8MLAOM-1200 - Large Aperture Optical Mirror Gimbal Mount (Motorized, 2-Axis) New!

Large Aperture Optical Mirror Gimbal Mount (Motorized, 2-Axis)
 
Designed for:
≤1200 mm aperture optical mirrors
AC servo motors with encoders
2-axis fine adjustment range: ±3,5°/3,5°
1 arcsec resolution
1 arcsec bi-directional repeatability
450 kg load capacity

Standa can also supply large mirrors with high flatness
 
Front view of a large aperture (1200 mm) optical mirror installed in precision motorized optical mount 8LAOM-1200   Back view of a large aperture (1200 mm) optical mirror installed in precision motorized optical mount 8LAOM-1200

Motorized Gimbal Mount Specifications

Model 8MLAOM-1200
Kinematics & Feedback information
 Travel Range  
  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

Specifications of Uncoated1 Front Surface of Optical Mirror

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

 
Ordering Information
Model
8MLAOM-1200
 

Standa is able to produce any custom opto-mechanical device. Contact us with your needs.



Large Aperture Optical Mirror Gimbal Mount (Motorized, 2-Axis)