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Agilent Technologies Agilent 86120C manual General Safety Considerations

Models: Agilent 86120C

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General Safety Considerations

General Safety Considerations

General Safety Considerations

This product has been designed and tested in accordance with IEC 61010- 1, and has been supplied in a safe condition. The instruction documentation contains information and warnings which must be fol- lowed by the user to ensure safe operation and to maintain the prod- uct in a safe condition.

Laser Classification: This product is classified according to IEC 60825- 1.

There is no output laser aperture

The Agilent 86120C does not have an output laser aperture. However, light less than 1 nW escapes out of the front-panel OPTICAL INPUT connector. Operator maintenance or precautions are not necessary to maintain safety. No controls, adjustments, or performance of procedures result in hazardous radiation expo- sure.

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Agilent Technologies Agilent 86120C manual General Safety Considerations, There is no output laser aperture

Contents

Agilent 86120C Multi-Wavelength Meter User’s Guide Notices The Agilent 86120C-At a Glance angled physical contact interfaceCharacterize laser lines easily Print measurement results “Programming” and Chapter 4, “Programming Commands” provide allmust not be exceeded Program the instrument for automatic measurementsMeasurement accuracy-it’s up to you The Agilent 86120C-At a GlanceGeneral Safety Considerations There is no output laser apertureWA R N I N G WA R N I N G WA R N I N G WA R N I N G WA R N I N G C A U T I O N C A U T I O N C A U T I O N C A U T I O N C A U T I O N Step 2. Connect the Line-Power Cable 5 Step 3. Connect a Printer ContentsThe Agilent 86120C-At a Glance General Safety Considerations Returning the Instrument for ServiceFETCh Measurement Instruction 79 HCOPy Subsystem Laser Safety InformationInstrument Preset Conditions Test 1. Absolute Wavelength Accuracy 3 Test 2. SensitivityContents Menu Maps Error Messages Front-Panel Fiber-Optic Adapters Power CordsAgilent Technologies Service Offices Contents-3Page Getting Started Step 1. Inspect the ShipmentGetting Started C A U T I O N C A U T I O N C A U T I O N C A U T I O NMeasurement accuracy-it’s up to you Getting StartedStep 1. Inspect the Shipment Step 1. Inspect the ShipmentStep 2. Connect the Line- Power Cable WA R N I N GC A U T I O N C A U T I O N C A U T I O N Step 3. Connect a Printer page 7Step 4. Turn on the Agilent 86120C Instrument firmware versionStep 5. Enter Your Elevation Converting feet to metersStep 6. Select Medium for Wavelength Values Definition of standard airStep 7. Turn Off Wavelength Limiting Returning the Instrument for Service Preparing the instrument for shipping C A U T I O N C A U T I O NThe carton must be large enough to allow approximately 7 cm Returning the Instrument for Service Getting Started1-14 Returning the Instrument for Service Getting Started1-15 Page Measuring Signal- to- Noise Ratios with Averaging Measuring Wavelength and PowerMeasuring Signal- to- Noise Ratios Measuring Total Power Greater than 10 dBmMaking Measurements Agilent 86120C, refer to “Calibrating Measurements” on page 2Total power and average wavelength 2 Measuring Wavelength and PowerPeak WL mode 2 List by WL or Power modes 2 Graphical display of optical power spectrum 2 Instrument states 2To display peak wavelength and power Peak WL modePREV PK to select next lower power signal 3 To move the cursor to view other signals, pressPEAK to signal with greatest power NEXT PK to select next higher power signalList by WL or Power modes To display multiple laser linesTotal power and average wavelength To limit the wavelength range To display average wavelength and total powerLimiting the wavelength measurement range n is the number of laser lines included in the measurementMeasuring broadband devices and chirped lasers To measure broadband devicesGraphical display