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12
ORR24 Instruction Manual
Performance Verification
Use the following procedures to verify the specifications of the ORR24 Optical
Reference Receiver. Before beginning these procedures, see page 18 and
photocopy the test record and use it to record the performance test results. The
recommended verification interval is one year.
These procedures test the following specifications:
H Noise equivalent power
H Output zero
H DC conversion gain
H Rise time
H HF Aberrations
H Bandwidth/Frequency Response
Equipment Required
Table 2 lists the equipment required to perform the performance verification
procedure. The types and quantities of connectors may vary depending on the
specific equipment you use.
Table 2: Test equipment
Description
Minimum requirements
Example product
Optical power meter with
head and adapters
Accuracy > 2.5%, resolution >
5 pW, Max power > 1 mW, cali-
brated from 700 nm – 1600 nm
HP 8153A with
HP 811532 head
1310 nm cal source
output > 200
m
W
1
,
stability > 0.1 dB over 5 minutes,
modulated square wave @ 10 kHz
with off modulation at zero-light
level
Rifocs 665R–PO
1550 nm cal source
output > 200
m
W (CW)
1
,
stability > 0.1 dB over 5 minutes,
modulated square wave @ 10 kHz
with off modulation at zero-light
level
Rifocs 666R–PO
RF power meter
noise < .1 mV, BW > 4 GHz
HP 436A with power sensor
HP 8484A
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