Standard:
DIN EN IEC 62129-3 VDE 0888-429-3:2020-04Calibration of wavelength/optical frequency measurement instruments Part 3: Optical frequency meters internally referenced to a frequency comb |
Standard:
DIN EN 62129-1 VDE 0888-429-1:2016-12Calibration of wavelength/optical frequency measurement instruments Part 1: Optical spectrum analyzers |