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Agilent 81689A / 81689B / 81649A
Compact Tunable Laser Modules
Technical Specifications
February 2002
The 81689A, 81689B, 81649A compact tunable laser modules offer superior performance now also in the compact module class. As they are tunable with continuous output power, they are the most flexible stimulus for the test of optical amplifiers, DWDM components as well as for the test of complete DWDM systems.
Compact tunable lasers for C- and L-band
The Agilent 81689A and 81689B modules operate in the C-band from 1525 nm to 1575 nm, whereas the Agilent 81649A covers the L-band from 1570 nm to 1620 nm.
Test of optical amplifiers
A variable amount of the compact, yet fully remote controlled Agilent 81689A, 81689B and 81649A tunable laser modules, in combination with the 81682A and 81642A high power Tunable Laser, is the ideal solution to characterize optical amplifiers for use in DWDM applications. The 81689A, 81689B and 81649A compact tunable laser modules provide the high stimulus power needed to test today's optical amplifiers. Together with the 81651A optical attenuator module, an output power dynamic range of more than
60 dB can be achieved. Even without the attenuator module the power can be attenuated by 9dB (10dB for 81689B) e.g. to equalize power levels of several sources.
measurement conditions on waveguide devices. A PMF cable easily connects an external optical modulator.
The 81689A, 81689B and 81649A is available with both, standard singlemode fiber and Panda type PMF.
Compact module for DWDM multi-channel test
The 81689A, 81689B and 81489A allow a realistic multi-channel test bed for DWDM transmission systems to be set up.
Their flexibility make them the preferred choice for tests of DWDM transmission system during installation and maintenance phases.
Compact spare for DFB modules in ITU grids
The 81689B for the first time solves the sparing nightmare for users of DWDM combs. In combination with a comb of 81662A DFB lasers the 81689B can replace any DFB between 1525nm and 1575nm without power penalty.
Polarization Maintaining Fiber for the test of integrated optical devices
The 81689A, 81689B and 81649A modules are ideally constructed to characterize integrated optical devices. Their optional Panda PMF output ports provide a well defined state of polarization to ensure constant
Remote control & PnP software drivers for easy process automation
Its continuous, mode-hop free tuning makes it quick and easy to set even the most complex configurations to the target wavelengths and power levels, just by dialing or using the vernier keys.
A 8163B mainframe can host
2 compact tunable laser modules. This allows for the most compact C- and L- band stimulus solution available today.
Each 8164B mainframe can host up to four units of the 81689A, 81689B or 81649A in its upper slots.
The 8166B is most interesting for high channel count solutions. Up to
17 compact tunable laser modules can be hosted here.
The 81649A, 81689A and 81689B are produced to ISO 9001 international quality system standard as part of Agilent's commitment to continually increasing customer satisfaction through improved quality control.
Specifications describe the instrument's warranted performance. They are verified at the end of a 2 m long patchcord and are valid after warm-up and for the stated output power and wavelength ranges.
Each specification is assured by thoroughly analyzing all measurement uncertainties. Supplementary performance characteristics describe the instrument’s non-warranted typical performance.
Every instrument is delivered with a commercial certificate of calibration and a detailed test report.
For further details on specifications, see the Definition of Terms in Appendix C of the Compact Tunable Laser User's Guide.
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