Measurement of the phase shift between intensity and frequency modulations within DFB-LD and its influences on PGC demodulation in a fiber-optic sensor system

Kai Wang, Min Zhang, Fajie Duan, +2

Applied Optics

EngineeringOptical Transmission SystemOptical ModulationFiber OpticsFiber-optic Communication +19

Automatic variable selection method and a comparison for quantitative analysis in laser-induced breakdown spectroscopy

Fajie Duan, Xiao Fu, Jiajia Jiang, +3

Spectrochimica Acta Part B Atomic Spectroscopy

EngineeringLaser-induced BreakdownSpectroscopyQuantitative AnalysisLaser Safety +4

A high-accuracy non-contact online measurement method of the rotor-stator axial gap based on the microwave heterodyne structure

Guangyue Niu, Fajie Duan, Jiajia Jiang, +1

Mechanical Systems and Signal Processing

Electrical EngineeringEngineeringMicrowave Heterodyne StructureMeasurementMechanical Engineering +7

Research of intelligent segment-fitting algorithm for increasing the measurement accuracy of quadrant detector in straightness measuring system

Cong Zhang, Fajie Duan, Xiao Fu, +3

Optics & Laser Technology

MeasurementCalibrationEducationMeasurement SystemInclinometer +6

Frequency-scanning interferometry for axial clearance of rotating machinery based on speed synchronization and extended Kalman filter

Ruijia Bao, Fajie Duan, Xiao Fu, +3

Optics and Lasers in Engineering

Frequency-scanning InterferometryEngineeringMeasurementAxial ClearanceMechatronics +6

A method for noise attenuation of straightness measurement based on laser collimation

Wenzheng Liu, Cong Zhang, Fajie Duan, +3

Measurement

EngineeringCoherent Gradient SensingMeasurementCalibrationLaser Collimation +8

Blade tip clearance measurement of the turbine engines based on a multi-mode fiber coupled laser ranging system

Haotian Guo, Fajie Duan, Guoxiu Wu, +1

Review of Scientific Instruments

Blade Tip ClearanceEngineeringAerospace EngineeringMeasurementCalibration +13

The design of integrated demodulation system of optical fiber hydrophone array for oceanic oil exploration

Kai Wang, Qingping Shi, Changdong Tian, +4

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Dual-axis optoelectronic level based on laser auto-collimation and liquid surface reflection

Fajie Duan, Xiao Fu, Changwen Liu, +2

Optics & Laser Technology

PhotonicsAdvanced Laser ProcessingEngineeringDual-axis Optoelectronic LevelOptical Properties +9