of optical power spectrum To see the graphical displayInstrument states Power barTo control the power bar To save an instrument stateTo change the units of measure Changing the Units and Measurement RateDisplayed units Displayed units 2 Measurement rateMeasurement rate Continuous or single measurements To change the measurement speedTo select single measurement acquisition Defining Laser- Line Peaks To define laser- line peaks If too many lines are identified Measuring Laser Separation Channel separation 2 Measuring flatness 2This section includes Channel separation To measure channel separation Measuring flatness To measure flatnessMeasuring Laser Drift Measuring Laser DriftTo measure drift If measurement updating stops or the values become blankedDuring the measurement, you can change the display mode to Peak WL Measuring Signal- to- Noise Ratios Signal-to-noise displayAutomatic When the signal- to- noise “auto” function is selected, the Automatic interpolation Repetitive data formatsTo measure signal- to- noise Measuring Signal- to- Noise Ratios with Averaging To measure signal- to- noise with averaging Measuring Fabry- Perot FP Lasers To characterize a Fabry- Perot laserΣ Pi The summation of the power in each of the selected peaks, or Measuring Modulated Lasers Measuring Modulated LasersPRBS modulation graph showing raised noise floor Measuring Total Power Greater than 10 dBm To measure total power exceeding 10 dBmCalibrating Measurements Definition of standard airTo enter the elevation To select the medium for lightConverting feet to meters Printing Measurement Results To create a hardcopyCleaning Connections for Accurate Measurements Choosing the Right ConnectorFigure 2-3. Basic components of a connector Figure 2-5. Cross-section of the Diamond HMS-10 connector Figure 2-4. Universal adapters to Diamond HMS-10Inspecting Connectors Avoid matching gel and oils Avoid over tightening connections Measuring insertion loss and return loss Cleaning Connectors Visual inspection of fiber endsthink the use of such compounds is necessary, refer to the compound To clean a non- lensed connectormanufacturer for information on application and cleaning procedures leave filmy deposits on fiber ends that can degrade performanceTo clean an adapter compressed air canister2 Clean the adapter with the foam swab Addressing and Initializing the Instrument 3 Lists of Commands 3Programming Making MeasurementsWhere to begin… Types of commandsProgramming Addressing and Initializing the Instrument Remote mode and front- panel lockoutInitialize the instrument at start of every program To change the GPIB address Set single acquisition modeMaking Measurements After collecting the uncorrected data, the Agilent 86120C searches the data for the first 200 peak responses. For WLIMitOFF, searching starts at 1650 nm and progresses towards 1270 nm. For WLIMitON, searching starts at WLIMitSTART and progresses toward WLIMitSTOP. These peak values are then placed into the corrected data buffer. Each peak value consists of an amplitude and wavelength measurement. Amplitude and wavelength correction factors are applied to this data Commands are grouped in subsystems Refer to “FPERotSTATE” on Table 2-4. Commands for Capturing DataMaking Measurements pageMEASure command Measurement instructions give quick resultsREAD command FETCh commandCONFigure command Return single or multiple measurement valuesARRay and the SCPI standard Or, the *WAI command could be used Measure delta, drift, and signal- to- noise Determine the number of data points The format of returned dataMeasurements are returned as strings Data can be corrected for elevation and vacuumMonitoring the Instrument Monitoring the InstrumentStatus registers Status Byte registerProgramming Monitoring the Instrument3-18 OPERation Status and QUEStionable Status registers Table 3-6. Bits in Operation Status RegisterStandard Event Status register Enabling register bits with masks Error queue QueuesOutput queue Reviewing SCPI Syntax Rules SCPI command are grouped in subsystemsSending a