HP 81533B User manual

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Users Guide
HP 8l533B Optical Head Interface
Module,
HP 81520A, HP 81521B, HP
81524A, and HP 81525A Optical Heads
SERIAL NUMBERS
This manual applies to all instrumentslisted above, and
also to the HP
81533A Optical Head Interface Module.
HP Fart NO.81533-90014
Printed in Germany
Fourth Edition
E0597
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Notices
'Ibis document contains proprietary
information that is protected by
copyright.
All rights are reserved.
No part of
this documentmay be
photocopied, reproduced,or
translated to another language
without the prior written consentof
Hewletthckard GmbH.
@ Copyright 1997by:
HewlettPackardGmbH
Herrenberger
Str. 130
71034 Boeblingen
Germany
Subject Matter
The information in this document is
subjectto change without notice.
HewIdtFbkard make3 no wawantg
of any kind with mmrd to this
Warranty Exclusive Remedies
This Hewlett-Packardinstrument The remedies provided herein are
product is warranted againstdefects Buyer's sole and exclusive remedies.
in material and workmanship for a Hewlett-Wckard shall not be liable
period of one year from date of for any direct, indirect, special,
shipment. During the wamanty incidental, or consequential
period,
HF' will, at its option, either damageswhether based on contract,
repairor replace products that prove tort, or any other legal theory.
to be defective.
Aesistance
Wr warranty serviceor repair,this
productmust be returned to a service
maintenance
facility designatedby HF'. Buyer shall and Other customer assistance
prepay shipping charges to HF' and
wements are availab1e for
HF' pay charges to HewLett-%kard products. fir any
return the product to Buyer. assistancecontactyour nearest
However. Buyer shall pay all shipping
Hewlett-Packard
and Service
charges,duties, and taxesfor 05ce.
products returned to
HF' from Certillcation
another country. Hewlett-Wckard Company certifies
prtntd ntatericrl, fncluding, but not HP warrants that its software and
that this product met its published
ttntitad tq the implied wawanties of designated by for use specifications at the time of
merchantdrilfty andfitness for a with an instrument execute its shipmentfrom the factory.
polz-rwTpaM.
programming instructionswhen
properly installed on that instrument. Hewlett-Packard further certifies
Hewlett-Packard shall not be liable
HP does not warrant that the that its calibration measurements
for errors contained herein or for operation of the instrument, are tmceable to the United States
incidental or consequential damages software,or firmwarewill be National Institute of Standardsand
in connectionwith the furnishing, uninterruptedor error free. 'kchnology, NIST (formerlythe
performance, or
use of this material. United StatesNational Bureau of
Limitation of Warranty Standards,
NBS) to the extent
Printing
History
The foregoingwarranty shall not by
the Institutes"
New editionsare complete revisions apply
to defectsresultingfrom calibrationfacility, and to the
of the guide reflecting alterationsin improper or inadequatemaintenance "libration facilities
Of Other
the functionalityof the instrument. by Buyer, Buyer-supplied software or International
mnizetion
Updates are occasionally made to interfacing, unauthorized members.
the guide between editions. The modificationor misuse, operation
160 oOOl Certlflcation
date on the title page changes when outside of the environmental
an updated guide is published.
lb specificationsfor the product, or Producedto
I60 8001international
find out the current revision of the improper site preparation or quality eystem standard as part of
guide, or to purchase an updated maintenance. ourobjectiveof continually
guide, contactyour Hewlett-Packard increasingcustomer satisfaction
representative. No otherwarranty is expressed or improved control.
implied. Hewlett-Packardspecifically
disclaimsthe implied warranties of
Merchantabilityand Fitness for a
ParticularPurpose.
Control SerialNumber: Edition 3 appliesdirectly to all instmmenta.
