16 hasil untuk "Linpeng Yu"
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A High-Peak-Power Mechanically Q-Switched Tb:LiYF4 Laser in the Green Spectral Region
We report on a mechanically Q-switched Tb:LiYF4 laser at 544 nm based on an optical chopper. With appropriate chopper settings, 521 μJ, 86 ns green pulses are generated at 1 kHz, corresponding to a peak power of 6.1 kW. To the best of our knowledge, this is the highest peak power generated using…
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Validation of Mainland Water Level Elevation Products From SWOT Satellite
The surface water and ocean topography (SWOT) satellite, carrying a Ka-band radar interferometer, is designed to detect global hydrological, ecological, and climatic changes through high-precision measurements of water elevation level and to promote the sustainable use and conservation of water…
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Micromorphological and Micromechanical Property Heterogeneity: A Fine-Scale Analysis within a Single Thyrsostachys oliveri Culm
Bamboo fiber is a crucial structural component that significantly contributes to its mechanical properties. T. oliveri possesses excellent physical and mechanical properties and suggesting potential for pulp and paper applications. However, the micromorphology and mechanical properties of T…
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Variability in the Mechanical Properties of Cell Walls of Bambusa arundinacea (Retz.) Willd. Based on Nanoindentation Method
Bambusa arundinacea (Retz.) Willd. is a large and thorny bamboo species used for construction and scaffolding purposes. Bamboo fibers, which are an important part of bamboo, give bamboo its excellent mechanical properties. The goal of this work was to get more information about fiber in order to…
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Anatomical and Microstructural Features of Rattan (Calamus caesius)
Calamus caesius, one of the most valuable high-quality rattans, has emerged as an economical material for use in commercial products. This study systematically investigated the anatomical and microstructural characteristics of Calamus caesius in terms of the frequency, radial diameter, tangential…
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Characterization of the Vascular Bundles in Thyrsostachys oliveri
The characteristics of vascular bundles vary significantly across different heights in bamboo. Thus, a comprehensive understanding of vascular bundles is crucial for the identification and efficient utilization of bamboo materials. In this work, the structure and type of vascular bundles in…
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Fiber Characteristics and Mechanical Properties of Oxytenanthera abyssinica
Unlike the culm hollow structure of most bamboo species, Oxytenanthera abyssinica has a unique solid or semi-solid culm, which may endow it with superior mechanical performance. In this study, the variation in fiber morphology and micro-mechanical properties across the radial regions of bamboo culm…
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Process Design of Bamboo Carbon Reinforced Polylactic Acid Composites via Twin-Screw Extrusion
Bamboo carbon (BC) reinforced polylactic acid (PLA) composites play a significant role in optimizing the utilization of bamboo resources and advancing green, low-carbon, and circular development. To minimize production costs, a relatively high content of bamboo carbon (40 wt.%) was incorporated…
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Analyzing Fiber and Vascular Bundle Characteristics, and Micro-Mechanical Properties of Oligostachyum sulcatum
The structure of vascular bundles and the mechanical properties of fibers are crucial factors determining the utilization of bamboo. This study investigated the structure of vascular bundles and evaluated the morphological and micromechanical properties of the fibers in Oligostachyum sulcatum. The…
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NanoFe3O4 as Solid Electron Shuttles to Accelerate Acetotrophic Methanogenesis by Methanosarcina barkeri
Magnetite nanoparticles (nanoFe3O4) have been reported to facilitate direct interspecies electron transfer (DIET) between syntrophic bacteria and methanogens thereby improving syntrophic methanogenesis. However, whether or how nanoFe3O4 affects acetotrophic methanogenesis remain unknown. Herein, we…
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High Modulation Depth Enabled by Mo2Ti2C3Tx MXene for Q-Switched Pulse Generation in a Mid-Infrared Fiber Laser
Two-dimensional (2D) materials show great promise as saturable absorbers (SAs) for ultrafast fiber lasers. However, the relatively low modulation depth and poor stability of some 2D materials, such as graphene and black phosphorus, restrict their applications in the mid-infrared pulse generation…
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High-power mid-infrared femtosecond master oscillator power amplifier Er:ZBLAN fiber laser system
High-power femtosecond mid-infrared (MIR) lasers are of vast importance to both fundamental research and applications. We report a high-power femtosecond master oscillator power amplifier laser system consisting of a single-mode Er:ZBLAN fiber mode-locked oscillator and pre-amplifier followed by a…
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Generation of Mid‐Infrared Noise‐Like Pulses from a Polarization‐Maintaining Fluoride Fiber Oscillator
Noise‐like pulses (NLPs) are becoming increasingly attractive for a variety of applications such as supercontinuum generation, materials processing, and low‐coherence spectral interferometry. Related research in the near‐infrared region is extensive, yet few studies have been reported in the…