A5048229693- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Magneto-Optical Properties and Applications
- Gas Sensing Nanomaterials and Sensors
- Advanced MEMS and NEMS Technologies
- Analytical Chemistry and Sensors
- Photonic Crystal and Fiber Optics
- Semiconductor Lasers and Optical Devices
- Optical Imaging and Spectroscopy Techniques
- Advanced Measurement and Metrology Techniques
- Advanced Photonic Communication Systems
- Optical measurement and interference techniques
- Offshore Engineering and Technologies
- Advanced Sensor and Control Systems
- Plasma Diagnostics and Applications
- Optical Network Technologies
- Mechanical and Optical Resonators
- Digital Holography and Microscopy
- Laser Design and Applications
- Plasma Applications and Diagnostics
- Oil and Gas Production Techniques
- Spectroscopy and Laser Applications
- Advanced Sensor and Energy Harvesting Materials
- Structural Integrity and Reliability Analysis
Hubei Normal University
2016-2025
Changshu Institute of Technology
2023-2025
Liaoning Shihua University
2024-2025
Shenzhen Bao'an District People's Hospital
2025
Shaoxing People's Hospital
2024
Jiangsu Frontier Electric Technology Co., Ltd. (China)
2020-2023
Nanjing Institute of Railway Technology
2020-2023
Shanghai University of Electric Power
2023
Anhui University of Technology
2023
Changzhou University
2023
A novel design of a two-port printed microstrip rectenna with compact structure for communication systems is presented. An aperture-coupled dual polarization patch antenna utilized as the receiving antenna. The vertical feed port receives microwave energy and transfers it to rectifying circuit dc power generation, while horizontal used data communication, high isolation between two ports. This includes harmonic suppression functionality, which essential microwave-direct current (mw-dc)...
An ultra-sensitive sensor, based on two Fabry-Perot interferometers (FPIs), has been realized for temperature and pressure sensing. A polydimethylsiloxane (PDMS)-based FPI1 was used as a sensing cavity, closed capillary-based FPI2 reference cavity its insensitivity to both pressure. The FPIs were connected in series obtain cascaded showing clear spectral envelope. sensitivities of the proposed sensor reach up 16.51 nm/°C 100.18 nm/MPa, which are 25.4 21.6 times, respectively, larger than...
A high sensitivity optical fiber gas pressure sensor based on the enhanced Vernier effect is proposed. The composed of a Fabry-Perot interferometer (FPI) and Mach-Zehnder (MZI). Since interference fringes FPI MZI drift in opposite direction with change pressure, when their free spectral ranges are similar, formed after cascading. Compared traditional sensor, realizes much higher measurement without complex manufacturing process or desensitized reference interferometer. experimental results...
In this study, we believe is a novel and compact fiber optic sensor for measuring strain vector magnetic fields that has been proposed examined. The comprised of sequence two bubbles tapered with diameter 31µm, offering maximum sensitivity -44.5 pm/µɛ. A susceptible field sensing structure can be achieved by simply bonding the device to magnetostrictive material. Results demonstrate exhibits -0.7838 nm/mT, linear fit 0.9931 within 8 28 mT. direction calculated 230.85 pm/° 24 This work...
An optical fiber Fabry-Pérot interferometer (FPI) based on an air cavity with a microchannel is proposed and demonstrated for gas pressure measurement. The inner fabricated by fusion splicing single-mode (SMF) microhole at the end facet to another section of SMF, then creating vertically cross allow flow in. As cascaded short three-beam interference pattern produced, which shifts variation in due refractive index change gas. In order compensate temperature effect, multiple-dip tracing...
A high sensitivity optical fiber temperature and gas pressure sensor with integrated micro-cavity is proposed. First, a single-mode (SMF) spliced section of capillary, then the sensitive material polydimethylsiloxane (PDMS) filled into capillary to form Fabry-Perot interferometer (FPI). Finally, femtosecond laser used ablate core SMF third reflecting surface, constituting two cascaded FPIs. When FPIs have similar free spectral range, Vernier effect produced. The reached 14.41 nm/°C 113.82...
A long period fiber grating (LPFG) was inscribed in a tapered two-mode (TMF) by using CO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> laser pulse point-to-point direct writing technique. TMF is spliced between two segments of single mode (SMF), then to waist diameter <inline-formula xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$55 \mu \text{m}$ </tex-math></inline-formula> , and this structure cannot form...
An ultrasensitive fiber optic magnetic field sensor based on Fabry–Perot interferometer (FPI1) and magnetostrictive material Terfenol-D is proposed. A low fineness FPI1 made by inserting a tapered two-mode (TMF) into hollow-core (HCF). Due to the increased effective length of strain, particularly sensitive axial strain. Then, bonded FPI1. excellent stretching properties under action field, adhered also has high sensitivity field. The experiment found that in large range 9.7–92.4 mT, reached...
We have designed a highly sensitive optical fiber transverse load and axial strain sensor based on the cascaded Fabry–Perot (F–P) cavity Sagnac loop. F–P is composed of an air-bubble formed by Section quartz capillary discharge. Fiber loop made winding panda (PF) through 3 dB coupler. When free spectral ranges (FSRs) two interferometers are similar, they to form Vernier effect, which amplifies sensitivity sensor. The experimental results show that sensitivities up 19.1 nm/N 28.9 pm/...
Abstract A novel hybrid interferometer sensor composed of a tapered seven-core fiber (TSCF) and polydimethylsiloxane (PDMS) cap at the end face TSCF is proposed for simultaneous measurement temperature gas pressure. forms Michelson (MI), PDMS on surface Fabry–Pérot (FPI). The sensing head consisted cascade MI FPI. When external or pressure changes, owing to thermal effect elastic deformation PDMS, interference spectrum FPI shifts significantly, so very sensitive MI, which made quartz optical...
A parallel optical fiber Fabry–Perot interferometer (FPI) and Vernier effect sensor for simultaneous high-sensitivity measurement of relative humidity (RH) temperature is proposed verified by experiments. Two sections a single-mode (SMF) are fixed on the precision displacement platform, aligning them leaving small gap between them, then filling with polydimethylsiloxane (PDMS) polyimide (PI), respectively, to form two (F–P) cavities. To produce when F–P cavities connected in parallel, length...
Novel optical fiber temperature sensors, comprising two cascaded Fabry–Perot interferometer (FPI) cavities, have been proposed to realize ultrahigh sensitivity based on the mechanism of harmonic Vernier effect (HVE). Three reference FPIr1, FPIr2, and FPIr3, were sensing cavity (FPIs) fabricate sensor1, sensor2, sensor3, respectively. Sensor1 is designed for traditional (TVE)-based experiments with almost same detuning as sensor2 is; sensor3 are HVE-based order <inline-formula...
A novel whispering-gallery mode (WGM) sensor is fabricated by coupling a tapered two-mode fiber and glass capillary. By utilizing the relatively large orifice of capillaries, polydimethylsiloxane (PDMS) magnetic fluid are directly injected into two WGM structured respectively, allowing these materials to substantially interact with light field WGM, thereby achieving temperature, pressure, measurements. λ1 λ2 resonant peak wavelengths after injecting PDMS λ3 wavelength The experiments found...