- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Advanced Sensor and Energy Harvesting Materials
- Plasmonic and Surface Plasmon Research
- Gold and Silver Nanoparticles Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Photonic Crystal and Fiber Optics
- Advanced biosensing and bioanalysis techniques
- Semiconductor Lasers and Optical Devices
- Analytical Chemistry and Sensors
- Advanced Thermoelectric Materials and Devices
- Spectroscopy and Laser Applications
- Advanced Battery Technologies Research
- Advanced Materials and Mechanics
- Near-Field Optical Microscopy
- Biosensors and Analytical Detection
- Photonic Crystals and Applications
- Electrochemical Analysis and Applications
- Optical Coherence Tomography Applications
- Tactile and Sensory Interactions
- Optical Coatings and Gratings
- Advanced Biosensing Techniques and Applications
- Conducting polymers and applications
- Chalcogenide Semiconductor Thin Films
Jilin University
2022-2025
Jilin Medical University
2023-2025
Jinan University
2018-2024
Jilin Agricultural University
2024
Jiamusi University
2024
China State Shipbuilding (China)
2020-2023
Southern Medical University
2022-2023
Guangzhou University of Chinese Medicine
2023
Nanjing University
2023
Nanjing General Hospital of Nanjing Military Command
2023
The apparent increase in hormone-induced cancers and disorders of the reproductive tract has led to a growing demand for new technologies capable detecting endocrine disruptors. However, long-lasting challenge unaddressed is how achieve ultrahigh sensitive, continuous, situ measurement with portable device in-field remote environmental monitoring. Here we demonstrate simple-to-implement plasmonic optical fiber biosensing platform an improved light-matter interaction advanced surface...
Understanding ion transport kinetics and electrolyte-electrode interactions at electrode surfaces of batteries in operation is essential to determine their performance state health. However, it remains a challenging task capture real time the details surface-localized rapid microscale. To address this, promising approach based on an optical fiber plasmonic sensor capable being inserted near surface working battery monitor its electrochemical without disturbing demonstrated using aqueous...
Abstract Inspired by nature, various self‐healing materials that can recover their physical properties after external damage have been developed. Recently, widely used in electronic devices for improving durability and protecting the from failure during operation. Moreover, integrate many other intriguing of biological systems, such as stretchability, mechanical toughness, adhesion, structural coloration, providing additional fascinating experiences. All these inspirations attracted...
Abstract Lithium (Li) dendrite growth significantly deteriorates the performance and shortens operation life of lithium metal batteries. Capturing intricate dynamics surface localized rapid mass transport at electrolyte–electrode interface is essential for understanding process, evaluation solutions mitigating issue. Here we demonstrate an approach based on ultrasensitive tilted fiber Bragg grating (TFBG) sensor which inserted close to electrode in a working battery, without disturbing its...
Abstract Single‐crystal tin selenide (SnSe), a record holder of high‐performance thermoelectric materials, enables high‐efficient interconversion between heat and electricity for power generation or refrigeration. However, the rigid bulky SnSe cannot satisfy applications flexible wearable devices. Here, method is demonstrated to achieve ultralong single‐crystal wire with rock‐salt structure high performance diameters from micro‐ nanoscale. This starts thermally drawing into fiber‐like...
Advances in organic thermoelectric materials have focused on the enhancement of mechanical property to address limitations and needs forming flexible free‐standing films for application flexible/wearable devices. Herein, nanocomposite are fabricated based conductive polymer poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), plastic reinforcer polyvinyl alcohol (PVA), inorganic Bi 0.5 Sb 1.5 Te 3 nanocrystals with various contents. The resulting PEDOT:PSS/PVA/Bi exhibit a...
A method to enable surface plasmon resonance (SPR) sensors discriminate between bulk and surface-localized refractive index changes is demonstrated with modified gold-coated tilted fiber Bragg grating SPR (TFBG-SPR). Without this capability, all high-resolution should be using reference channels strict temperature control prevent the contamination of desired detection chemical or binding events by drift medium, in which experiment carried out. The very fine comb high-quality-factor...
Alzheimer's disease (AD) is one of the most common neurodegenerative illnesses displaying highest death rate in elderly. However, existing AD diagnostic system remains elusive due to lack a technology that may ensure enough sensitivity and reproducibility, detection accuracy, specificity. Herein, straightforward approach reported realize lab‐on‐fiber (LoF) for biomarker based on D‐shaped single‐mode fiber combined with nanometer‐scale metal‐oxide film. The proposed sensing system, which...
