Differential Laser Interferometer


SP-DI Series

 

  • Differential length and angle measurement with the highest accuracy
  • Sensor head is made of stainless steel as standard
  • High long-term stability
  • Differential measurement minimizes environmental effects
Technical Data:

  • Measurement range: ≤ 2 m
  • Resolution: 20 pm
  • Beam distance (standard): 21 mm
  • Angular measurement range: ±1.5 arcmin
  • Angular resolution: 0.001 arcsec
Applications:

  • Differential length and angle measurement with the highest accuracy, e. g. positioning systems for long-term material investigations and dilatometry
  • Angles and tilts are measured with the greatest accuracy by calibrating the beam distance
  • Optional vacuum-compatible designs

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SP 5000 DI/F

 

  • Feetback system for OEM solutions
  • Beam distance: 14 mm

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