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Credit: The Hong Kong Polytechnic University A research team at Hong Kong Polytechnic University has developed optical fibre sensors used in railway safety monitoring technologies for health monitoring. WHAT IT DOES In a statement, PolyU described the novel Side Hole Polymer Optical Fibre Sensors as biocompatible, supple and extremely sensitive to very small pressure changes inside the human body . Professor Hwa-yaw Tam, lead researcher and head of the university s Department of Electrical Engineering, said the sensors can detect extremely subtle changes even of a difference smaller than 1% of atmospheric pressure – sensitive enough to measure the pressure inside the lungs while breathing, which changes by just a few kilopascals .

South australiaHong kongMonash universityHong kong polytechnic universityUniversity of melbourneOptical societyDepartment of electrical engineeringSide hole polymer optical fibre sensorsHwa yaw tamElectrical engineeringOptics lettersRoyal victorian eyeதெற்கு ஆஸ்திரேலியாஹாங் காங்மோனாஷ் பல்கலைக்கழகம்ஹாங் காங் பாலிடெக்நிக் பல்கலைக்கழகம்