In situ and continuous monitoring of thermal effects is essential for understanding photo-induced catalytic processes at catalyst's surfaces. However, existing techniques are largely unable to capture the rapidly changing temperatures occurring in sub-μm layers liquid-solid interfaces exposed light. To address this, a sensing system based on gold-coated conventional single-mode optical fiber with tilted Bragg grating inscribed core proposed demonstrated. The spectral transmission from these...
Abstract As the fundamental building block of optical fiber communication technology, thermally drawn fibers have fueled development and prosperity modern information society. However, conventional step‐index configured silica scarcely altered since their invention. In recent years, multifunctional emerged as a new yet promising route to enable unprecedented in technology. By adopting well‐developed preform‐to‐fiber manufacturing technique, broad range functional materials can be seamlessly...
Optical fiber technology has changed the world by enabling extraordinary growth in world-wide communications and sensing. The rapid development wide deployment of optical sensors are driven their excellent sensing performance with outstanding flexibility, functionality, versatility. Notably, research on specialty fibers is playing a critical role proliferating applications. This paper overviews recent developments reviewed based innovations special structures, materials, technologies to...
Abstract As the population ages, worldwide prevalence of Alzheimer's disease (AD) as most common dementia in elderly is increasing dramatically. However, a long‐term challenge to achieve rapid and accurate early diagnosis AD by detecting hallmarks such amyloid beta (Aβ 42 ). Here, multi‐channel microfluidic‐based plasmonic fiber‐optic biosensing platform established for simultaneous detection differentiation multiple biomarkers. The based on gold‐coated, highly‐tilted fiber Bragg grating...
We propose and study an optical microfiber coupler (OMC) sensor working near the turning point of effective group index difference between even supermode odd to achieve high refractive (RI) sensitivity. Theoretical calculations reveal that infinite sensitivity can be obtained when measured RI is close value. This diameter-dependent corresponds condition equals zero. To validate our proposed sensing mechanism, we experimentally demonstrate ultrahigh 39541.7 nm/RIU at a low ambient 1.3334...
A polarization-independent and omnidirectional nearly perfect absorber in the visible region has been proposed. The is two-layer structure consisting of a subwavelength metal grating layer embedded high refractive index lossless dielectric on substrate. Extraordinary optical absorption with peaks over 99% can be achieved whole for both TM TE polarization. This attributed to cavity mode (CM) resonance caused by coupled surface plasmon polaritons (SPP). Through adjusting thickness, peak tuned...
In most fiber-optic gas sensing applications where the interested refractive index (RI) is ~1.0, sensitivities are greatly constrained by large mismatch between effective RI of guided mode and surrounding gaseous medium. This fundamental challenge necessitates development a promising mechanism with outstanding sensitivity to achieve reliable remote sensors. this work, we report highly sensitive refractometer based on tapered optical microfiber modal interferometer working at dispersion...
We present a systematic study on the spectral characteristics and ultrahigh sensitivity near dispersion turning point (DTP) of optical microfiber couplers. Numerical simulations reveal that DTP exists when group effective refractive index (RI) difference between even mode odd equals zero, where both positive RI sensitivities negative can be achieved. The position is dependent coupler width, it always over surrounding (SRI) range 1.333-1.41, which enables ultrasensitive sensing in this wide...
Flexible, large-area, and low-cost thermal sensing networks with high spatial temporal resolution are of profound importance in addressing the increasing needs for industrial processing, medical diagnosis, military defense. Here, a thermoelectric (TE) fiber is fabricated by thermally codrawing macroscopic preform containing semiconducting glass core polymer cladding to deliver sensor functionalities at fiber-optic length scales, flexibility, uniformity. The resulting TE operates wide...
A 2D material/metal hybrid plasmonic sensor is demonstrated by direct integration of graphene layer on gold-coated optical fiber. Both linear response to wide range ssDNA concentration from 1 × 10−12 10 10−6m and low detection limit 10−12m are achieved. The resulting shows prospects highly sensitive, integrated, flexible sensing at fiber-optic length scale. As a service our authors readers, this journal provides supporting information supplied the authors. Such materials peer reviewed may be...
We report an ultrasensitive gas refractive index (RI) sensor based on optical nanofiber couplers (ONCs). Theoretical analysis reveals that a dispersion turning point (DTP) exists when the diameter of coupler is below 1000 nm. Leveraging this DTP, RI sensitivity can be significantly improved to infinity. Then we experimentally demonstrate DTP and achieve ultrahigh sensitivities 46,470 nm/refractive unit (RIU) -45,550 nm/RIU around using ONC with 700 More importantly, unique twin dips/peaks...