Femtosecond laser direct writing of long period fiber grating sensor with high refractive index sensitivity
Min Peng, Zhiqi Lu, Yi Tang, Chi Li, Jie Ren, Changli Dong, Changning Liu
Topics & Concepts
Materials scienceFemtosecondOpticsRefractive indexGraded-index fiberLaserNormalized frequency (unit)Long-period fiber gratingCore (optical fiber)OptoelectronicsFiber Bragg gratingFiber optic sensorGratingOptical fiberWavelengthFiberComposite materialPhysicsPhase noiseFrequency synthesizerPhase-locked loopAdvanced Fiber Optic SensorsAdvanced Fiber Laser TechnologiesPhotonic Crystal and Fiber Optics