Edition
1 : 1st May 1990 : 81533.80011 : E0690 ; 1stDecember 1000 : 81633-90011 : El290
Edition 2
: 1stDecember 1991 : 81533-90012 : El291
Edition 3
: 1stMarch 1993 : 81633-80013 : E0303
Edition 4
: 1stMay 1994 : 81633-80014 : E0694; 1stDecember 1904 : 8153590014 : El294
1stJuly 1996
: 81633-90014 : E0796; 1stMay 1997 : 816W80014 : E0597
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Safety Considerations
Before operation, review the instrument and manual, including the red safety
page, for safety markings and instructions. You must followthese to ensure safe
operation and to maintain the instrument in safe condition.
Initial Inspection
Inspect the shipping container for damage. If there is damage to the container
or cushioning, keep it until you have checked the contents of the shipment for
completenessand verified the module both mechanically and electrically.
The Performance Tests give procedures for checking the operation of the
module. If the contents are incomplete, mechanical damage or defect is
apparent, or
if a module does not pass the operator's checks, notify the nearest
Hewlett-Packard office.
Warning
To avoid hazardous electricalshock, do not perform
electrical tests when there are signs of shipping damage to
any portion of the outer enclosure (covers, panels, etc.).
Power Requirements
The HP 81533B operates when installed into the HP 8153A Optical Multimeter
mainframe.
Operating Environment
The HP 8153A safety informationsummarizes the HP 81533B operating
environment ranges. In order for the HP
81533B to meet specifications, the
operating environmentmust be within the limits specified in this section.
Inputloutput Signals
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Caution
A maximurn of 15V can be applied as an external voltage to any
II
BNC connectors
Storageand Shipment
The module can be stored or shipped at temperatures between -40°C and
+70°C. FVotect the module from temperature extremes that may cause
condensation within it.
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Contents
C . HP 81533B. HP 81520A. HP 81521B. EP 81524A. and HP 81525A
Specifications
SupplementaryPerformance Characteristics ........... C-3
......................
HP 81050AL Lens C-3
..............
HP 81010BLand HP 81050BL Lens C-4
....................
Optical Connections C-4
...............
Compensating for Lens Loss C-6
D . HP 81533B and Optical Heads PerformanceTests
..........................
Introduction
Test Record
..........................
Test Failure ..........................
....................
Instrument Specification
Module Function Tests
.....................
Equipment Required .....................
Function Test ........................
..................
Static and Dynamic Tests
GainIRange CalibrationAccuracy Test
............
HP 81520A. HP 81521B. HP 81524A. and HP 81525A Performance
Tests
............................
Equipment Required .....................
........................
HP 81520A
........................
HP 81521B
HP 81524A or HP 81525A
.................
......................
Performance Test
.................
Accuracy and Linearity Tests
.......................
I . Accuracy Test
I1
. Linearity Test .......................
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E . Cleaning Procedures
....
How to clean instruments with a recessed lens interface
E-1
.........................
Lightdirt E-1
........................
Heavydirt E-1
Index
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.....................
C.1 . Optical Connections C-5
.....................
C.2 . Optical Connections C-6
....................
. D.1 Accuracy Test Set-Up D-15
.............
D.2 . HP 81525A Linearity Test Test Set-Up D-17
.................
. D.3 Addition of results (example) D-20
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HP 81533B, HP 81520A, HP 81521B, HP
C
81524A, and HP 81525A Specifications
Specifications describe the instrument's warranted performance. Supplementary
,
performance characteristics describe the instrument's non-warranted typical
performance.
Because of the modular nature of the instrument, these performance
specifications apply only to this module. You should insert these pages into the
appropriate section of the manual.
HP 815338, HP 8152OA. HP 815218, HP 81524A and HP 81525A Specifications C.1
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lnformation on the traceability of power meters is available on request
EP 81533B Specillcations
[I] at the following reference conditions:
Power level 10pW (-20dBm),ContinuousWave (CW).
rn Parallel beam, 3mm spot diameter on detector.
.
Ambient temperature 23OCf 5K
At day of calibration. (add 0.3% for aging over one year, add 0.6% over
two years).
