UNE-EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb (Endorsed by Asociación Española de Normalización in September of 2019.)
2019UNE-EN IEC 62129-3:2019 Calibration of wavelength/optical frequency measurement instruments - Part 3:Optical frequency meters internally referenced to a frequency comb (Endorsed by Asociación Española de Normalización in September of 2019.)