A5101644287- Photonic and Optical Devices
- Radiation Detection and Scintillator Technologies
- Mechanical and Optical Resonators
- Advancements in Battery Materials
- Graphene research and applications
- Advanced Semiconductor Detectors and Materials
- Advanced Measurement and Metrology Techniques
- Surface Roughness and Optical Measurements
- Advanced Surface Polishing Techniques
- Semiconductor Quantum Structures and Devices
- Advanced Sensor Technologies Research
- Photorefractive and Nonlinear Optics
- Quantum optics and atomic interactions
- Nanowire Synthesis and Applications
- Neural Networks and Reservoir Computing
- Advanced Battery Materials and Technologies
- Laser and Thermal Forming Techniques
- Chalcogenide Semiconductor Thin Films
- Advanced X-ray Imaging Techniques
- Thin-Film Transistor Technologies
- Magnetic Field Sensors Techniques
- MXene and MAX Phase Materials
- solar cell performance optimization
- Particle Accelerators and Free-Electron Lasers
- Advanced Photonic Communication Systems
Donghua University
2020-2022
Institute of Physics
2020
Chinese Academy of Sciences
2020
China Center of Advanced Science and Technology
1994
International Centre for Materials Physics
1993-1994
Ningxia University
1994
Institute of High Energy Physics
1989
Academia Sinica
1989
Brookhaven National Laboratory
1987
A new long-trace optical profiling instrument is now in operation at Brookhaven National Laboratory measuring surface figure and macro-roughness on large components, principally long cylindrical mirrors for use synchrotron radiation beam lines. The non-contact measurement technique based upon a pencil-beam interferometer system. head mounted linear air bearing slide has free travel range of nearly one meter. We are able to sample spatial periods between 1 mm (the laser diameter) m. input...
An internal photoemission-based silicon photodetector detects light below the bandgap at room temperature and can exhibit spectrally broad behavior, making it potentially suited to meet need for a near-infrared pure Si photodetector. In this work, implementation of thin Au insertion layer into an ITO/n-Si Schottky profoundly affect barrier height significantly improve device performance. By fabricating nanoscale ITO electrode on substrate, we achieve well-behaved ITO/Au/n-Si diode with...
A confined self-assembly process has been proposed to encapsulate boron doped SiOC nanospheres into a conductive graphene film with excellent cycle stability in lithium ion batteries.
A noncontact flash method for measuring thermal expansion of foil materials has been developed using laser-pulse thermal-conductivity equipment (H. Guanhu, Proceedings the 1st Asian Thermophysical Properties Conference, 1986, p. 331), which is usually used diffusivity, specific heat, and conductivity. The automatic measurement can be realized if some low-cost accessories are simply added to equipment. Thermal pure copper was measured check validity this new method, that constantan with...
Broadband and omnidirectional antireflection coating is a generally effective way to improve solar cell efficiency, because the destructive interference between reflected input waves could maximize transmission light in absorption layer. Several theoretical calculations have been developed optimize anti-reflective average transmittance. However, irradiances of clear sky spectral direct beam on receiver plane at different positions times are variable greatly. Here we report new calculation...
Introducing the Dyson-Maleev transformation and coherent state ansatz, we obtain two partial differential equations of motion in antiferromagnet RbFeCl3. Employing method multiple scales long-wavelength approximation, reduce these into a nonlinear Schrödinger equation. By making use inverse-scattering transformation, obtained excitations
Si/Ge uni-traveling carrier photodiodes exhibit higher output current when space-charge effects are overcome and thermal suppressed, which is highly beneficial for increasing the dynamic range of various microwave photonic systems simplifying high-bit-rate digital receivers in different applications. From point view packaging, detectors with vertical-illumination configuration can be easily handled by pick-and-place tools a popular choice making photo-receiver modules. However, (UTC) devices...
We report topological nonlinear optics with spin-orbit coupled Bose-Einstein condensate in a cavity. The cavity is driven by pump laser and weak probe which excite to an intermediate storage level, where the standard Raman process engineers coupling. show that photonic interactions at transitional pathways of dressed states result new type optical transparencies, get completely inverted atom induced gain. These also implant sort features transmission modes inducing gapless Dirac-like cones,...
Antimonide type II superlattices is expected to overtake HgCdTe as the preferred materials for infrared detection due their excellent photoelectric properties and flexible adjustable band structures. Among these compounds, InAs/GaSb represents most commonly studied materials. However, sophisticated physics associated with antimonide-based bandgap engineering concept started at beginning of 1990s gave a new impact interest in development detector structures within academic national...
A spherical grating monochromator (SGM) has been designed and installed in beamline 48913 at Beijing Electron Positron Collider (BEPC) for synchrotron radiation soft x-ray photoemission experiments. There are four laminar gratings this to covering the region of 10 -1100ev. On three them, which range, a supersmooth blank surface with large radial (57M) high figuring accuracy (>λ/50) is required suit resolving power desgn (>2000) reduce beam loss. In paper, methods fabrication metrology...