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US 2011/0235970 A1Published application
Quad optical time domain reflectometer (otdr)
AssigneeAFL Telecommunications LLC
InventorsDennis Flora, Scott Prescott, Dale Eddy, Jianxun Fang
Life of this patent
Estimating the term…
Abstract
An optical device that includes a first laser source, a multimode coupler optically connected to the first laser source, a first test port optically connected to the multimode coupler, a second laser source, a singlemode coupler optically connected to the second laser source, a second test port optically connected to the singlemode coupler, a photodetector, and a multimode/singlemode combiner optically connected to the multimode coupler, singlemode coupler and photodetector.
Claims30
An optical device comprising:
- a first laser source;
- a multimode coupler optically connected to the first laser source;
- a first test port optically connected to the multimode coupler;
- a second laser source;
- a singlemode coupler optically connected to the second laser source;
- a second test port optically connected to the singlemode coupler;
- a photodetector;
- and
- a multimode/singlemode combiner optically connected to the multimode coupler, singlemode coupler and photodetector.
6 more elements
An optical device comprising:
- a multimode laser source;
- a 2×2, 50:50 split ratio multimode coupler optically connected to the multimode laser source;
- a multimode test port optically connected to the multimode coupler;
- a singlemode laser source;
- a 1×2, 50:50 split ratio singlemode coupler optically connected to the singlemode laser source;
- a singlemode test port optically connected to the singlemode coupler;
- a photodetector;
- and
- a multimode/singlemode combiner optically connected to the multimode coupler, singlemode coupler and photodetector.
6 more elements
Dependencies are inferred from the claim text.