electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Photonic (Sensor) Technologies for Future Very Large Volume Neutrino Telescopes Mar van der Hoek Nikhef- the National institute for subatomic physics / VanderHoekPhotonics /

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT  Optical Fibre as distributed sensor  Photonic sensors for distributed sensing of strain and temperature  Photonic sensors for chemical parameters  Novel type of fibres enabling advanced sensing principles  Implementation of photonic sensors in KM3NeT  Distributed sensors for Sea bed monitoring  Conclusions Outline of the Presentation

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Fibre Based Telecom versus Fibre Based Sensors

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Light source Detector Photonic Sensor- basic configuration for point sensing

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Fibre Bragg Gratings- spectrally encoded sensors

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Fibre acts as a ‘integral distributed sensor’ Photonic Sensor- integral distributed sensing

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Detector Switch/ splitter Photonic Sensor- spatial resolved distributed sensing OPT. POWER TIME

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Strain and Temperature Induced Effects on Backscattered Light

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Optical Fibre-based Distributed Strain Sensing

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Optical Fibre as Distributed Strain Sensor in VLVnTs COMPRESSION STRAIN

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Optical Fibre as Distributed Temperature Sensor in VLVnTs TEMPERATURE

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Optical Fibre as Distributed Chemical sensor

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Microstructured Optical Fibres : Enabling Novel Sensing Concepts Gas-or liquid flow through holes for Chemical sensing!

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Photonic Sensing in KM3NeT  Optimization of string deployment techniques  Measurement of strain in electro-optic cable  Measurement of strain in vertical strings  Detection of vertical temperature gradient along strings  Sensors for associated sciences  Distributed detection of chemical parameters  And so on… Applications

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT Fibre-based sensor cable, embedded in trench or spot-fixed to sea bed Photonic Sensing of seabed- plate tectonics

electronic department FE April M.J. van der Hoek Mar van der Hoek Photonic Technologies for Future VLVnT …a Happy Marriage between Telecoms and Sensors…