National Physical Laboratory

Auto-compensated Laser Interferometer System Calibration

Laser interferometer systems are widely used in industry for direct precision measurement of length and displacement particularly in relation to CNC machine tool and co-ordinate measuring machine calibration.

interferometer bench
The 50 metre interferometer
bench at NWML

NPL offers a routine service for the verification of interferometer system accuracy, which includes:

  • Calibration of stabilised laser source wavelength
  • Verification of displacement measurement to 30 metres
  • Calibration of environmental compensation transducers
  • Compensated system calibration to 2 parts in 107
  • UKAS accreditation
  • ISO 9000 compliance
  • Rapid 1 week turn around possible by prior agreement


Customer Service tel: +44 20 8943 6796

Last Updated: 25 Mar 2010
Created: 12 Aug 2007


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