Spectralwidth of source
<10nm
Sensor Element
Wavelength range
hwerrange
C-2 HP 815338.HP 8152011. HP 815218.HP 8152411, and HP 8152511Spscifications
HP 81633Bwith
HP 81621B
opticolaead
Ge, 6mm
900-1700nm
+3to -BOdBm
HP 81633B with
HP 81620A
opncol~ead
Si, 6mm
4601020nm
+10to -100dBm
Dieplay resolution
Applicable fiber
type
Unmdtu (AccPrpcy)
at reference ~ondltions[~]
'~btnl ~neert~~nty['l
-ePrftr
18'~to 28'~const. temp
Operating temp. range const. temp
Nolse
peak-peak, avg. time lsec
Operating 'lkmperature
Dimensions
Module
Head
Weight
Module
Head
PeePLibration period
Warmnp time
The display may
vary by f 1count.
HP 81633B with
HP 81624A
optifol~ead
HP 81633Bwith
HP 81626A
optical ~ead
0.001dEVdBm (0.0001dBldF3m on printout), 0.OlpW
tpo lOpW (depending on power range
parallel beam, Oll26pm
- 100114Opm, NA 50.3
InQaAs, 6mm
8W16Mmm
f 2.2%
(600-1020nm)
f 4%f0.6~~
(600-1020nm)
(+~to-~d~rn)
f 0.04dBf O.6pW
f 0.1-f O.6pW
<0.6pW
(700-eO0nm)
+3 to -Wm
f 2.2%
(1000-1660nm)
f 4%f60p~
(1000-16Mmm)
(oto-~rn)
f 0.04dBf 60pW
f 0.1SdBf 60pW
<mw
(1200-l6OOnm)
f 2.2%
(1000-16OOnm)
f 4~f S~W
(1000-16oonm)
(+3to-70d~m)
f 0.04dBf 6pW
f O.lEdBf 6pW
< 6pW
(looCrl6OOnm)
+27 to -7OdBm (1260to 16Mmm)
+ 23 to -7OdBm (800 to 16Mmm)
f 3%
(800-16oonm)
f s%* 600pw
(800-1600nm)
(+10to-60d~m)[~I
f 0.04dBf 600pW
f 0.1bdBf 600pW
<600pw
(Wnr1600nm)
O°C to +40°C
OOC to +36°~[41
76mm H, 32mm W, 536mm
D (2.8"~1.3"~13.2")
37.6mm Diameter, 140mm
Long (1.6"~6.6")
net 0.6kg (1.31bs), shipping lkg(2.21bs)
net O.46kg (llbs), shipping lkg(2.21bs)
2 years
20
min.
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[2] at the following operating conditions:
w Parallel beam, 3mm spot diameter on detector, or connectorized fiber with
NA 50.2
w Ambient temperature 0 to 40°C, non-condensating.
w Within 1year after calibration,add 0.3%for the second year.
[3] Add O.OO7dBldB between 10and 27dBm.
[4] 30°Cfor >2OdBm input power.
Supplementary Performance Characteristics
Add 1 % to total uncertainty for the full wavelength range.
Outside the specified wavelength range, the noise increasesby up to 5 times the
value shown above.
For fiber applications with NA between 0.2 and 0.3 use specific lenses and add
0.5%total uncertainty for the 85Of5Onm, l3OOf 5Onm, and l55Of5Onm range.
Analog output
bandwidth
output voltage
output impedance
HP 81050AL Lens
LDC, 5300to lOOOHz
dependingon range and opticalhead
0to 2V into open
60062 typ.
f lOV
Attenuation at 850 nm (AL-type)is printed on each lens. This value must
be entered into the power meter using the
CAL parameter, for precise
measurements.
Typical attenuation over wavelength for the 81050AL, exactly measured at 850
nm:
HP 815338 HP 81520A. HP 815218 HP 81524A. and HP 81525A Specifications C-3
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HP 81010BL and HP 81050BL Lens
Attenuation at 130011550 nm (BL-type) is printed on each lens. This value
must be entered into the power meter using the
CAL parameter, for precise
measurements.