command Use either short or long formsCombine commands in the same subsystem You can use upper or lowercase lettersAdding parameters to a command Combine commands from different subsystemsSending common commands White spaceMultiplier 0.28E2 280E-1 28000m 0.028K 28E-3KTable 3-9. Suffix Multipliers MnemonicProgram message terminator Querying dataMany subroutines are repeated in the examples Errormsg subroutineExample Programs Setese subroutineCmdopc subroutine FNIdentity functionErrmngmt subroutine Tempo subroutineOUTPUT @Mwm*ESR? ENTER @MwmCme OUTPUT @MwmSYSTERR? ENTER @MwmErrmsg$ Example 1. Measure a DFB laserCOM /Instrument/ @Mwm DIM Errmsg$255 INTEGER Cme CLEAR REPEAT PRINT Errmsg$OUTPUT @Mwm*OPC? ENTER @MwmOpcdone OUTPUT @Mwm*IDN? Example ProgramsCOM /Instrument/ @MwmV DIM Identity$50 Identity$= OUTPUT @Mwm*RST ENTER @MwmIdentity$ RETURN Identity$Example 2. Measure WDM channels Example ProgramsUNTIL NOT BITCme,2 AND NOT BITCme,4 AND NOT BITCme,5 AND Err$,+0 Example ProgramsPRINT Errmsg$ COM /Instrument/ @Mwm OUTPUT @Mwm *ESEIVAL00110100,2Turn off all drift states Example 3. Measure WDM channel driftTurn on the drift calculation Turn on drift reference stateTurn off drift reference state Query reference wavelengths and powersExample Programs Turn on drift max min calculationSubendSUBEND SeteseSUB Setese ProgrammingExample Programs SUBEND IdentityDEF FNIdentity$Example 4. Measure WDM channel separation PRINT USING 6A,2D,17A,M4D.3D,31A,S2D.2D,4ALine I wavelength isExample Programs Example 5. Measure signal- to- noise ratio of each WDM channel Example ProgramsExample Programs NEXT STOP ErrormsgProgramming FOR I=1 TO NbptExample 6. Increase a source’s wavelength accuracy Example Programs OUTPUT @MwmMEASSCALPOWWAV? ENTER @MwmCurrentwlLists of Commands Table 3-10. Programming Commands 1 ofLists of Commands Table 3-10. Programming Commands 2 of Lists of CommandsTable 3-10. Programming Commands 3 of Lists of CommandsTable 3-10. Programming Commands 4 of Lists of CommandsLists of Commands Table 3-10. Programming Commands 5 ofTable 3-11. Keys Versus Commands 1 of Lists of Commands∆ WL Table 3-11. Keys Versus Commands 2 of Lists of CommandsLists of Commands Programming3-50 CONFigure Measurement Instruction 4 DISPlay Subsystem 4 Programming CommandsCommon Commands 4 Measurement Instructions 4 CALCulate1 Subsystem 4 CALCulate2 Subsystem 4 CALCulate3 Subsystem 4Programming Commands Table 4-12. Notation Conventions and DefinitionsProgramming Commands Common Commands Query Response ExampleQuery Response ESR?Syntax*ESR? ExampleIDN? Page Syntax*RST Table 4-15. Conditions Set by *RST Reset 2 of Page Common Commands In this example, the command enables ESB event summary bit 5 inthe status byte register to generate a service request Query ResponseSTB? TST? Syntax*WAI Measurement Instructions Measurement InstructionsMEASure READ? FETCh? CONFigure? ARRay SCALar POWer? FREQuency? WAVelength? WNUMber?The commands in this subsystem have the following command hierar- chy Measurement InstructionsMEASureARRay SCALar POWer? CONFigure commandExamples CONFARRPOW FETCARRPOW? READARRPOW? MEASARRPOW? MEASureARRay SCALar POWerFREQuen- cy? CONFigure commandThe following line is an example of a returned string when MEASureARRay SCALar POWerWAVe- length? CONFigure commandExamples resolutionConstants Query ResponseSyntax MEASureARRay SCALar POWerWNUMber?CONFigure command expectedvalue MAXimumIf the MEASSCALPOWWNUM? 6451 command is sent, and a CALCulate1 Subsystem FREQuency POINtsDATA? tions” on page 4or, 1557.137 nm in vacuum CALCulate1 Subsystem Non-sequential command TRANsformFREQuencyPOINtsthat is located in “Making Measurements” on page 3- 5 . Changing the +15,047 For normal updateFor fast update +7,525STATe STARt FREQuency WAVelength WNUMber STOP FREQuency WAVelength CALCulate2 SubsystemSTATe WNUMberQueries the array of laser-line frequencies after the peak search is completed. If CALC2PWAVSTAT is on, the total input power isDATA? Queries the array of laser-line wavelengths after the peak searchAttribute PEXCursionSyntax