Bending-assisted annealing produces dual-dip heterogeneous LPFGs with enhanced bending sensitivity and opposite responses, enabling decoupled simultaneous sensing of bending, temperature, and humidity via cascaded LPFG-FBG with PDMS and PAAm functionalization.
Distributed multi-parameter sensing using composite optical fibers of hybrid ultra-weak fiber Bragg gratings
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A Dual-Dip Heterogeneous LPFG Sensing System via Annealing under Bending with Temperature and Humidity Compensation
Bending-assisted annealing produces dual-dip heterogeneous LPFGs with enhanced bending sensitivity and opposite responses, enabling decoupled simultaneous sensing of bending, temperature, and humidity via cascaded LPFG-FBG with PDMS and PAAm functionalization.