Typical attenuation over wavelength for the
81010BL and 81050BL, exactly
measured at
1300 nm and 1550 nm:
Optical Connections
For the opticalhead, various accessories can be ordered that aid measurement,
as well as connectionto bare or terminated fibers. Depending on which
accessoriesyou ordered, Figure
C-1 shows the sequence in which you attach
them to the HP
81520A. Figure C-2 shows the sequence in which you attach
them to the HP
81521B and the HP 81524A.
C4 HP 815338.HP 81520A. HP 815218. HP 81524A. and HP 815258 Specifications
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li~tt I HPYlF2Jh Car also W
usrJ idh HP 8153%
oarallel beam
110 11- 11- r I llk<ll
bars f~bsrlpfipta~lsddevlce connsctor~zsdi~bsrldsvms
Figure Gl. Optical Connections
HP 81533B. HP 8152OA. HP 81521B, HP 81W4A, and HP 81525A Specifications C-5
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dh.rp.nt b..m bmr. ~rlplpl.lldddc. pw.ll.1 bum
NA<O 5 0 2<NA<0 3 O lcNA<O2 NAtD 1 (3mm spot rue1
I I I I
Note 1 HP 815216 and
HC 11524A can also
be used wlh HP 81533A
hate 2 HP 81525A rewrrs lens 1
mput power XOdBm
/ Module 1 1 1
Hiah Return High Return
Loss Adapt~r Lass Adapler
Figure G2. Optical Connections
Compensating for Lens Loss.
If you are using one of the optical heads with a
lens, the attenuation loss has been individually measured at the factory. This
measured value is marked on the lens casing as a
'CALn factor, for example
CAL -. 19dB.
C-6 HP 815338, HP 81WOA, HP 81521 B, HP 81WA, and HP 81525A Specifications
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You should enter this CAL factor, together with any other known losses for your
measurement system, to compensate for the non-idealnature of the measuring
equipment.
HP 815338, HP 81520A. HP 815218. HP 81524A and HP 81525A Specifications C-7
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HP 8 1533B and Optical Heads
Performance
Tksts
Introduction
The procedures in this section test the electricalperformance of the instrument.
The complete specificationsto which the HP 81533B, with an optical head, is
tested are given in Appendix
C. All tests can be performed without access to
the interior of the instrument. The test equipmentgiven correspondsto tests
carried out with Diamond HMS-lO/HPconnectors.
%st Record
Results of the performance test may be tabulated on the Test Record provided
after the test procedures. It is recommended that you a1out the Test Record
and refer to it while doing the test. Since the test limits and setup information
are printed on the Test Record for easy reference, the record can also be used
as an abbreviated test procedure (if you are already familiar with the test
procedures). The Test Record can also be used as a permanent record and may
be reproduced without written permission from Hewlett-Packard.
%st Failure
If the HP 81533B or the optical head fails any performance test, return it to the
nearest Hewlett-Packard SalesIService Office for repair.
HP 81533B and Optical Heads Performance Tests D-1
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D
Instrument Specification
Specifications are the performance characteristics of the instrument that are
certified. These specifications,listed in Appendix
C, arethe performance
standards or limits against which to test. Appendix
C also lists some
supplemental characteristics. Supplemental characteristics should be considered
as additional information.
Any changesin the specificationsdue to manufacturingchanges, design, or
traceability to the National Bureau of Standards, aee covered
in a manual
change supplement, or revised manual. Such specificationssupersedeany that
were previously published.
D-2 HP 81533B and Optical HeadsPerformanceTests
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Module Function Bsts
Equipment Required
Equipment required for the function test is listed in the table below. Any
equipment that satisfiesthe critical specificationsof the equipment given in the
table, may be substituted for the recommended models.
