User`s guide
Accessories Module Options
28 Agilent 81600B Tunable Laser Source Family, Fourth Edition
Module Options
The Agilent 8164A/B Lightwave Measurement System supports one 
Agilent 81600B Family Tunable Laser Source module.
Filler Module
The Agilent 81645A Filler Module is required to operate the 
Agilent 8164A/B mainframe if it is used without a backloadable Tunable 
Laser Source module. It is used to help:
• prevent dust pollution, and
• optimize cooling by guiding the air flow.
See the "Installation and Maintenance" chapter of the Agilent 81600B 
Tunable Laser Source Family User’s Guide for more details on installing the 
Agilent 81645A Filler Module.
Table 1
Agilent 81600B Family Tunable Laser Source modules
Option Description
#200 All-band Tunable Laser Source module for the test of critical DWDM 
components (1440 nm - 1640 nm).
#130 Low SSE Tunable Laser Source module (1260 nm - 1375 nm).
#140 Low SSE Tunable Laser Source module (1370 nm - 1495 nm).
#150 Low SSE Tunable Laser Source module (1450 nm - 1590 nm).
#160 Low SSE Tunable Laser Source module (1495 nm - 1640 nm).
#132 High Power Tunable Laser Source module (1260 nm - 1375 nm), 
+9dBm.
#142 High Power Tunable Laser Source module (1370 nm - 1495 nm),
+8.5dBm.
Table 2
Filler  Module
Model No. Description
Agilent 81645A Filler Module










