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A novel polarimetric OFDR that can simultaneously measure both space-resolved transverse-stresses and reflections along a > 800–1200 meters optical fiber is reported, where the system can unambiguously distinguish stresses from any reflections with sub-mm-spatial resolution.
In this paper, the reliable SiNx/AlGaN/GaN MISHEMTs on silicon substrate with improved trap-related characteristics have been well demonstrated. The devices with our proposed treatment method showed less deep-level traps and more Si surface donors at SiNx-AlGaN interface. The trap related device characteristics are also improved by using our optimized treatment method. The devices with proposed treatment...
CMOS-compatible GaN-on-silicon technology with excellent D-mode MISHFET performance is realized. A low specific contact resistance Rc (0.35 Ω-mm) is achieved by Au-free process. MIS-HFET with a gate-drain distance (LGD) of 15 μm exhibits a large breakdown voltage (BV) (980 V with grounded substrate) and a low specific on-resistance (R ON,sp) (1.45 mΩ-cm2). The importance of epitaxial quality in a...
This paper summarizes our recent investigations of nano-wire n type tunneling field effect transistor (n-TFET) reliability by experimental measurements and physical analysis [1-3]. Large PBTI and HC degradations which are very different from those in conventional n-MOSFETs were observed. The results are interpreted by different degradation mechanism in TFET.
Multi-head stretch forming(MHSF) is a new flexible technology for manufacturing sheet metal, and its multiple adjustable grippers substitute for integral structure grippers in the traditional stretch forming, it has the characteristics that these grippers can real-time adjust displacement and rotation according to variety of die curvature. The MHSF forming principle is introduced and corresponding...
Currently, there does not exist reliable MV treatment or protocols in critical care to treat acute respiratory diseases, and thus no proven way to optimise care to minimise the mortality, length of stay or cost. The overall approach of this research is to improve protocols by using appropriate computer models that take into account the essential lung mechanics. The aim of this research is to create...
This paper reviews fiber spinning technology for making low PMD fibers. Theoretical understanding of fiber spinning mechanism and features of spun fibers, as well as applications in fiber spin profile designs are discussed.
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