focusing相关论文
针对现有非侵入式聚焦技术存在计算复杂、抗噪性能低、优化速度慢等问题,提出一种基于波前整形的非侵入式散射介质内聚焦技术.该技......
针对等离子体X射线成像诊断高空间分辨率的需求,本文提出了一种基于超环面石英晶体衍射聚焦元件的钛靶X射线高分辨率聚焦成像结构,......
通常情况下,激光光束经过散射介质后会产生无序的散斑。基于波前相位调制技术,利用连续序列算法结合四步相移法对入射激光的波面进......
提出一种光透过散射介质的散斑恢复算法,可实现大视场任意位置的聚焦。通过仿真模拟光路测量散射介质的传输矩阵并进行二值化处理,......
根据Zernike多项式的第四项系数q4和Seidel像差Focus项的对应关系，选用Zernike多项式第四项的系数q4的值作为激光干涉仪法定焦的判......
由于多重散射的影响，当激光光束经过散射介质(例如牛奶、生物组织等)之后将形成散斑。如何调制激光光束，使其经过散射介质之后能实现......
基于光学传输矩阵实现透过散射介质进行聚焦和成像是近年来光学领域的研究热点。为了测量得到散射介质的光学传输矩阵，并利用光学传......
研究了基于腔外螺旋相位调制获取高峰值功率飞秒准径向偏振光的方法, 结果表明该方法所产生的并非完全纯净的径向偏振光, 其径向分......
【Abstract】The United States and China are two main leading economies in the world， and the trade volume continues to in......
At a time when politics is more furious and fragmented than ever， when technology is colonizing our everyday existence， wh......
<div style=“text-align:justify;”> Focusing of an area array camera is an important step in making a high precision ima......
Near-Field Focusing With Subwavelength Thickness Metalenses via Electromagnetic Susceptibility Model
The design mentality of an optimal metalens model, based on the electromagnetic susceptibility, a synthesis of subwavele......
In Fukushima Daiichi Nuclear Power Plant (FDNPP) accident, the fuel debris formed in the Reactor Pressure Vessel (RPV) a......
Total Focusing Method Damage Imaging in Frequency Domain Using Laser-Ultrasonic Lamb Wave Based on T
A fully non-contact experimental platform for ultrasonic Lamb wave damage detection was constructed,where laser exciting......
We present the main features of the ultrashort, high-intensity laser installation at the Intense Laser Irradiation Labor......
To overcome the inherent limits of traditional single wave imaging for nondestructive testing,the multi-wave focusing an......
AE-PP48Selective Focusing of Target Guest Molecule Norfloxacin in High Salt Biological Sample by Hos
The interaction of host-guest molecules has attracted wide attention in analytical chemistry, molecular recognition ......
Cities separated in space are connected together by spatial interaction (SI) between them. But the studies focusing on t......
Aim: To investigate the androgen receptor (AR) isoforms and its variability of expression in human and rat prostatictis......
The non-integral dimensions ultrasonic phased arrays and their scanning and testing methods in a borehole are studied.Fi......
The monotonic and cyclic behavior of a soil-structure interface has a significant effect on the mechanical response of a......
Depressive symptoms are very common in chronic conditions. This is true so for neurodegenerative diseases. A number of p......
IM 2015will be held 11-15 May 2015 in Ottawa,Ontario,Canada at the Ottawa Convention Centre.Held in odd-numbered years s......
Human flesh search(HFS), a Web-enabled crowdsourcing phenomenon, originated in China a decade ago. In this article, we p......
<正> The β ray spectrometer is one of the essential instruments for β and γ spectroscopy.It is very useful for the de......
<正> Ⅰ. INTRODUCTION It is attractive to use the ultrahigh electromagnetic field obtained with laser to accelerate the ......
对方位偏振平面波、高斯光束、贝塞尔-高斯光束和双环拉盖尔-高斯光束的聚焦特性进行了理论计算,分析了物镜数值孔径和截断因子对......
Preparation of polyacrylamide based monolith with immobilized pH gradient and its application for pr
Monolithic materials were prepared in capillaries by in situ polymerization of acrylamide, glycidyl methacrylate and N,N......
Donald Margulies, born in 1954, is a significant contemporary?. In 2000, Donald Margulies won Pulitzer Prize for Drama.F......
We report the controlled growth of Au25(SR)18 and Au38(SR)24 (where R=CH2CH2Ph) nanoclusters of molecular purity via siz......
A novel optical beam splitter constructed on the basis of photonic crystal(PC) with hybrid lattices is proposed in this ......
Theoretical demonstration of the hybrid focusing points of sonic crystal flat lenses and possible ap
We demonstrate the hybrid focusing points of sonic crystals for a multi-source array applied to flat sonic crystal lense......
Hirschsprung’s disease is a congenital disorder that occurs in 1:5000 live births. It is characterised by an absence of......
Photonic crystal(PC)ofers a powerful means to mold the flow of light and manipulate lightmatter interaction at subwavele......
We theoretically demonstrate that at certain frequencies two-dimensional dielectric photonic crystals(PCs)may be regarde......
Flat lenses are designed by means of graded negative refractive index-based photonic crystals(PCs) constructed using air......
The main parameters of double focusing silicon crystal monochromator applied for CARR neutron residual stress spectromet......
The past two decades have witnessed a rapid growth in the field of synthetic polymer chemistry,focusing on the fine cont......
London.Western attention is focusing,belatedly,on a major scientific project in mainland China:total synthesis of bovine......
NONUNIFORM APPROACH TO TERMINAL VELOCITY FOR SINGLE MODERAYLEIGH-TAYLOR INSTABILITY——Howel Tong Ireflect upon......
We report the observation of spectral broadening induced by 200 femtosecond laser pulses with the repetition rate of 1 k......
Hand, foot, and mouth disease(HFMD), caused by enteroviruses, is a syndrome characterized by fever with vesicular erupti......
Electro-optically tunable self-focusing and self-defocusing in KTP crystals by a cascaded second-ord
We report the transformation of a linear electro-optically tunable non-phase-matched second-order nonlinear process into......
Recently,European SHINE R&D group,focusing on the research and development of synthetic rubber self-recovery technology,......
Gold nanoparticles,owing to their unique physicochemical and optical properties,well-established synthetic methods and e......
On April 2, 2017, the world will celebrate the ninth annual World Autism Awareness Day. In honor of this occasion,Neuros......
Transverse Optical Properties of the Eu~(3+):Y_2SiO_5 Crystal in Electromagnetically Induced Transpa
According to density matrix equations of the interaction between light and matter,the expression for the susceptibility ......
The project“Key process,technology and equipment for manufacture of low-carbon olefins and derivatives”envisaged in th......
The 10th anniversary of Water Science and Engineering:A journal focusing on research frontiers and s
Water Science and Engineering(WSE),founded in 2008,is a scholarly journal published in English,with focuses on water sci......
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Self-trappingandSelf-focusingofLightBeamsinUniaxialCrystals ¥ GUOQi (Institute of Quantum Electronics, SouthChinaN......
