174 8163A/B, 8164A/B, 8166A/B User’s Guide
6 Compact Tunable Lasers
Compact Tunable Laser modules
The Keysight compact Tunable Laser Source (TLS) family includes:
Table 13 The Keysight compact TLS family
The Keysight 81980A, 81960A, 81940A, 81989A, 81949A Compact TLS
modules provide high output power up to +13 dBm.
• The 81980A and 81989A cover the S and C bands, with high power in
the C band.
• The 81960A, 81940A and 81949A cover the C and L bands, with high
power in the L band.
Each module covers a total wavelength range of 110 nm. The 81960A
covers a range of 125 nm.
Module Description
81980A S and C band compact TLS with SBS suppression for swept
applications
81940A,
81960A
C and L band compact TLS with SBS suppression for swept
applications
81944A C and L band compact TLS with SBS suppression for swept
applications used with PMD test system N3909A
81989A S and C band compact TLS with SBS suppression
81949A C and L band compact TLS with SBS suppression
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