A5032216204- Photonic and Optical Devices
- Semiconductor Lasers and Optical Devices
- Optical Network Technologies
- Advanced Fiber Optic Sensors
- Advanced Measurement and Metrology Techniques
- Optical Coatings and Gratings
- Video Surveillance and Tracking Methods
- Advanced Photonic Communication Systems
- Optical measurement and interference techniques
- Advanced Vision and Imaging
- Optical Systems and Laser Technology
- Atomic and Molecular Physics
- Advanced Fiber Laser Technologies
- Laser Design and Applications
- Advancements in Photolithography Techniques
- Laser-Plasma Interactions and Diagnostics
- Image Enhancement Techniques
- Infrared Target Detection Methodologies
- Photonic Crystal and Fiber Optics
- Advanced Measurement and Detection Methods
- Robotics and Sensor-Based Localization
- Visual Attention and Saliency Detection
- Advanced Sensor and Control Systems
- Laser-Matter Interactions and Applications
- X-ray Spectroscopy and Fluorescence Analysis
Liaoning Normal University
2025
Changchun Institute of Optics, Fine Mechanics and Physics
2016-2024
Chinese Academy of Sciences
2016-2024
Changchun University of Science and Technology
2015-2024
Dalian Polytechnic University
2024
Jinan University
2024
Bangor University
2021-2023
Beihang University
2019-2023
Nanjing University
2008-2023
State Key Laboratory of Pollution Control and Resource Reuse
2023
A global path planning method is proposed based on improved ant colony optimization according to the slow convergence speed in mobile service robot planning. The distribution of initial pheromone determined by critical obstacle influence factor. factor introduced into heuristic information improve algorithm at an early stage. new update rule presented using fuzzy control change value and expectation factor, adjusting evaporation rate stages. achieves fast guarantees search capability....
This study empirically examines the impact of individual motivation on innovation performance, where innovative behavior serves as a mediating construct, and discusses whether climate has moderating effect. combines Cognitive Evaluation Theory behavioral performance to develop new theoretical method for explaining relationships between motivation, behavior, performance. Data collected via field 250 subjects who participated in science technology competition were analyzed using PLS-SEM model....
Superior to traditional multiplex photoelectrochemical (PEC) sensors, integrated multitarget assay on a single reconstructive electrode interface is promising in real-time detection through eliminating the need of specialized instrumentation and cumbersome interfacial modifications. Current reconstruction approaches including pH modulation bioenzyme cleavage involve biohazardous time-consuming operations, which cannot meet demand for rapid, eco-friendly, portable detection, are detrimental...
We introduce a novel simple comb filter, which is based on Sagnac interferometer with fiber Bragg grating asymmetrically located in its loop. The filter has advantages of design and easy fabrication, low insertion loss cost. Two filters triple bandpasses dual bandpasses, respectively, were fabricated applied to an erbium-doped ring laser. Stable triple-wavelength dual-wavelength laser operations have been demonstrated.
In this paper, we analyze an improved DOG filter with different parameters in horizontal and vertical directions the uses oval recognition domain instead of round classic filter. The is used to compare major illumination pretreatment methods. experiment result shows method has better false detection rate.
We propose a new symmetrical heterodyne grating displacement measurement method, based on 2D and single diffraction quadruple subdivision method. Using dual-frequency laser with wavelength of 632.8 nm, output power 2.2 mW, 1200 l/mm grating, eight diffracted light beams interfere in pairs the X Y directions through turning element. The detection system’s accuracy was assessed experimentally. system resolution is better than 3 nm; errors within 10 mm...
The demonstration of a 69.8 nm laser on 3pP23−3sP11 (J=2−1) transition Ne-like Ar pumped by capillary discharge is reported in this Letter. A main current 12 kA with rise time 43 ns was chosen to generate the plasma 35 cm long filling pressure as low 11 Pa, resulting gain coefficient 0.34 cm−1 and gain–length product at nm. Also observed weak 3pD23−3sP13 72.6 same condition. In addition, multiwavelength lasing 46.9, 69.8, simultaneously realized column, conditioning 13 Pa.
