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Definition of Terms
Definition of Terms
N O T E
136
Absolute frequency response uncertainty
The maximum difference between measured
device under test and the actual (true) responsivity, expressed
in dBe.
Conditions: as specified.
Any change in the cabling after calibration add to the specified
absolute frequency response uncertainty.
Measurement: Based on a reference RF O/E receiver.
Average output power (optical)
The (actual or nominal) average output power from a fiber
connected to the LCA optical output.
Average output power range (optical)
The nominal (selectable) range for
(optical).
Average output power stability (optical)
The variation of the optical
over time, calculated as
where max
{} and min
t
over time t.
Conditions: Time period as specified after modulator auto bias
("modulator optimization") is performed with the selected
wavelength. Other conditions as specified.
Measurement: Using an average power meter with averaging
time set to 1 s.
Keysight N4373D Lightwave Component Analyzer, User's Guide
Average output power
Average output power (optical)
P t
min
P t
max
–
t
t
------------------------------------------------------------------------ -
2
{} are the maximum and minimum value
t
Responsivity
of a
P
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