User`s guide
Optional Tests Performance Tests
Agilent 81689A, 81689B and 81649A Tunable Laser Modules User’s 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