Product category: Stand-Alone Instruments
News Release from: DBM Optics | Subject: Model 2004/3112
Edited by the Electronicstalk Editorial Team on 28 July 2003
Spectrum analyser tests
multiple fibre types
The Model 2004/3112 980nm component spectrum analyser system characterises devices from 940 to 1000nm
Typical components in this wavelength range include fibre Bragg gratings, splitters, polarisation beam combiners, and band separators. The dBm Optics Model 2004, coupled with the Model 3112, tests multiple fibre types - including PM aligned components. Until this release, there were no component spectrum analysers available in this wavelength range and none available that could test multiple fibre types.
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Laser source is in tune for testing
The Model 4200 tunable laser source offers 2000nm/s tuning over 150nm
The wavelength range to be tested can often be optimised for the specific device under test within the dBm Optics 2004/3112 system.
With tunable laser sources available at 940-980 and 960-1000nm - and with sources available ranging from 1260-1650nm - a complete, customised test system can be created.
By using its proprietary "power reference" feature, the 2004 component spectrum analyser automatically corrects for laser source output variation.
Further reading
Analyser characterises polarisation dependency
A new and innovative approach allows full characterisation of the polarisation dependency of polarisation-sensitive optical devices
Traditionally, referencing has been problematic at these wavelengths.
The 2004 overcomes these issues to provide very stable and repeatable insertion loss results.
In addition, by using its novel automatic gas cell correction, laser source wavelength errors are virtually eliminated - providing wavelength accuracy of 5ppm.
The dBm Optics 2004 measures at a fast 100,000 readings per second.
This allows both fast power/wavelength characterisation and dynamic characterisation for fast-responding components.
The instrument can be operated from the front panel or remotely from GPIB, RS232, or over an Ethernet network.
Software tools make remote operation fast and simple - including LabView drivers and separate network-based tools.
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