Right Aperturef~8.21mm

624-hole Pattern25.4mm

712-hole Pattern25.4mm

8Open25.4mm

9Open25.4mm

10Open25.4mm

11Pinhole~0.33mm

12Blank25.4mm

6

8

9

5

4

10

CCW

11

3

2

12

1

NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

LMIRCam Filter Wheel #2

  • 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)

  • CCW rotation of motor = CCW rotation of wheel

  • Controlled by LMIRCam Motor Box, Drive #2

1

PositionStepsNameSize

1 (Home)Open25.4mm

2 Ks (2.00-2.32 mm) 25.4mm

3H (1.50-1.81 mm)25.4mm

4J (1.18-1.36 mm )25.4mm

5L-spec (2.81-4.00 mm)25.4mm

6M-long (4.60-5.86 mm)25.4mm

7Std ‘M’ (4.60-4.97 mm)25.4mm

8L-long 2 (3.81-4.05 mm)25.4mm

9 L-long 1 (3.51-4.06 mm)25.4mm

10 Std ‘L’ (3.41-3.99 mm) 25.4mm

11 L-short (3.10-3.51 mm)25.4mm

12 Blank25.4mm

2

12

3

11

4

10

CCW

5

9

8

6

7

NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

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

  • Controlled by LMIRCam Motor Box, Drive #3

4

PositionStepsNameSize

1 (Home)Open25.4mm

2 H2O Ice 1 (2.96-3.12 mm)25.4mm

3 H2O Ice 2 (3.01-3.15 mm)25.4mm

4 PAH 1 (3.26-3.31 mm)25.4mm

5 PAH 2 (3.38-3.43 mm)25.4mm

6Br-a (4.02-4.09 mm)25.4mm

7Br-a off (3.97-4.04 mm)25.4mm

8L-cont 1 (3.13-3.20 mm)25.4mm

9L-cont 2 (3.39-3.54 mm)25.4mm

10L-cont 3 (3.55-3.64 mm)25.4mm

11L-cont 4 (3.68-3.88 mm)25.4mm

12Blank25.4mm

3

5

6

2

1

7

CCW

8

12

11

9

10

NOTE: Optical Axis (Entrance Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

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

  • Controlled by LMIRCam Motor Box, Drive #4

4

PositionStepsNameSize

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

5

3

2

6

1

7

CW

12

8

9

11

10

NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

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

  • Controlled by LMIRCam Motor Box, Drive #5

2

PositionStepsNameSize

1 (Home)Open50.8x50.8mm

2 Open50.8x50.8mm

3 Pinhole1mm?

4 Blank50.8x50.8mm

1

3

CW

4

NOTE: Optical Axis (Exit Port) is shown in red and is located at Position 1 when Wheel is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

Large Beam Diverter Slide

  • Two (2) possible configurations for the Beam Diverter – Large (2-position) and Small (3-position)

  • Drawn as viewed from entrance Window

  • CW rotation of motor = right translation of the slide ??

  • Controlled by Motor Box #1, Drive #6

Move

Position of 1 when 2 is centered along the optical axis

1

2

PositionStepsNameSize

1 (Home)Open72x57mm

2 Large Dichroic74x58x7mm

NOTE: Position 1 nominally houses the Large Mirror. It is currently removed to allow an open path to LMIRCam

Optical Axis is shown in red and is located at Position 1 when Slide is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

Image Dichroic Slide

  • Drawn as viewed from entrance Window

  • CW rotation of motor = right translation of the slide ??

  • Controlled by Motor Box #1, Drive #1

Move

PositionStepsNameSize

1 (Home)Open72x57mm

2 Large Dichroic74x58x7mm

1

2

NOTE: Optical Axis is shown in red and is located at Position 1 when Slide is in the Home position


Oli durney lbti optical engineer steward observatory university of arizona

Image Dichroic Assembly

Front View

ISO View

Side View


Oli durney lbti optical engineer steward observatory university of arizona

Right Shutter

  • Shutter located in front of Fixed Nulling Mirror

  • Drawn as viewed from entrance Window

  • Controlled by Motor Box #1, Drive #2

PositionStepsNameSize

1 (Home)Vertical – half open20mm

2 Closed20mm

3 Horizontal – half open20mm

4 Open20mm

1

2

3

4

NOTE: Optical Axis is shown in red


Oli durney lbti optical engineer steward observatory university of arizona

Left Shutter

  • Shutter located in front of Field Steering Mirror

  • Drawn as viewed from entrance Window

  • Controlled by Motor Box #1, Drive #3

PositionStepsNameSize

1 (Home)Vertical – half open20mm

2 Closed20mm

3 Horizontal – half open20mm

4 Open20mm

1

2

3

4

NOTE: Optical Axis is shown in red


Oli durney lbti optical engineer steward observatory university of arizona

Shutter Assemblies

Left Shutter

Right Shutter


Oli durney lbti optical engineer steward observatory university of arizona

Additional Slides


Oli durney lbti optical engineer steward observatory university of arizona

Small Beam Diverter Slide

  • Two (2) possible configurations for the Beam Diverter – Large (2-position) and Small (3-position)

  • Drawn as viewed from entrance Window

  • Controlled by Motor Box #1, Drive #6

Move

Move

1

2

3

PositionStepsNameSize

1Open42x30mm

2 (Home)Small Mirror52x32x9.53mm

3 Small Dichroic54x38x7mm

NOTE: Position 1 is Open when slide is moved to Position 2. It is Small Mirror when slide is moved to Position 3

Optical Axis is shown in red and is located at Position 2 when Slide is in the Home position


  • Login