Off-Axis Acousto-optic deflector, 488nm

Manufacturer's part number :


Manufacturer Isomet


Description :

The OAD-948 off-axis acousto-optic deflector offers high diffraction efficiency over a wide scan angle at 488nm. Specific input beam polarization and orientation are required for correct operation. Off-axis AO deflectors minimize the Bragg angle - frequency sensitivity by exploiting non-linear characteristics of birefringent crystals.

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  • Operating wavelength: 488nm
  • Center frequency: 120 MHZ
  • RF Bandwidth: 50 MHz
  • Active aperture: 3x8mm
  • Crystal material: Te02 (Off-Axis Mode)
  • Scan angle: 2.1°
  • Separation angle: 4.2°
  • Resolution: > 600 spots
  • Laser polarisation: Linear, Horizontal
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Standard AR Coatings Range VIS-NIR (442 to 1100nm)  
Crystal Material TeO2 (Shear)  
Active Aperture (mm) 1mm to 14mm (rectangular shape)  
Central RF Frequency(MHz) 100-190MHz  
RF Bandwidth (MHz) 40-90MHz  
San Angle (mrad) 31-50mrad  
Resolution >200