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Four-wave mixing-based wavelength conversion in a Short-Length of a Solid 1D Microstructured Fibre
wavelength conversion Short-Length Microstructured Fibre
2015/7/20
We demonstrate a four-wave mixing based wavelength conversion scheme at 1.55μm in a 1.5m long highly nonlinear, dispersion tailored one-dimensional (1D) soft glass microstructured optical fibre.
Linearly-Polarized Lasing at 1180 nm Using Polarization-Maintaining Yb-Doped Solid Photonic Bandgap Fiber
Linearly-Polarized Lasing Polarization-Maintaining Yb-Doped Solid Photonic Bandgap
2015/7/16
Linearly-polarized lasing at 1180 nm is demonstrated by utilizing polarization maintaining Yb-doped solid photonic bandgap fiber. The extinction ratio of the output light between two lineary-polarized...
Ultra-Low Loss All-Solid Photonic Bandgap Fibre
Ultra-Low Loss All-Solid Photonic Bandgap Fibre
2015/7/14
We fabricate and characterize an all-solid photonic bandgap fibre with ultra-low transmission loss of 0.65dB/km within the firs-order bandgap band of 1500~1600nm. The bending characteristic of the fib...
Large Mode Area Single-Mode Ytterbium Doped All-Solid Photonic Bandgap Fiber
Large Mode Area Single-Mode Ytterbium Doped All-Solid Photonic Bandgap Fiber
2015/7/14
We report on a new fiber design: an ytterbium-doped single-mode all-solid photonic bandgap fiber with a MFD of 18 micrometers. This fiber design has the potential for scaling to larger MFD.
Bend-Insensitive and Effectively Single-Moded All-Solid Photonic Bandgap Fibers with Heterostructured Cladding
Bend-Insensitive Effectively Single-Moded All-Solid Photonic Bandgap Fibers Heterostructured Cladding
2015/7/14
We propose a novel concept of cladding structure in all-solid photonic bandgap fibers. It promises low bending and confinement losses with single-mode operation. The mechanism is based on the new conc...
柴油机缸盖水腔流动与沸腾传热的流固耦合数值模拟(Fluid-solid Coupling Numerical Simulation on Flow and Boiling Heat Transfer of Cooling Water-jacket in Cylinder Head of Diesel Engine)
气缸盖 冷却水腔 沸腾传热 流固耦合 数值模拟
2010/5/5
采用CFD软件STAR-CD和FEA软件ABAQUS对226B型柴油机缸盖冷却水腔内的流动和传热过程进行了流固耦合数值模拟计算。为反映沸腾传热的影响,基于FORTRAN语言开发了单相流沸腾传热模型,将其嵌入到STAR-CD中。与试验结果的比较表明,加入沸腾传热模型可以大幅度提高模拟计算的精度,最大误差由18%下降至7%,为柴油机冷却水腔的优化设计提供了理论依据。 Fluid-solid coupl...
Highly Focusing 1-kW All-Solid-State Laser
Solid-state-laser Diode pumped Frequency conversion
2009/6/12
We have developed an all-solid-state laser with high energy pulses and high brightness. In 2001 fiscal year, we produced the average output power of 1050 W with the beam-quality of about 8 times the d...
Slab-Shaped 10-kW All-Solid-State Laser
All solid-state laser Slab, Diode-pumped High power
2009/6/12
This paper describes the development of diode-pumped high-power slab Nd:YAG lasers. Employing the laser diode pumping method, we realized a highly -efficient, high-power zigzag-slab laser with a small...
Because of their compactness and possibility of attaining high efficiency, laser-diode-pumped Nd:YAG lasers are expected to be applied to laser-based processes such as welding, cutting, drilling and m...
Preface to the Special Issue on High-power All-Solid-State Lasers and Their Applications—Development Results of “Advanced Photon Processing and Measurement Technologies” Project—
High-power All-Solid-State Lasers Advanced Photon Processing Measurement Technologies
2009/6/12
Preface to the Special Issue on High-power All-Solid-State Lasers and Their Applications—Development Results of “Advanced Photon Processing and Measurement Technologies” Project—.
Progress on All Solid State Deep-ultraviolet Laser with KBe2BO3F2 Crystal
DUV KBBF Solid state laser
2009/6/1
General review for the progress on all solid state deep ultraviolet (DUV) laser with a KBe2BO3F2 (KBBF) crystal was given in the paper. The frequency-conversion characteristics of KBBF crystal and the...
Development of High Power All-Solid-State Red, Green and Blue Lasers
All-solid-state laser High power laser Red
2009/6/1
The high power all-solid-state red, green and blue lasers have been developed by means of Q-switched diode side-pumped Nd:YAG laser modules and the intracavity nonlinear frequency conversion in the LB...
Production of Antioxidants by Marasmiellus sp. Via Solid Substrate Fermentation
Antioxidants by Marasmiellus Solid Substrate Fermentation
2016/5/31
This study was aimed to evaluate the antioxidant properties of methanol extracts of fermented substrates optimised for antioxidant production by Marasmiellus sp. KUM 50061 mycelial biomass. Extract of...
Determination of Reductones, Furans and Organic Acids in Aqueous Model Matrices Using Solid-Phase Extraction and Gas Chromatography/Mass Spectrometry
reductone furan organic acid
2009/5/31
A method using solid-phase extraction (SPE) and GC-MS was developed for the determination of a series of polar and unstable flavor compounds: reductones, furans and volatile organic acids, in aqueous ...
离心泵叶轮固液两相流动及泵外特性数值分析(Numerical Simulation of Solid-liquid Two-phase Turbulent Flow in Impeller Channel and Pump Characteristics Analysis)
离心泵 叶轮 固液两相流 数值模拟
2010/4/1
基于N-S方程和标准k-ε湍流模型,采用SIMPLEC法,对离心叶轮三维固液两相流场进行了耦合计算,得到了固相(颗粒)不同粒径、不同体积浓度不同密度以及不同流量时的固相(颗粒)浓度分布,并研究了外特性的变化规律。模拟结果表明,颗粒本身的性质-密度、粒径对颗粒的分布及运动规律影响较大,密度、粒径越大的颗粒在惯性力作用下易偏向工作面;颗粒体积浓度对颗粒的分布略有影响;泵在非设计工况下运行时,相对进口液...