User`s guide

Performance Test Instructions Performance Tests
Agilent 81689A, 81689B and 81649A Tunable Laser Modules User’s Guide, Third Edition 49
General Test Setup
Insert an Agilent 81689A, Agilent 81689B or Agilent 81649A Compact
Tunable Laser Module from the front into slot 1 of the
Agilent 8164A/B Lightwave Measurement System.
Wavelength Tests
Connect the Tunable Laser module to the Wavelength Meter as shown
in Figure 11.
Figure 11 Test Setup for Wavelength Tests
General Settings of Wavelength Meters for all
Wavelength Tests
Set the Burleigh WA-1500 to the following settings:
• Set Display to Wavelength.
• Set Medium to Vacuum.
• Set Resolution to Auto.
•Set Averaging to On.
• Set Input Attenuator to Auto.
Wavelength Accuracy
The steps below explain how to calculate the Relative Wavelength
Accuracy, and the Absolute Wavelength Accuracy Result.
Relative Wavelength Accuracy
1 Move to the Tunable Laser channel of the Agilent 8164A/B
Lightwave Measurement System and press [Menu].
Agilent 8164A/B Lightwave
Measurement System
Wavelength Meter
Tunable Laser
For #021, #071: use 81000AI and 81101PC
For #022, #072: use 81000SI and 81113PC
Straight
Connector