National Physical Laboratory

Optical Frequency Standards

NPL low drift etalon
NPL low drift etalon

NPL offers a number of calibration services, products and training courses in the optical frequency standards and metrology area.

Measurement services

We offer the following UKAS-accredited measurement services in this area:

Equipment supply

The following products are available, either directly from NPL or manufactured by third parties under license from NPL:

Consultancy and collaboration

To discuss your measurement requirements in the area of optical frequency standards and metrology, or possible opportunities for collaboration, please contact Patrick Gill.

Training courses

We offer two training courses in this area:

Optical Frequency Standards & Metrology products & services


Please note that the information will not be divulged to third parties, or used without your permission