User`s guide

Optional Tests Performance Tests
Agilent 81689A, 81689B and 81649A Tunable Laser Modules Users Guide, Third Edition 59
•the P” value in the Power Stability field of the test record.
NOTE It is sufficient to test Power Stability for approximately 15 minutes,
rather than 1 hour, since this ensures that the power control loop
works correctly.
Optional Tests
Signal-to-Source Spontaneous Emission
See “Specifications” on page 33 for a definition of Signal-to-Source
Spontaneous Emission.
Signal-to-Source Spontaneous Emission Tests
1 Connect the Tunable Laser module to the Optical Spectrum
Analyzer as shown in Figure 13.
Figure 13 Test Setup for the Source Spontaneous Emission Test - High Power Outputs
2 Move to the Tunable Laser channel of the Agilent 8164A/B
Lightwave Measurement System and press [Menu].
3 Set the menu parameters to the values shown in Table 5
4 Make sure that the optical power output is switched off.
Agilent 8164A/B Lightwave
Measurement System
Tunable Laser
For #021, #071: use 81000AI, 81101AC and 81000AI
For #022, #072: use 81000SI, 81113PC and 81000FI
Optical Spectrum Analyzer