Purpose:To introduce a new technique-convex rod derotation by comparing with concave rod derotation technique.Methods:A ......

The Schur convexity or concavity problem of the Gini mean values S(a, b; x, y) with respect to (x, y) ∈ (0, ∞) × ......

The effect of 6H-SiC crystal growth shapes on the thermo-elastic stress distribution in the growing crystal was systemat......

Water-wings, induced by the middle-pier placed in the inlet of a discharge tunnel, have harmful effects on the operation......

The different confinement shapes can induce the formation of various interesting and novel morphologies, which might ins......

A numerical method for predicting fiber orientation is presented to explore the flow properties of turbulent fiber suspe......

Concave nanostructures may be developed to improve the specific mass activity of a catalyst for formic acid and methanol......

The growth of butterfly martensite in an Fe-Ni-V-C alloy was investigated using an optical microscope and transmission e......

本文讨论了基于牛顿迭代算法的凹面光栅优化设计 ,它不同于传统的基于光程函数级数展开的设计思路 ,凹面光栅的结构通过两个由特殊......

Quasi-CW diode-pumped Yb3+: borate glass and Yb3+: phosphate glass microchip lasers have been reported. From Yb3+: phosp......

With the addition of a thin Zn interlayer,2.4 mm thick Mg-3Al-1Zn alloy sheets were friction stir spot welded(FSSW) usin......

Grooved gate structure Metal-Oxide-Semiconductor (MOS) device is considered as the most promising candidate used in dee......

The Olympic torch relay will spread peace and harmony across the world Two old nations,one shared dream.A symbolic integ......

With 1 Plate The fossil Charophyta collected by Messrs. T. K. Huang, C. C. Young, Y. C. Cheng and T. C. Chow from near ......

The anti-misalignment stability and output characteristics of the right angle cone cavity laser are experimentally studi......

Laser induced damage threshold (LIDT) of multi-layer dielectric used in pulse compressor gratings (PCG) was investigated......

Il rinvenimento è stato effettuato nel maggio del 1987 lungo la sponda nord dellapozza ubicata a nord ovest della Malg......

A pyrotechnically pumped Nd glass laser is demonstrated by the use of pyrotechnic flashlamps composed of several chemica......

SiO_2-TiO_2 sol-gel films are deposited on SiO_2/Si by dip-coating technique.The SiO_2-TiO_2 strips are fabricated by la......

A pick-up parallel-setting high order mode coupler (pps-HOM coupler) has been fabricated at Peking University. It has be......

To solve the problems with coronary stent implantation, coronary artery stent surface was directly modified by three-bea......

报道了轴对称-折叠组合腔CO2激光器原理性实验研究,激光器能在CW模式下成功运行。研究得到了激光器最佳的气体比率和气体压强。通......

The thermal lens effects in Tm:YAP laser are analyzed by solving the Poisson equation with finite difference method. The......

The curvature type of the thermal lens generated in a zigzag slab laser is numerically analysed.It is found that the cur......

We numerically study the propagation of 1-ps laser pulse in three tapered holey fibers (THFs).The curvature indices of t......

A novel beam-steering external cavity diode laser using an intracavity lead lanthanum zirconate titanate(PLZT) electro-o......

With a plano-concave cavity,diode-pumped continuous-wave(CW) and actively Q-switched Nd:YVO4 laser operating at 1.34 μm......

A concave two-dimensional(2D) photonic crystal waveguide(PCW) with corrugated surface is theoretically used as a focusin......

A novel fiber laser spectral beam combining scheme based on a concave grating is presented.The principle of the presente......

We successfully obtain a high-average-power high-stability Q-switched green laser based on diode-side-pumped composite c......

Recent research has demonstrated that on-line video imaging is a very promising technique for monitoring crystallization......

We present a method that accurately measures large optical surfaces before polishing using a laser tracker.Using the sca......

A grazing incidence flat-field spectrograph using a concave grating was constructed to measure extreme ultraviolet (EUV)......

The planarization mechanism of alkaline copper slurry is studied in the chemical mechanical polishing (CMP) process from......

Eu3+-activated red-emitting Ba2Gd2Si4O13 phosphors are prepared via microwave(MW) synthesis and solid-state(SS) method. ......

Three types of textured indium-tin-oxide(ITO) surface, including nano-texturing and hybrid micro/nano-texturing with mic......

We demonstrate a laser-diode(LD)pumped actively Q-switched laser with Nd:Sc0.2Y0.8Si O5(Nd:SYSO)crystal for the first ti......

Single,composite crystal and ceramic continuous wave(CW) 946-nm Nd:YAG lasers are demonstrated,respectively.The ceramic ......

Since laser intensity plays an important role in laser plasma interactions,a method of increasing laser intensity- focus......

A method of multi-beam femtosecond laser irradiation combined with modified HF-HNO_3-CH_3 COOH etching is used for the p......

We report the specification of a compact and stable side diode-pumped Q-switched pulsed Nd:YAG laser. We experimentally ......

Yuanmousaurus jiangyiensis gen. et sp. nov. is erected based on an incomplete skeleton. It is characterized by more comp......

The three dimensional solidification simulation of the single crystal investment castings at withdrawal rates of 2 mm祄i......

An effective design method of freeform micro lens array is presented for shaping varied laser beams into prescribed rect......

To solve the problem that the accurate information of hand cannot be obtained by particle filter, a hand tracking algori......

In order to realize single emissive white phosphorescent organic light-emitting devices(PHOLEDs) with three color phosph......

This Letter reports the formation of periodic surface structures on Ni–Fe film irradiated by a single femtosecond laser......

Past researches have shown that the non-smooth body surfaces of soil burrowing animals help to reduce soil resistance. I......

The experimental study and analysis of a novel multi-media plate heat exchanger were performed in this paper.This novel ......

目的:风环境直接影响居住建筑室内外自然通风、舒适度以及污染物扩散情况。本文以居住建筑选址分析为目的,建立一系列针对东亚沿海......