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STANDA in Lithuania |
STANDA P.BOX 2684 , 03001 Vilnius 9 P.O., Lithuania
Phone +370 5 2651474, Fax +370 5 2651483
E-mail: sales@standa.LT
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8MLAOM-1200 - Large Aperture Optical Mirror Gimbal Mount (Motorized, 2-Axis) New! |
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Designed for:
≤1200 mm aperture optical mirrors
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AC servo motors with encoders
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2-axis fine adjustment range: ±3,5°/3,5°
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1 arcsec resolution
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1 arcsec bi-directional repeatability
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450 kg load capacity
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Standa can also supply large mirrors with high flatness |
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Motorized Gimbal Mount Specifications
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| Model |
8MLAOM-1200 |
| Kinematics & Feedback information |
| Travel Range |
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| Angular Range (manual (coarse)) ϴx, deg |
- |
| Angular Range (manual (coarse)) ϴz, deg |
360 |
| Angular Range (fine) ϴx, deg |
±3.5 |
| Angular Range (fine) ϴz, deg |
±3.5 |
| Motor Encoder Type |
Incremental |
| Encoder Resolution, pulses/turn |
2500 |
| Minimal Incremental Motion 1) , arcsec |
1 |
| Bi-Directional Repeatability, arcsec |
1 |
| Accuracy, arcmin |
2 (in 7° of fine
adjustment range) |
| Backlash, arcsec |
<1 |
| Maximum. Speed, deg/s |
2 |
| Limit Switches |
Mechanical |
| Load, Guiding & Transmission Information |
| Load Capacity, kg |
450 |
| Ball Screw Pitch, mm |
2 |
| Motor Type |
AC servo motor |
Material & Environment Conditions |
| Base Material |
Steel |
| Finish |
Powder coating |
| Environment Pressure |
Normal Atmosphere |
| Ambient Temperature, °C |
22±2 |
| Control, Communication and Cabling |
| Recommended Controllers |
ACS |
| Recommended Power Supply |
24V |
| Connector |
According to wiring diagram |
| Cable Length, m |
3 (other by request) |
| Additional Details |
| Dimensions, mm |
1562 x 1132 x 730 |
| Measurement System |
Metric |
| Maximum Optics Diamter, mm |
1200 |
| Optics Width, mm |
request |
| Weight, kg |
460 (without optics) |
1) Using feedback function and moving with low speed, required position can be reached with accuracy from 0,1 to 1 arcsec
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Specifications of Uncoated1 Front Surface of Optical Mirror
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| Large Aperture Mirror With High Flatness Working Surface |
| Dimensions & Weight |
| Diameter |
1200 mm |
| Thickness |
130 mm |
| Maximum clear aperture CA |
1150 mm |
| Weight |
270.3 kg |
| Material |
Zerodur |
| Working surface shape |
Flat |
| Surface Flatness (Power) |
| Measured on CA=1150 mm |
1/10 λ
(1/20 λ by request) |
| Optical Characteristics (λ=632.8 nm) |
| Surface RMS Error / Wavefront RMS Error |
| Measured on CA=1150 mm |
0.009 λ / 0.018 λ |
| Measured on CA=1000 mm |
0.008 λ / 0.016 λ |
| Measured on CA=800 mm |
0.007 λ / 0.014 λ |
| Measured on CA=600 mm |
0.006 λ / 0.012 λ |
Measurement Conditions |
| Optical Axis Deviation from horizontal position |
<30 arcmin |
| Mirror Axes Mounting Spot Size |
Ø20g6 |
| Environment Pressure |
Normal Atmosphere |
| Ambient Temperature, °C |
20 - 22 |
1 350 nm - 1100 nm broadband reflective coatings with R≥90% will increase RMS surface error by 0.001 λ - 0.002 λ
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Large Aperture Optical Mirror Gimbal Mount (Motorized, 2-Axis)
© 2000 - 2024 STANDA LTD. All rights reserved. |
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