A5101408727- Advanced Machining and Optimization Techniques
- Advanced machining processes and optimization
- Advanced Surface Polishing Techniques
- Photonic and Optical Devices
- Semiconductor Lasers and Optical Devices
- Hydrogen embrittlement and corrosion behaviors in metals
- Erosion and Abrasive Machining
- Engineering Structural Analysis Methods
- Additive Manufacturing and 3D Printing Technologies
- Innovations in Concrete and Construction Materials
- Semiconductor Quantum Structures and Devices
- Neural Networks and Reservoir Computing
- Optical Coatings and Gratings
- Corrosion Behavior and Inhibition
- Wave and Wind Energy Systems
- High-Temperature Coating Behaviors
- Structural Analysis and Optimization
- Integrated Energy Systems Optimization
- High Temperature Alloys and Creep
- Manufacturing Process and Optimization
University of Chinese Academy of Sciences
2023-2024
Jiangsu University of Science and Technology
2016-2023
State Key Laboratory on Integrated Optoelectronics
2023
Chinese Academy of Sciences
2023
Institute of Semiconductors
2023
Nanjing University of Aeronautics and Astronautics
2018-2022
Macro electromechanical milling has recently attracted increasing attention because numerous large thin-walled structures composed of difficult-to-cut materials are employed in the aerospace field. This paper reviews recent developments state-of-the-art macro milling. The fundamental aspects material removal mechanisms, such as generation and breakdown behaviors passive oxide films typical materials, were discussed. Rapid methods for breaking down summarized, simulation machining process...
In this paper, we present a detector-integrated vertical-cavity surface-emitting laser (VCSEL) with movable high-contrast grating (HCG) mirror in an n-i-p-i-n manner. The VCSEL HCG can achieve three functions, including wavelength tuning, power monitoring, and resonant-cavity-enhanced (RCE) photon detection. Currently, the device tuning range of 27 nm at room temperature when suspended is driven by reverse-bias voltage. n-i-p structure located upper part serve as intra-cavity photodiode to...
Electrolyte jet machining (EJM) is a promising method for shaping titanium alloys due to its lack of tool wear, thermal and residual stress, cracks burrs. Recently, macro-EJM has attracted increasing attention high efficiency in wide grooves or planes. However, generates large amounts electrolytic products, thereby the difficulty rapid product removal with standard reducing surface quality. Therefore, enhanced transport, novel back inclined end face was proposed TC4 alloy. For comparison,...
Mechano-electrochemical milling (MECM) is a promising method to machine TC4 titanium alloy as it combines electrochemical machining (ECM) and conventional (CM). However, prior studies on the interaction between ECM CM are few, lacking in-depth understanding of material removal behavior MECM. Therefore, was experimentally investigated in this paper. Experimental results showed that initial surface obtained lower impedance corrosion resistance compared normal non-CM surface, which reduced...
Abstract Cryogenic oxide-confined vertical-cavity surface-emitting laser (VCSEL) has promising application in cryogenic optical interconnect for computing. In this paper, we demonstrate a 850-nm VCSEL at around 4 K. The with an oxide aperture of 6.5 μ m diameter can operate single fundamental mode side-mode suppression-ratio 36 dB 3.6 K, and the fiber-coupled output power reaches 1 mW 5 mA. small signal modulation measurements 298 292 K show fabricated potential to achieve high bandwidth temperature.
District heating based on fossil energy is an important source of carbon emissions, and district nuclear power plants one the ways to alleviate this problem. Since 1960s 1970s, international studies for have been conducted, these mainly focused 2nd-generation plants. At present, there are fewer units 3rd-generation passive technology. In paper, we analyze impact NSSS (Nuclear Steam Supply System) control system (AP1000 CAP1400), including reactor system, rapid reduction, steam dump feedwater...
We design and fabricate a tunable micro-electro-mechanical system (MEMS) vertical-cavity surface-emitting laser (VCSEL) at 940-nm range. The MEMS-VCSEL uses movable high-contrast grating (HCG) mirror to replace the top semiconductor distributed Bragg reflector (DBR) of common VCSEL. By applying reverse voltage across air layer, HCG moves downward under electrostatic force, thereby changing wavelength MEMS-VCSEL. Theoretically, with this structure can achieve maximum tuning range over 30 nm....