Instrument/Accessory
Multimeter Mainframe
Optical Head
Digital Multimeter
BNC to BNC cable
BNC(m) to dual Banana plug
TestICal Box
Head Recognition Adapter
Test Cable
BNC(f) to dual Banana plug
DC Standard
Oscilloscope
Recommended Model
HP 8153A
HP 81520A, HP 81521B, HP 81524A, or HP
81525A
HP 3466A, with test leads.
HP 10102A
HP lOllOB
P/N 08152-63201
P/N 08152-63211
P/N 08153-61610
P/N 1251-2277
with adapter cables
Function Test
The function test given in this section is using the HP 8153A with the HP
81533B Optical Head Adapter Module and the 08152- 63201 TestICal Box to
check voltages and signals to and from the HP 81520Al21B Optical Heads.
Perform each step in the tests in the order given, using the corresponding
equipment.
Static and Dynamic Tests
1. Insert the HP 81533Binto the mainframe channel A position and connect
the testlcal box to its input.
2. Make sure that the head recognition adapter is connected to the testlcal
box.
3. Turn power on and check that all display segments are lit for approximately
2 seconds and check that the HP 8153A then displays the error message
E3200 HEAD-DATSELFTEST.
4. To test the constant voltages:
HP 815338 and Optical Heads PerformanceTests D-3
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D
a. Using the test cable check the following DC levels at testlcal box
receptacles
Receptacle Expected Value
+ 15V + 15f0.8V
-15V -15f0.8V
l? CTRL OV
STATUS OV
5. To test the ranging:
a. The states of
RANGE 0 and RANGE 1 depend on the respective HP
8153A range settings
b. Press to make sure that autoranging is
OFF.
c. Selectthe followingranges with (TiJ and B. In each case, check
the statusof the range selection signal on the
RANGE 0 and RANGE 1
receptacle on the testlcal box.
dBm Range RANGE 0 RANGE 1
1
6. To test the + 5V:
a. Set the oscilloscopeas follows:
Input to ~VIDIV,DC Coupled,
1MQ.
Timebase to 0.005sIDIV.
Sweepmode
to AUTO.
D4 HP 815338 and Optical Heads Performance Tests
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Note
When performing this test and the following tests, each time,
after pressing the switch on the head recognition adapter, the
message
ER 3200 HEAD-DAT appears. To continue the tests or to
repeat a test, the error state must be overwritten by pressing
any key on the HP 8153A front panel.
'1
b. Use the test cable to connect the + 5V receptacle to the oscilloscope.
c. Check that, when you press the switch on the head recognition adapter,
the
+ 5V output switchesfrom OV to +5V and then back to OV after
approximately2 seconds.
7. To test the data clock (see also the note to step 6):
a. Use the test cable to connect the CLOCK receptacle to the oscilloscope.
b. Check that, when you press the switch on the head recognition adapter,
the CLOCK outputs clock pulses for approximately4 seconds, going from
+ 5V to OV.
8. To test the OE (see also the note to step 6):
a. Use the test cable to connect the receptacle to the oscilloscope.
b. Check that, when you press the switchon the head recognition adapter,
the output switches from +5V to
OV and then back to +5V after
approximately2 seconds.
9. To test the ONIOF'F' (see also the note to step 6):
a. Use the test cable to connect the ONIOFF receptacle to the oscilloscope.
b. Check that the ONIOF'F'output is at
+ 15V while you are pressing the
switch on the head recognition adapter, and at +5Vwhen you release
the switch.
10.
To test the Peltier Control:
a. Change the input sensitivityof the oscilloscope to 0.05VIDIV and connect
the test cable from the P.CTRL receptacle to the oscilloscope.
b. Watch the DC level displayed on the oscilloscope and connect instead of
the head recognition adapter the HP 81520A, HP 81521B, HP 81524A, or
HP 81525A Optical Head.
c. After a few seconds, the P.CTRL voltage should change from
approximately 130rnV to approximately 30mV (HP 81520A),from
HP 81533B and Optical Heads Performance Tests 0.5
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