Effect of pulse depletion in a Brillouin optical time-domain analysis system

Energy transfer between the interacting waves in a distributed Brillouin sensor can result in a distorted measurement of the local Brillouin gain spectrum, leading to systematic errors. It is demonstrated that this depletion effect can be precisely modelled. This has been validated by experimental tests in an excellent quantitative agreement. Strict guidelines can be enunciated from the model to make the impact of depletion negligible, for any type and any length of fiber.


Published in:
Optics Express, 21, 12, 14017-14035
Year:
2013
Publisher:
Washington, Optical Society of America
ISSN:
1094-4087
Keywords:
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 Record created 2013-06-05, last modified 2018-03-17

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