Keysight Technologies 8163A

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202 8163A/B, 8164A/B, 8166A/B User’s Guide

7 Return Loss Measurement

Figure 124 The Calibration Parameters Screens - User Data

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Default Chapter4
- Table of Contents4
Safety Considerations19
- Safety Symbols19
- General19
- Operating Environment20
- Line Power Requirements20
- Input/Output Signals21
- Line Power Connectors21
- Instrument Markings22
Laser Safety Information24
- Laser Safety Labels32
8163A/B Lightwave Multimeter35
8164A/B Lightwave Measurement System36
8166A/B Lightwave Multichannel System37
A Description of the User Interface38
- Password39
- User Interface Features40
- How to Navigate/Modify the Display41
How to Change the Value of a Parameter55
- How to Select a Parameter55
- How to Accept the New Value of a Parameter55
- How to Make a Big Change to a Continuous Parameter55
- How to Make a Small Change to a Continuous Parameter56
- How to Change a Discrete Parameter57
- How to Set All Parameters to Their Default Values58
- If You Make a Mistake58
- If the Parameter Changes to Different Value58
A Sample Session59
- How to Measure the Power of a Modulated Signal59
- Additional Information62
Using the System Utilities63
- How to Set the Backlight64
- How to Set the Date & Time66
- How to Lock/Unlock the High-Power Laser Sources68
- How to Set the Trigger Configuration69
- How to Configure Startup Applications70
- How to Configure Your Foot Pedal71
- How to Set the GPIB Address73
- How to Configure LAN74
- How to Set the Speed of the Serial Interface88
- How to Update a Module89
- How to Select the Printer Type90
- How to Change the Password92
- If You Forget Your Password92
- How to Get Information about Modules92
- How to Get Information about the Mainframe95
How to Connect an External Monitor96
How to Connect a Printer98
- Power Measurement100
How to Measure Power101
- The Power Value101
- How to Set the Power Unit102
- How to Set the Calibration Offset103
- How to Set the Reference Level104
- How to Set the Wavelength107
- How to Remove Electrical Offsets107
- How to Choose the Range Mode110
- How to Set the Range111
- How to Set the Averaging Time116
- How to Choose the Minmax Mode117
- How to Turn off Minmax Mode119
- How to Hold the Screen120
- How to Use Triggers120
- Dual Power Meters - Master and Slave Channels123
- Laser Sources124
How to Use Laser Source Modules125
- The Laser Wavelength Value125
- How to Enable/Disable Laser Output126
- How to Set Attenuation127
- How to Modulate the Optical Output128
- How to Use the Internal Modulation128
- How to Use Triggers131
- Tunable Lasers134
What Is a Tunable Laser135
- How to Set the Power135
- How to Set the Output Power of a CW Signal135
- What Is Excessive Power140
- How to Set the Laser to the Dark Position141
- The Analog Output142
How to Set the Wavelength144
- Wavelength Range144
- How to Set the Wavelength Directly144
- How to Set a Relative Wavelength145
How to Perform a Wavelength Sweep148
- What Is a Wavelength Sweep148
- How to Set the Wavelength Sweep148
- How to Perform a Sweep150
How to Modulate a Signal156
- How to Use the Internal Modulation156
- How to Use External Modulation157
- How to Configure the Modulation Output162
How to Use Triggers164
- How to Use Input Triggering164
- How to Use Output Triggering166
How to Use Auxiliary Functions168
- Automatic Realignment168
- How to Perform a Lambda Zero170
- Auto Cal off171
- Compact Tunable Lasers174
Compact Tunable Laser Modules175
How to Use a Compact Tunable Laser176
- The User Interface176
- Return Loss Measurement178
Getting Started with Return Loss179
- What Is Return Loss179
- What Is Insertion Loss179
- Equipment Required180
- How to Choose a Light Source181
- Return Loss Modules182
Calibration Measurements184
Return Loss Measurement185
- Patchcord on RL Module Output185
- Setup185
- Calibrating the Return Loss Module189
- Calibration Using the Keysight 81000BR Reference Reflector190
- Calibration Using the Keysight 81610CC Reference Cable193
- How to Measure Return Loss199
- Viewing the Calibration Values200
A Background to Return Loss Measurement204
- Factor204
- Reference205
- Measuring the Power Transmitted through the Reflection Reference205
- Measuring the Power When There Are no Reflections206
- Measuring the Power Transmitted through the Measurement Patchcord206
- Measuring the Reflections from the DUT207
- Measuring the Power Transmitted through the DUT207
- Calculating the Return Loss of the DUT208
- Calculating the Front Panel Delta210
- Calculating the Insertion Loss of the DUT212
- Setting Attenuation And/Or Power Levels214
Keysight 8157Xa Variable Optical Attenuator Modules215
How to Use a Variable Optical Attenuator Module217
- The User Interface217
- How to Control the Shutter220
- How to Set Attenuation221
- Calibrating Test Setups that Use an 81570A/71A/73A/78A224
  - How to Set a Power Level225
- Attenuator Module226
Keysight 8159Xb Optical Switch Modules239
- Options239
How to Use an Optical Switch Module241
- The User Interface241
- Dependent and Independent Routing243
- How to Set Route a243
- How to Set Route B244
- How to Toggle the Switch Path244
Typical Applications245
- Selecting a Laser Source245
