8 Keysight N778xB Getting Started Guide
1 Getting Started
Table 1 Parameters of Lasers Included in certain instruments (see column headers for
respective product options)
• Under no circumstances look into the optical output of the instrument
or to an optical cable attached to the optical output when the device is
operational. The laser radiation can seriously damage your eyesight.
• Do not switch on the instrument when there is no termination to the
optical output connector, to the optical fiber or to the attached device.
• The use of optical instruments with this product will increase eye
hazard.
• Refer servicing only to qualified and authorized personnel.
N7782B #101 #401 #401/#501
Laser Type Fabry-Perot Fabry-Perot Fabry-Perot
Wavelength or
Wavelength Range
850nm 1310nm 1550nm
Max. CW output
power
0.2mW 1mW 1mW
Beam waist diameter 9 μm9 μm9 μm
Numerical aperture 0.1 0.1 0.1
Laser class
according to IEC
60825-1 (2007)
Class 1 Class 1 Class 1
Max. permissible CW
output power
0.8mW 15.6mW 10mW
Max. CW output power means the highest possible optical CW power that the laser source can
produce at its output.
Max. permissible CW output power is the highest optical power that is permitted within the
appropriate IEC laser class.
Please pay attention to the following laser safety warnings if your
instrument contains a laser source (N7782B with Option #101, #401,
#501).
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