Cost-effective, light-based monitoring of health of power lines
The Hindu
Researchers at IIT Madras have demonstrated that by using Raman thermometry on fibre optic cables, they can achieve monitoring of power transmission cables. Interestingly, they achieve this by using the optical fibres that are already embedded in the power cables for establishing optical communication. The work is part of a larger ongoing project on distributed fibre sensors and has been published recently in IEEE Sensors Journal.
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