- Selecting Measurement and Calibration Paths245
- Inserting or Bypassing an Optical Component246
- Selecting One of Several Duts in a Parallel Test Setup246
- Selecting One of Several Instruments247
- Applications248
Working with Application Graphs250
- How to Set Markers251
- How to Zoom in251
- How to Zoom out252
- To Switch the Grid On/Off252
- How to Use Legends252
- How to Select the Samples Display254
- How to Read Curve Values257
The Logging Application262
- How to Set up a Logging Function263
- Running a Logging Application268
- Analysing a Logging Application270
- On-Screen Messages274
The Stability Application275
- How to Set up a Stability Function276
- Analysing a Stability Application283
- On-Screen Messages287
The PACT Application288
- What Is the PACT288
- How to Set up PACT288
- How to Measure the Reference292
- How to Perform a Loss Measurement295
- Analysing a PACT Measurement300
- On-Screen Messages302
The Pmax Curve303
- What Is the Pmax Curve303
- How to View the Pmax Curve303
The Return Loss Application304
- Starting the Application304
- Measuring Return Loss304
- Measuring Return Loss and Insertion Loss304
- On-Screen Messages305
- Configuration305
- User Interface306
Recording Measurement Results308
- Printing Application Measurement Results308
- Saving Application Measurement Results to Diskette (Not Available on Later Units)311
- Installation and Maintenance314
Safety Considerations315
Initial Inspection316
AC Line Power Supply Requirements317
- Line Power Requirements317
- Line Power Cable317
- Changing the Battery321
- Changing the Fuse321
Operating and Storage Environment322
- Temperature322
- Humidity322
- Altitude323
- Pollution Protection323
- Storage and Shipment323
- Instrument Cooling323
- Storage Position325
- Carrying the Instrument326
Using Modules328
- How to Fit and Remove Modules328
- Adding a Connector Interface334
- Protecting Empty Module Slots334
Input and Output Connectors336
- The Remote Interlock (RIL) Connector338
GPIB Interface339
- Cables and Adapters339
- Connector339
GPIB Logic Levels341
Serial Interface342
Parallel Port, PCMCIA Slot, Keyboard Connector and 24V DC Output343
Claims and Repackaging344
- Return Shipments to Keysight Technologies344
- Accessories346
Instrument and Options - Keysight 8163A/B347
Instrument and Options - Keysight 8164A/B348
Instrument and Options - Keysight 8166A/B349
- Modules350
- Keysight 81645A Filler Module354
GPIB Cables and Adapters355
- Specifications and Regulations Compliance357
8163A Specifications357
Keysight 8163B Specifications358
8164A Specifications359
Keysight 8164B Specifications360
8166A Specifications361
Keysight 8166B Specifications362
Declarations of Conformity363
- Keysight 8163A Lightwave Multimeter363
- Keysight 8163B Lightwave Multimeter364
- Keysight 8164A Lightwave Measurement System365
- Keysight 8164B Lightwave Measurement System366
- Keysight 8166A Lightwave Multichannel System367
- Keysight 8166B Lightwave Multichannel System368
Regulations Information369
- Safety Canada369
- EMC Canada369
- EMC Australia/New Zealand369
- Error Messages370
Syst:err371
Screen Status Messages373
Mainframes374
- 8163A374
- 8163B374
- 8164A375
- 8164B375
- 8166A376
- 8166B377
Errors Appearing on Pop-Up Menus378
- Error on Module378
- Error381
Tunable Laser Sources383
- Initialization Tests383
- Selftests390
Return Loss Meters396
Power Meters & Interface Modules with Optical Head401
Fixed Laser Sources (Fabry Perot)408
DFB Laser Sources413
Attenuator Modules416
Optical Switch Modules419
- Cleaning Instructions424
Safety Precautions426
Why Is It Important to Clean Optical Devices427
What Do I Need for Proper Cleaning428
- Standard Cleaning Equipment428
- Additional Cleaning Equipment430
Preserving Connectors433
- Making Connections433
- Dust Caps and Shutter Caps433
- Immersion Oil and Other Index Matching Compounds433
Cleaning Instrument Housings434
Which Cleaning Procedure Should I Use435
- Light Dirt435
- Heavy Dirt435
How to Clean Connectors436
- Preferred Procedure437
- Procedure for Stubborn Dirt437
- An Alternative Procedure438
How to Clean Connector Adapters439
- Preferred Procedure439
- Procedure for Stubborn Dirt439
How to Clean Connector Interfaces440
- Preferred Procedure440
- Procedure for Stubborn Dirt440
- How to Clean Bare Fiber Adapters440
- Preferred Procedure441
- Procedure for Stubborn Dirt441
How to Clean Lenses442
- Preferred Procedure442
- Procedure for Stubborn Dirt442
How to Clean Instruments with a Fixed Connector Interface443
How to Clean Instruments with an Optical Glass Plate444
How to Clean Instruments with a Physical Contact Interface445
- Preferred Procedure446
- Procedure for Stubborn Dirt446
How to Clean Instruments with a Recessed Lens Interface447
- Preferred Procedure447
- Procedure for Stubborn Dirt447
Stress and Pressure 447448
How to Clean Optical Devices Which Are Sensitive to Mechanical Stress and Pressure448
- Preferred Procedure448
- Procedure for Stubborn Dirt448
- Alternative Procedure448
How to Clean Metal Filters or Attenuator Gratings449
- Preferred Procedure449
- Procedure for Stubborn Dirt449
Additional Cleaning Information450
- Other Cleaning Hints452
- Firmware Upgrades454

Keysight Technologies 8163A - Page 203

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