Search Results - yu+yao

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Scalable Design and Manufacturing of Functional Metastructures and Metamaterials
Background Ultrathin photonic nanostructures, such as plasmonic and dielectric metamaterials and metasurfaces, have broad applications in electromagnetic wave manipulation, high resolution imaging, and computation. However, conventional production of these metastructures relies on precise nano-machining techniques that are difficult to manufacture...
Published: 4/23/2024   |   Inventor(s): Chao Wang, Yu Yao, Shinhyuk Choi, Jiawei Zuo
Keywords(s):  
Category(s): Advanced Materials/Nanotechnology, Imaging, Physical Science, Physics, Energy & Power
Compact, High-Speed Metasurface Mueller Matrix Microscope
Background Polarization techniques are widely used to inspect sample material scattering, optical birefringence, and other material properties. One of polarization microscopy’s major limitations is that it evaluates sample polarization properties qualitatively due to the lack of complete polarization information. Mueller matrix microscopy (MM)...
Published: 4/9/2024   |   Inventor(s): Yu Yao, Jiawei Zuo
Keywords(s):  
Category(s): Physical Science, Imaging, Advanced Materials/Nanotechnology
Polarimetric Imaging for On-Site High-Speed Photovoltaic Module Inspection
­Potential Applications • Quality control for photovoltaic module manufacturing • Operation and maintenance (O&M) of photovoltaic plants • Drone-mounted inspection systems Benefits and Advantages • Rapid and efficient inspection of PV module defects, degradation, and failure • Ultra-compact form factor...
Published: 2/23/2023   |   Inventor(s): Yu Yao, Govindasamy Tamizhmani
Keywords(s):  
Category(s): Physical Science, Intelligence & Security, Imaging, Energy & Power, Environmental, Manufacturing/Construction/Mechanical, Alternative Energy
Ultrafast Optical Modulation and Ultra-Short Pulse Generation Based on Tunable Graphene-Plasmonic Hybrid Metasurfaces
Background Generation of ultra-short pulses is in demand for a variety of applications ranging from telecommunication and optical computing to ultrafast science and high-resolution spectroscopy. In spite of the relative maturity of ultra-short pulse generation in the visible and near-infrared regions of the electromagnetic (EM) spectrum, there remains...
Published: 2/23/2023   |   Inventor(s): Yu Yao, Ali Basiri
Keywords(s):  
Category(s): Advanced Materials/Nanotechnology, Physical Science, Medical Imaging, Imaging, Physics
Highly Efficient Chiral Plasmonic Metasurfaces for Mid-Infrared Polarization Filtering and Detection
Background Polarization detection and manipulation techniques have wide-ranging applications, from glare-reducing glasses, liquid-crystal displays and 3D movies to optical communication, spectrometry, hologram generation, biomedical diagnosis, chemical analysis, and target detection. Conventional methods for polarization detection and manipulation...
Published: 2/23/2023   |   Inventor(s): Yu Yao, Jing Bai
Keywords(s):  
Category(s): Physical Science, Imaging, Advanced Materials/Nanotechnology, Physics, Medical Imaging, Chemical/Biological Sensors, Semiconductors, Materials & Processes, Semiconductor Devices
Low-Cost Additive Manufacturing of Silver Films for Concentrated Solar Thermal Power Plants
Background By converting sunlight to heat, concentrated solar thermal power (CSP) technology presents a viable form of thermal energy storage that directly addresses grid integration and storage challenges. Current CSP mirror manufacturing processes require depositing multiple layers of films, including silver which requires physical vapor deposition...
Published: 2/23/2023   |   Inventor(s): Zhi Zhao, Chao Wang, Yu Yao
Keywords(s): Fuel Cells, Energy, Materials and Electronics, Mechanical and Manufacturing
Category(s): Alternative Energy, Alternative Energy/Biofuels/Bioplastics/Algae, Energy & Power, Physical Science, Manufacturing/Construction/Mechanical
On-Chip Polarization Detection and Polarimetric Imaging
Background Recent innovations have allowed us to manipulate light for uses in a variety of applications such as information processing and quantum computing. More specifically, polarization of light has become an attractive method for communicating optical data, demonstrating better sensitivity, signal in free space, and capacity than conventional...
Published: 6/6/2024   |   Inventor(s): Yu Yao, Chao Wang, Chu Wang, Jing Bai, Ali Basiri, Xiahui Chen
Keywords(s): Materials and Electronics, Medical Devices and Imaging, Networks, IT, Software and Communication
Category(s): Physical Science, Imaging
Direct Metal Printing with Stereolithography
Background 3D stereolithography (SL) printing is a relatively new scientific phenomenon, enabling the creation of virtually any object from a digital file using additive processes, meaning the object is created by laying down subsequent layers of the material until the desired object takes shape. This technique is highly effective in printing polymeric...
Published: 2/23/2023   |   Inventor(s): Zhi Zhao, Chao Wang, Yu Yao
Keywords(s): Materials and Electronics, Mechanical and Manufacturing
Category(s): Applied Technologies, Bioanalytical Assays, Chemistries & Devices, Chemical/Biological Sensors, Energy & Power, Physics, Physical Science, Manufacturing/Construction/Mechanical
Broadband High Speed Sensitive Photodetectors Based on Graphene-Hybrid/Heterostructures
High speed mid-infrared (MIR) photodetectors are crucial in numerous applications, ranging from hyper-spectral imaging and biomedical sensing to environmental monitoring and astronomy. However, fundamental limitations in current technologies restrict the scope of use for these photodetectors. Current technologies suffer from weaknesses such as reduced...
Published: 2/23/2023   |   Inventor(s): Yu Yao
Keywords(s): Agriculture and Animal Science, Bio-Technology, Defense Applications, Environmental, Materials and Electronics, Medical Devices and Imaging, Networks, IT, Software and Communication
Category(s): Advanced Materials/Nanotechnology, Applied Technologies, Medical Diagnostics/Sensors, Medical Imaging, Physical Science, Physics
Broad Tunable Quantum Cascade Lasers with Multiple Strongly coupled Upper Laser States
Princeton Docket # 10-2616 Broadly tunable QC lasers are ideal candidates for multi-analyte mid-infrared spectroscopy application. However, the maximum tuning range is usually limited by the inherently narrow gain spectrum of intersubband transitions. Princeton researchers have developed a ¿continuum-to-bound¿ QC laser, with two lower injector...
Published: 3/30/2022   |   Inventor(s): Yu Yao, William Charles, Jianxin Chen, Claire Gmachl
Keywords(s):  
Category(s): Mechanical/Electrical Engineering