SummaryNon-sequential command POINts?PTHReshold SyntaxPWAVerageSTATe “Defining Laser- Line Peaks” on page 2Non-sequential command CALCulate2 Subsystem Syntax WLIMitSTATeNon-sequential command AttributeWLIMitSTARtFREQuency Non-sequential commandSyntax WLIMitSTARtWAVelengthNon-sequential command AttributeSyntax WLIMitSTARtWNUMberNon-sequential command AttributeSyntax WLIMitSTOPFREQuencyNon-sequential command AttributeSyntax WLIMitSTOPWAVelengthNon-sequential command AttributeSyntax WLIMitSTOPWNUMberNon-sequential command AttributeCALCulate3 Subsystem FREQuency? WNUMber? MODE WAVelength? FREQuency? WNUMber? PEAK WAVelength? FREQuency? WNUMber? POWer? POWer WAVelength? FREQuency?STATE FWHM WAVelength? FREQuency? WNUMber? MEAN WAVelength? WNUMber? SIGMa WAVelength? FREQuency? WNUMber?Attribute ASNRCLEarSyntax SummaryAttribute ASNRCOUNtSyntax SummaryASNRSTATe tion on selecting measurementsQueries the array of laser-line wavelengths after the calculation is DATA?Queries the array of laser-line frequencies after the calculation is Queries the array of laser-line wave numbers after the calculationSyntax DELTaPOWerSTATeDELTaPRESet AttributeDescription DELTaREFerencePOWer?DELTaREFerenceFREQuency 181.6924 THzAttribute DELTaREFerenceWAVelengthSyntax SummaryAttribute DELTaREFerenceWNUMberSyntax SummaryAttribute DELTaWAVelengthSTATeSyntax SummaryDELTaWPOWerSTATe Attribute DRIFtDIFFerenceSTATeSyntax SummaryAttribute DRIFtMAXimumSTATeSyntax SummaryAttribute DRIFtMINimumSTATeSyntax SummarySyntax DRIFtPRESetDRIFtREFerenceRESet AttributeAttribute DRIFtREFerenceSTATeSyntax SummaryAttribute DRIFtSTATeSyntax Summary+5.47128800E-009 FPERotSTATEFPERotFWHM? +6.93436400E+011+1.94824800E+014 FPERotMEAN?+1.53878000E-006 +6.49865400E+003Description FPERotMODESPACing?Argument WAVelength+1.94577600E+014 FPERotPEAK?+1.54073400E-006 +6.49041000E+003dBm DBM FPERotPOWer?WATTs watts WATTsDescription FPERotSIGMa?Argument WAVelengthSyntax PRESetPOINts? AttributeAttribute SNRAUTOSyntax SummaryAttribute SNRREFerenceFREQuencySyntax SummaryAttribute SNRREFerenceWAVelengthSyntax SummaryAttribute SNRREFerenceWNUMberSyntax SummarySNRSTATe Turns the signal- to- noise calculation on and offPreset State off RST State offCONFigure Measurement Instruction CONFigure Measurement InstructionGRAPhics STATe DISPlay SubsystemMAXimum LEFT NEXT PREVious RIGHt DISPlay SubsystemSyntax MARKerMAXimumMARKerMAXimumLEFT AttributeSyntax MARKerMAXimumNEXTMARKerMAXimumPREVious AttributeSyntax MARKerMAXimumRIGHtWINDowGRAPhicsSTATe AttributeFETCh Measurement Instruction FETCh Measurement InstructionHCOPy Subsystem IMMediateMEASure Measurement Instruction MEASure Measurement InstructionREAD Measurement Instruction READ Measurement InstructionSENSe CORRection SENSe SubsystemDEVice ELEVations MEDium OFFSet MAGNitude DATA?CORRectionDEVice page 4Non-sequential command CORRectionELEVation0Description SyntaxAttribute CORRectionMEDiumSyntax SummaryAttribute CORRectionOFFSetMAGNitudeSyntax SummaryDATA? ment of an instrument function. Refer to “Measurement Instructions”on page for 30 or 40 secondsQuery Response The following string shows an example of the first few measurements returned by this query STATus Subsystem STATus SubsystemOPERation QUEStionableCONDition? page 3STATus Subsystem Attribute OPERation QUEStionableENABleSyntax SummaryQuery Response OPERation QUEStionableEVENtSyntax AttributeAttribute OPERation QUEStionableNTRansitionSyntax SummaryAttribute OPERation QUEStionablePTRansitionSyntax SummaryTable 4-18. Preset Values PRESetSYSTem Subsystem HEADers?SYSTem Subsystem Attribute ERRorSyntax SummaryAttribute HELPHEADers?Syntax SummaryTable 4-19. Instrument Conditions 1 of PRESetSYSTem Subsystem Table 4-19. Instrument Conditions 2 of SYSTem SubsystemVERSion Table 4-20. SCPI Version NumbersSYSTem Subsystem TRIGger Subsystem TRIGger SubsystemAttribute ABORtSyntax SummarySyntax INITiateCONTinuousNon-sequential command AttributeSyntax INITiateIMMediateNon-sequential command AttributePOWer UNIT SubsystemUNIT Subsystem Programming Commands UNIT Subsystem4-108 Test Performance