Test systems that include a centering system for aligning an optical pulse launching device with a multi-mode fiber and methods of operating the same
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United States of America Patent
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Sep 30, 2014
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app pub date -
Mar 10, 2011
filing date -
Mar 10, 2010
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Abstract
A test system for a multi-mode fiber comprises a launching device that is configured to generate optical pulses and has a rest position. A centering system is operable to move the launching device in a circular motion having a center corresponding to the rest position and a diameter corresponding to a core diameter of the multi-mode fiber. The centering system is further operable to adjust a position of the multi-mode fiber relative to the launching device while the launching device is moving in the circle until an optical power coupled from the launching device into the multi-mode fiber is below a threshold. The centering system optically centers the launching device with the multi-mode fiber by fixing the position of the multi-mode fiber responsive to the optical power coupled from the launching device into the multi-mode fiber being below the threshold and returning the launching device to the rest position. In addition, the centering system can move the launching device in a circular motion to launch optical pulses into a multi-mode fiber to perform differential mode delay measurements, which may result in better screening of any circular inhomogeneity of the core of the multi-mode fiber.
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- 15 United States
- 10 France
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- 5 Korea
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Patent Owner(s)
- COMMSCOPE, INC. OF NORTH CAROLINA
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Sengupta, Abhijit | Alpharetta, US | 7 | 61 |
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