A5061970671- Advanced Fiber Optic Sensors
- Advanced MEMS and NEMS Technologies
- Spectroscopy and Chemometric Analyses
- Photonic Crystal and Fiber Optics
- Advanced Sensor and Energy Harvesting Materials
- Spectroscopy Techniques in Biomedical and Chemical Research
- EEG and Brain-Computer Interfaces
- Advanced Fiber Laser Technologies
Yanshan University
2022-2023
A multi-parameter sensor based on dumbbell-shaped double-cladding fiber (DCF) structure cascaded long period grating (LPFG) is proposed and fabricated. It formed by discharging between single mode (SMF) DCF to form a waist-enlarged taper then cascading two LPFGs. When the affected thermal expansion effect, thermo-optic effect elasto-optic resonant peaks inter-mode interference will shift, shifts generated different are also different. By demodulating wavelength shift of three peaks,...
A directional curvature sensor using excentric heterogeneous fiber (EHF) filled polydimethylsiloxane (PDMS) with spherical structure is proposed and prepared. The main of the an EHF cascaded two structures made single-mode fibers (SMFs), cladding eccentric core are corroded PDMS. asymmetry causes it to transmit asymmetric modes. It produces different spectral shift effects for bending in directions, so can be used detection multiple directions. Experimental results show that range 0–0.73...
A method for measurement of antiepileptic drug concentrations based on Raman spectroscopy and an optimization algorithm mathematical models are proposed investigated.