The grating interferometer in the Littrow configuration uses quarter wave plates (QWPs) to modulate polarization measurement system determine autocollimation optical path. Fabrication errors and mounting of QWPs lead phase changes that generate errors. As an alternative, we propose a produces conical diffraction. Using instead beam's bypasses this source error. A 45 mm range experiment was performed yielded repeated error 40 nm. Experiments show has simple structure good repeatability is...
Intermittent dynamics switching on the route to chaos in a discrete-mode laser with long time-delayed feedback is experimentally and numerically studied by analyzing time series, power spectra, phase portraits. The results show two types of switching: one or multiple times regular intermittent between stable state square-wave envelope period-one oscillation within round time, irregular quasi-periodic multi-states higher ratio bias currents. relationship duty cycle has been analyzed. map...
In PON-based mobile fronthauls, direct inter-ONU communications without passing end-user traffic to the OLT offer a promising solution for fulfilling stringent latency and bandwidth requirements of 5G beyond networks. this paper, with slight modifications PON remote node, concurrent upstream communication technique is proposed experimentally demonstrated in 101.6Gbit/s multipoint-to-point hybrid SSB OFDM digital filter multiple access (DFMA) IMDD PONs over 25km SSMFs. Multiple gapless...
A dual-mode CMOS 2.4GHz transceiver consumes 65mA in RX and 78mA TX from a 3V supply. The receiver achieves typical sensitivity of -88dBm at 11Mb/s for 802.11b, -83dBm Bluetooth mode. minimum IIP3 is -8dBm, the transmitter delivers nominal output power 0dBm, with control range 20dB 2dB steps.
A theoretical model for simulating widely tunable sampled-grating distributed Bragg reflector (SGDBR) lasers has been developed. The integrates both time-domain traveling-wave method and frequency-domain transfer-matrix into a single procedure. active region of the device is still operated in conventional time domain, while passive parts are firstly performed by then transformed to domain via digital filters. Both static dynamic characteristics SGDBR lasers, such as <i...
The noninvasive peripheral oxygen saturation (SpO2) and the pulse rate can be extracted from photoplethysmography (PPG) signals. However, accuracy of extraction is directly affected by quality signal obtained peak identified; therefore, a hybrid wavelet-based method proposed in this study. Firstly, we suppressed partial motion artifacts corrected baseline drift using wavelet based on principle multiresolution. And then, designed quadratic spline modulus maximum algorithm to identify PPG...
Grating-based interferometers play important roles in precision displacement measurements. Gratings are the core components of grating-based interferometers, and grating surface errors line seriously affect measurement accuracy, especially systems with Littrow configurations. A fast, accurate method to calculate caused by a interferometer configuration is proposed. Displacement calculated using diffracted wavefronts at ±1st orders grating. Experimental comparison displacements laser verifies...
It is important to achieve the 3D reconstruction of UAV remote sensing images in deep learning-based multi-view stereo (MVS) vision. The lack obvious texture features and detailed edges leads inaccurate feature point matching or depth estimation. To address this problem, study improves TransMVSNet algorithm field by optimizing its extraction network costumed body prediction network. improvement mainly achieved extracting with Asymptotic Pyramidal Network (AFPN) assigning weights different...
Various software and hardware faults can destroy data transmission on the network, so it is essential to study fault-tolerant methods of Network-on-Chip (NoC). In this paper, a modified routing algorithm proposed based XY algorithm, which achieve an efficient route way by resetting rule when error occurred path chain or between nodes. This performance shows that fault tolerant bypassed A design also introduced, aimed at elaborating structure principle simulating NoC FPGA. The was simulated...
An interference method to remove all mosaic grating errors using a phase-difference reference window without compensation for coupled or analyzing the far-field diffraction intensity patterns is proposed. The achieved by adding small-aperture prism; therefore, incident light on gratings contains two different angles of incidence and optical paths, eliminating uncertainty longitudinal error in interferometer. mathematical model established arrangement presented. Interference fringes with...