Newport 1830-C - Page 12

xi
Display Display
Calculation Unit Comment
I/R W ZERO Disabled
(I-I
z
)/R W ZERO Enabled
10
1
log
/IR
mW






dBm ZERO Disabled
10
1
log
/II R
mW
Z
−
(
)






dBm ZERO Enabled
10 log
I
I
STOREF






dB ZERO Disabled
10 log
II
II
Z
STOREF Z
−
−






dB ZERO Enabled
I
I
STOREF
REL ZERO Disabled
II
II
Z
STOREF Z
−
−






REL ZERO Enabled
Where I = detector current
I
z
= detector background current defined when the
ZERO key was pressed
R = responsivity of the detector (A/W)
I
STOREF
= referenced detector current defined when the
STOREF key was pressed
Table 1. Measurement Modes