Detector Signals
and
Calculations:
(S-~,)/R,
STO-REF
STO-REF
Represents the most recent signal value
obtained from the A/D converter. It may
represent amps or volts and may be analog
and or digitally filtered.
Represents the value stored as a reference
signal for subsequent use in signal offset,
i.e.
ZERO calculations. S,=O when ZERO
is
off.
Represents the most recent net signal value.
This
is
the value that
is
displayed when units
are set to Amps or Volts. Note that Sd
=
0
when ZERO
is
off.
Measurement calculation when the display
units are Watts or Joules. Rk
is
the detector
responsivity associated with the current
wavelength setting.
Measurement calculation when the display
units are ten times the (base ten) logarithm of
the ratio of the measured power to
1
mW, i.e.
dBm.
Measurement calculation when the display
units are the ratio of measured power to the
value stored by the STO-REF function.
Measurement calculation when the display
units are ten times the (base ten) logarithm of
the ratio of measured power to the value
stored by the STO-REF function.
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