Fiber Bragg grating
View article: Applications of optical fiber sensors in marine observation: a review
Applications of optical fiber sensors in marine observation: a review Open
Accurate, continuous, and in situ monitoring of marine environmental parameters and their dynamic changes is essential for understanding oceanic processes, predicting ecological evolution, and ensuring safety in marine engineering and nati…
View article: Intramodal stimulated Brillouin scattering in suspended AlN waveguides
Intramodal stimulated Brillouin scattering in suspended AlN waveguides Open
Aluminum nitride (AlN), a wide-bandgap III–V material, offers excellent transparency in the optical communication band and a favorable refractive index for strong optical confinement, making it a promising platform in stimulated Brillouin …
View article: Design and fabrication of liquid crystal optical phased arrays with wide deflection angle
Design and fabrication of liquid crystal optical phased arrays with wide deflection angle Open
Liquid crystal optical phased array (LCOPA) is a beam deflection technology based on devices such as liquid crystal spatial light modulators and liquid crystal polarization gratings to achieve precise angular control. Compared with mechani…
View article: Nonlinearity and Dispersion Controlled All-Fiber High-Energy Femtosecond Chirped Pulse Amplification System with Peak Power More than 0.5 GW
Nonlinearity and Dispersion Controlled All-Fiber High-Energy Femtosecond Chirped Pulse Amplification System with Peak Power More than 0.5 GW Open
A monolithic all-fiber high-energy chirped pulse amplification (CPA) system with a managed large dispersion is demonstrated. To lower the system’s nonlinearity, two temperature-tuning cascaded chirped fiber Bragg gratings (CFBGs) with a la…
View article: Tamm Plasmon Polaritons: Principle, Excitation, and Sensing Applications
Tamm Plasmon Polaritons: Principle, Excitation, and Sensing Applications Open
Tamm plasmon polaritons (TPPs) have garnered increasing attention across various fields, particularly in sensing, owing to their advantageous properties such as flexible tunability, extremely narrow linewidth, straightforward fabrication o…
View article: Pulsed Raman Lasing in Diode-Pumped Multimode Graded-Index Fiber with Tuned Femtosecond-Laser-Inscribed Bragg Grating
Pulsed Raman Lasing in Diode-Pumped Multimode Graded-Index Fiber with Tuned Femtosecond-Laser-Inscribed Bragg Grating Open
Raman lasers based on multimode graded-index (GRIN) fibers directly pumped by laser diodes are the object of intensive research, promising to produce high-power, high-quality beams at new wavelengths. In this paper, we demonstrate a pulsed…
View article: Single-mode high-power delivery of 9.3 μm CO₂ laser by chalcogenide anti-resonant hollow-core fiber
Single-mode high-power delivery of 9.3 μm CO₂ laser by chalcogenide anti-resonant hollow-core fiber Open
View article: In situ stress monitoring and calibration of fiber Bragg Gratings embedded inside aluminum samples at high temperatures
In situ stress monitoring and calibration of fiber Bragg Gratings embedded inside aluminum samples at high temperatures Open
Hot tears are one of many defects in castings and weldings. Especially in weldings, this crack-like defect leads to failure or rejection in production. Nevertheless, castings are also being affected by this phenomenon. Several attempts exi…
View article: 6 kW near single-mode monolithic fiber laser oscillator based on core NA design of confined ytterbium-doped fiber
6 kW near single-mode monolithic fiber laser oscillator based on core NA design of confined ytterbium-doped fiber Open
View article: Hotspot Detection in Photovoltaic Modules with Fiber Bragg Grating and Brillouin Distributed Temperature Sensors
Hotspot Detection in Photovoltaic Modules with Fiber Bragg Grating and Brillouin Distributed Temperature Sensors Open
The increasing deployment of photovoltaic (PV) installations presents critical challenges related to module safety and efficiency. Early detection of hotspots on PV modules is crucial to prevent degradation and mitigate fire risk. This stu…
View article: Direct Laser Writing of Ultrathin and Scalable Optomechanical Membranes in Fiber‐Tip Micro‐Cavities for Multi‐Gas Photoacoustic Spectroscopy
Direct Laser Writing of Ultrathin and Scalable Optomechanical Membranes in Fiber‐Tip Micro‐Cavities for Multi‐Gas Photoacoustic Spectroscopy Open
Optical fiber acoustic sensors with high sensitivity and compact footprints have advanced the development of miniaturized photoacoustic spectroscopy, rendering them attractive for in situ and real‐time trace gas detection. However, the lim…
View article: Development and characterization of fibre bragg grating sensor packaging for aircraft structural health monitoring applications
Development and characterization of fibre bragg grating sensor packaging for aircraft structural health monitoring applications Open
View article: Enhanced Low-Energy Impact Localization for Carbon-Fiber Honeycomb Sandwich Panels Using LightGBM
Enhanced Low-Energy Impact Localization for Carbon-Fiber Honeycomb Sandwich Panels Using LightGBM Open
Low-energy impacts have been demonstrated to cause damage and failure in aircraft structures, thereby affecting the structural load-bearing performance and creating safety hazards. In this study, an innovative damage-monitoring method base…
View article: Optical Spectrum Dataset for Dual-Peak Temperature Measurements
Optical Spectrum Dataset for Dual-Peak Temperature Measurements Open
1. Dataset Overview This dataset contains 17 optical spectrum measurements recorded at different temperature points using an Optical Spectrum Analyzer (OSA) (Anritsu MS9710B). Each measurement consists of: - One spectrum file (DATAxxx.TXT)…