TestsTest 1. Absolute Wavelength Accuracy Sensitivity 5Test 1. Absolute Wavelength Accuracy 5 Performance TestsCalibration Cycle Testbe damaged when total input power exceeds 18 dBm Test 1. Absolute Wavelength AccuracyTest 2. Sensitivity be damaged when total input power exceeds 18 dBmTest 3. Polarization Dependence be damaged when total input power exceeds 18 dBmProcedure Standard instruments flat contacting connectors Test 4. Optical Input Return LossProcedure Option 022 instruments angled contacting connectors and Regulatory Information”FC/APC patchcord loss Test 4. Optical Input Return LossTest 5. Amplitude Accuracy and Linearity Polarization sensitivityProcedure completely filled in Power Meter Table 5-21. Linearity Data ValuesDesired Power Test 5. Amplitude Accuracy and LinearityPage Specifications and Regulatory Information Laser Safety Information 6Product Overview Specifications and Regulatory Information Specifications and Regulatory InformationCalibration Cycle during manufacturing at 1523.488 nm, or 196.7804 THz the wavelength difference between two signals that are simultaneouslyDefinition of Terms presentlaser lines present to accurately measure wavelength and power the polarization of the input signal is variedpower panel connector, and assumes the user’s connector is goodSpecifications-NORMAL Update Mode Specifications-NORMAL Update ModeWavelength 10 GHz 0.08 nm at 1550 nm, 0.06 nm at 1300 nmSelectivity AmplitudeSensitivity Specifications-NORMAL Update ModeMeasurement Applications Input Return LossMeasurement Cycle Time Specifications-NORMAL Update ModeSpecifications-FAST Update Mode Specifications-FAST Update ModeFAST update mode unless noted. Refer to “Measurement rate” on page 2 WavelengthSensitivity Specifications-FAST Update ModeAmplitude SelectivityMeasurement Cycle Time Specifications-FAST Update ModeInput Return Loss Measurement ApplicationsOperating Specifications Operating SpecificationsOperating Specifications Laser Safety Information Please pay attention to the following laser safety warningsCet appareil ISM est conforme à la norme NMB-001 du Canada Compliance with Canadian EMC RequirementsThis ISM device complies with Canadian ICES-001 Notice for Germany Noise DeclarationDeclaration of Conformity Declaration of ConformityProduct Overview Front view of instrument Rear view of instrumentProduct Overview Specifications and Regulatory Information Product Overview6-16 Agilent Technologies Service Offices Instrument Preset ConditionsError Messages ReferenceSettings after Preset Instrument Preset ConditionsTable 5-22. Instrument Preset Conditions 1 of Settings after PowerInstrument Preset Conditions Table 5-22. Instrument Preset Conditions 2 ofSettings after Power Settings after PresetMenu Maps Menu MapsAppl’s Menu Menu MapsMeasurement Cont Menu Display List by Power MenuDisplay Avg WL Menu There is no menu associated with this keyDisplay List by WL Menu Delta On Menu Menu MapsThere is no menu associated with this key Delta Off Menu Display Peak WL and System Preset MenusMeasurement Single Menu Menu MapsSystem Print Menu Menu MapsSystem Setup Menu Menu MapsError Messages Table 5-23. Instrument Specific Error Messages 1 ofError Number Table 5-23. Instrument Specific Error Messages 2 ofError Messages Error MessageError Number Table 5-23. Instrument Specific Error Messages 3 ofError Messages Error MessageError Number Table 5-24. General SCPI Error Messages 1 ofError Messages DescriptionError Number Table 5-24. General SCPI Error Messages 2 ofError Messages DescriptionError Number Table 5-24. General SCPI Error Messages 3 ofError Messages DescriptionFront Panel Front-Panel Fiber-Optic AdaptersFront-Panel Fiber-Optic Adapters DescriptionPower Cords Power CordsAgilent Technologies Service Offices Plug TypeAgilent Technologies Service Numbers Agilent Technologies Service OfficesPage Numerics IndexIndex Index Index-3Index Index-4Index Index-5Index Index-6Index Index-7Page Page Agilent Technologies  Agilent Technologies GmbH Printed in Germany AugustSecond edition, August 86120-90C03