Specifications - JDS Uniphase BACKREFLECTION METER RM3750 User Manual

Specifications

The following optical specifications describe the warranted characteristics of the unit ( Table 3).
Supplementary specifications describe the typical non-warranted performance of the unit
(Table 4).
Table 3: Optical Specifications
Parameter
Operating wavelength
Fiber Type
Detector type
Range
backreflection
power
Absolute accuracy
backreflection
power
Relative accuracy
backreflection
power
Output connector type
Remote interface
1
Reduced backreflection accuracy in the last 10dB of range based on termination effectiveness. Depending on
the measurement setup, measurements with lower levels are possible at reduced accuracy.
2
User-calibration supported.
3
For a typical application, add ±0.4 dB for readings between -60 and -67 dB. Add ±0.8 dB for readings
between -67 and -72 dB. Add ±1.5 dB for readings between -72 and -75 dB.
4
Following the user-calibration procedure at the recommended interval. For simple reflections, such as flat-end
connectors.
5
Add ±0.1 dB between -70 and -80 dBm.
6
Immediately after performing a dark measurement.
7
Add ±0.1 dB between 0 to 3 dBm and between –35 and –40 dBm.
10112341 Rev 002
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RM3 SERIES BACKREFLECTION METER
Specification
Single-mode
980, 1310, 1480, 1550,
1625, or 1650 ±10 nm
9 / 1 2 5 µ m s i n g l e - m o d e
*
1060
( 5 / 1 2 5 µ m F l e x c o r
for the 980 nm)
2 mm diameter InGaAs
0 to -75 dB
0 to -80 dBm
2,3
±1.0 dB
±0.25 dBm typical at -10
5,6
dBm
3
±0.4 dB
±0.05 dB (<5 dB loss),
5
±0.15 dB (>5 dB loss)
Panel-mounted,
low-backreflection APC
RS232 or IEEE 488 (GPIB)
USER'S MANUAL
Multimode
850, 1310 nm
±20 nm
5 0 / 1 2 5 µ m o r 6 2 . 5 / 1 2 5 µ m
multimode
3 mm diameter InGaAs
1
0 to –40 dB
3 to -60 dBm
4
±1.0 dB
±0.25 dBm typical at -10
6
dBm
4
±0.7 dB
6,7
±0.15 dB (>5 dB loss)
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