Keysight Technologies 86120D - Page 13

Keysight 86120D and 86122C Multi-Wavelength Meters User’s Guide 13
Getting Started 1
Table 1 Safety Information for Wavelength Meter
86120D, 86122C
Laser type HeNe Laser
Wavelength (±0.1 nm) 632.8 nm
Max. CW output power
1
< 1 nW
Beam waist diameter 9 μm
Numerical aperture 0.1
Laser Class according to IEC 60825-1 (2014) Class 1
Max. permissible CW output power 0.39 mW
1
Max. CW output power is defined as the highest possible optical power that the laser source can
produce at its output connector.