View article: Intensity modulation approach for dual point pressure sensor using a single illuminated polymer optical fiber
Intensity modulation approach for dual point pressure sensor using a single illuminated polymer optical fiber Open
View article: Displacement Sensor Based on Cross-Coupling Method for High Resolution and Sensitivity Using Polymer Optical Fiber
Displacement Sensor Based on Cross-Coupling Method for High Resolution and Sensitivity Using Polymer Optical Fiber Open
View article: Experimental investigation of temperature distribution in massive concrete using fiber optic sensing technology
Experimental investigation of temperature distribution in massive concrete using fiber optic sensing technology Open
View article: Invited Paper: High-power monolithic narrow-linewidth 1.6 mJ/8 ns fiber laser system based on all-glass spun tapered double-clad fiber amplifier
Invited Paper: High-power monolithic narrow-linewidth 1.6 mJ/8 ns fiber laser system based on all-glass spun tapered double-clad fiber amplifier Open
View article: Optical Spectrum Dataset for Dual-Peak Temperature Measurements
Optical Spectrum Dataset for Dual-Peak Temperature Measurements Open
1. Dataset Overview This dataset contains 17 optical spectrum measurements recorded at different temperature points using an Optical Spectrum Analyzer (OSA) (Anritsu MS9710B). Each measurement consists of: - One spectrum file (DATAxxx.TXT)…
View article: Experimental Investigation on the Mechanisms of Fiber Bragg Gratings to Monitor the Failure Processes of Pre-Cracked Sandstone Specimens
Experimental Investigation on the Mechanisms of Fiber Bragg Gratings to Monitor the Failure Processes of Pre-Cracked Sandstone Specimens Open
Real-time monitoring of internal fracture evolution in fractured rock masses using fiber Bragg grating (FBG) technology can help mitigate geotechnical hazards. This study employed FBG, acoustic emission (AE), and digital image correlation …
View article: Cryogenic-compatible ultrahigh rejection and narrowband sinusoidal Bragg filter for integrated quantum photonics
Cryogenic-compatible ultrahigh rejection and narrowband sinusoidal Bragg filter for integrated quantum photonics Open
View article: Development of a Spindle-Type FBG Pressure Sensor for Pressure Monitoring at the Wind Turbine Foundation Ring–Concrete Interface
Development of a Spindle-Type FBG Pressure Sensor for Pressure Monitoring at the Wind Turbine Foundation Ring–Concrete Interface Open
This study presents a fiber Bragg grating (FBG) pressure sensor with a spindle-type protective structure, optimized using the NSGA-II algorithm, for monitoring pressure variations at the contact interface between wind turbine foundation ri…
View article: Response Characteristics of Yb-doped Fiber Lasers to Gamma-ray Radiation
Response Characteristics of Yb-doped Fiber Lasers to Gamma-ray Radiation Open
Exploited in radiation environments, including space, nuclear reactors and large accelerators, fibers would experience significant parameter change induced by the interaction with radiation, including radiation induced attenuation, radiati…
View article: Integrated High Rejection Ratio Pump Filter Using an Optimized Waveguide Bragg Grating
Integrated High Rejection Ratio Pump Filter Using an Optimized Waveguide Bragg Grating Open
View article: Compact Hybrid-integrated Multi-port Multi-wavelength Laser Source Based on High-power DFB Laser Array for Optical I/O Technology
Compact Hybrid-integrated Multi-port Multi-wavelength Laser Source Based on High-power DFB Laser Array for Optical I/O Technology Open
View article: Self‑imaging grating couplers for silicon photonics
Self‑imaging grating couplers for silicon photonics Open
Fiber–to–chip coupling often limits the practical performance of photonic integrated devices. In selecting a coupling strategy, designers balance coupling efficiency, optical bandwidth, fiber‑array compatibility, polarization‑dependent los…
View article: Experimental and computational investigation of CH3NH3PbI3 material for next-generation fiber optic applications
Experimental and computational investigation of CH3NH3PbI3 material for next-generation fiber optic applications Open
View article: Utility Tunnel Settlement Monitoring Using Distributed Fiber Optic and Ground Penetrating Radar Technologies
Utility Tunnel Settlement Monitoring Using Distributed Fiber Optic and Ground Penetrating Radar Technologies Open
Settlement and deformation of multi-purpose utility tunnels (MUTs) are critical factors affecting their structural integrity and service life; however, effective identification methods remain limited. This study proposes a comprehensive ap…
View article: Quantitative Detection of CD44-Expressing Cancer Cells Using Label-Free Optical Fiber Biosensors with Quasi-Random Interferometry
Quantitative Detection of CD44-Expressing Cancer Cells Using Label-Free Optical Fiber Biosensors with Quasi-Random Interferometry Open
Background: Circulating tumor cells (CTCs), key biomarkers in cancer progression and metastasis, hold significant value for early cancer detection as predictive and prognostic indicators. However, detecting and quantifying whole cells rema…
View article: Spatiotemporal temperature measurements in low-Prandtl-number Rayleigh–Bénard convection at $$\Gamma =5$$
Spatiotemporal temperature measurements in low-Prandtl-number Rayleigh–Bénard convection at $$\Gamma =5$$ Open
We present measurements of temperature fields and flow structures in a liquid metal Rayleigh–Bénard convection at a low Prandtl number, which were carried out for the first time using embedded fiber Bragg grating sensors (FBG) in combinati…