Home PRODUCTS Length Measurement Systems Laser Interferometer

Laser Interferometer

Model SP 5000 NG

  • Flexible, ultra-precise length measuring system
  • Modern industrial design, protection against splash water
  • Single-beam measuring principle minimizes Abbe errors.
  • Plane mirrors and tilt-invariant reflectors are possible.
  • Compact system for on-site use possible
Technical Data:

  • Measurement range (max. distance reflector – sensor head): ≤ 5 m
  • Resolution: 5 pm
  • Maximum tilting angle of measuring reflector (Center of rotation in center of reflector):
    – plane mirror: ±1.5′
    – ball/hollow reflector: ± 12.5°
 Applications:

  • Precision laser interferometric length measuring system as a measuring or calibration instrument for measuring and positioning stages, microscope stages, measuring machines, machine tools, hardness and materials testing instruments
  • Multiple coordinate measurements, e.g. on planar tables
  • Calibration of length measuring instruments
  • Eccentricity and concentricity measurements
  • Non-contact surface measurements

Laser interferometer of new generation

Increasing demands on the accuracies of coordinate measuring machines, machine tools and positioning devices with movement ranges over several metres pose a challenge to measurement systems when it comes to their acceptance and calibration. In this context, new generation laser interferometers offer unique properties that combine a large length measuring range with an extraordinarily high resolution. read morezurück

Modell SP 15000 NG

  • High precision length measurements over long distances
  • Large tilt invariance
  • Various optical reflectors usable, e.g. tripel mirror, ball and plane mirror reflectors
Technical Data:

  • Measurement range (max. distance reflector – sensor head): ≤ 80 m
  • Resolution: 5 pm
  • Maximum tilting angle of measuring reflector (Center of rotation in center of reflector):
    – ball/hollow reflector: ± 22.5°
 Applications:

  • OEM measuring system or stand-alone device
  • Single and multi-axis versions
  • Laser interferometric precision length measurements and calibrations on coordinate and length measuring machines, machine tools, measuring and positioning tables
  • Measurement of large guide lengths and axes with critical tilting

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 Additional components:

Reflector for SP-NG Series

  • Ball reflector with screw and magnetic fastening
  • Dimensions: Ø 15 mm x 15 mm

Beam deflection for SP-NG Series

  • 90°-Beam deflection in four spatial directions

Beam direction alignment for SP-NG Series 

  • extremely log-term stable alignment of sensor head
  • no adjustment mount necessary
  • suitable for very compact design and OEM device

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