散焦光束 的英文怎麼說

中文拼音 [sǎnjiāoguāngshù]
散焦光束 英文
defocused beam
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 焦 : Ⅰ形容詞1 （物體受熱失去水分 呈現黃黑色並發硬、發脆） burnt; scorched; charred 2 （著急） worried;...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  1. The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented

    此外，本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序，提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法，並模擬了會聚高斯光束在sil系統中的傳輸，研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律，為sil存儲系統的優化設計提供了理論依據。
  2. Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed, in which the relativistic self - focusing effects, together with the perturbed plasma density, is discussed

    第二章：本章闡述了超強激光光束在拋物型部分電離的預等離子體（聚焦和散焦）隧道中的傳輸特性。研究了相對論自聚焦效應和等離子體波引起的密度擾動對傳輸的影響。
  3. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉，通過數值模擬發現在非線性折射率不是均勻分佈時光束偏轉能降低抽運光功率並且偏轉角度不減小，在相同的功率條件下，能產生更大的偏轉。
  4. Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components

    激光誘導擴散是用聚焦的激光束局域加熱半導體基片，將雜質以擴散的方式摻入到特定區域並且達到一定要求的一種技術，具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點，可有效解決單片光電集成器件（ oeics ）中光、電兩部分的工藝兼容這一難題。
  5. In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb

    在焦平面上，聚焦中空光束的dss越小，光學勢越大，相應的最佳失諧量越大，這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡，而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。
  6. How a dark pump beam induces a bright probe beam to focus in two - and three - dimensional self - defocusing media is discussed in chapter 5

    第五章，討論了二維和三維自散焦介質中具有暗光束分佈的泵浦光對基模高斯信號光的聚焦作用。
  7. Secondly, it is numerically simulated how a dark pump beam induces a bright probe beam ( with the gaussian profile spatially ) to focus in two - and three - dimensional self - defocusing media, and the main factors that have influence on the focusing of the probe beam are also analyzed

    二、研究了具有暗光束分佈的泵浦光與基模高斯型信號光在二維和三維自散焦介質中同向共同傳輸時的誘導聚焦現象，分析了影響聚焦過程的主要因素。
  8. The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively

    6 ，使用傅立葉積分變換法，在考慮透鏡色差和高階色散效應的較為一般情況下，分別研究了等束寬超短脈沖高斯光束和等衍射長度超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。
  9. In this thesis, induced focusing in self - defocusing media is explored thoroughly by numerical method

    本文用數值方法對自散焦介質中的光束誘導聚焦現象進行了系統的研究。
  10. The historical review is given about the research on the induced focusing of optical beams in self - defocusing nonlinear media

    在此基礎上對三維自散焦介質中由交叉相位調制效應誘導的光束聚焦進行系統研究。
  11. In this, we focus on the phenomena of the induced focusing when two beams propagation in self - defocusing nonlinear media in an off - axis geometry

    本論文旨在研究三維自散焦介質中由交叉相位調制效應誘導的光束聚焦。
  12. We study the evolution of a probe beam profile in the influence of a pump beam in the off - axis geometry and obtain the typical process of probe focusing

    詳細研究了泵浦光束輸入振幅對信號光束波形的影響，得到了三維自散焦介質中初始高斯信號光束聚焦時波形的典型演化過程。
  13. In chapter 4, it is simulated that a probe beam and a pump beam counter - propagate in a two - dimensional self - defocusing medium and thorough analyses are made to the induced focusing in this configuration

    第四章，用分步傅立葉方法模擬雙光束在二維自散焦介質中的對向共同傳輸過程，對出現的誘導聚焦現象進行了系統的分析。
  14. In chapter 2, the basic theory on the simultaneous propagation of two optical beam in nonlinear media is given briefly, and a couple of parameters for describing the focusing of a beam are introduced as well

    全文共六章，各章內容如下：第一章，介紹了自散焦介質中的光束誘導聚焦現象及其研究進展。第二章，簡述了雙光束傳輸的基本理論，並且引進了描述光束聚焦過程的幾個參量。
  15. If a nd : yag laser runs at high pump power, laser resonator will generate multimode beam due to thermal lens of active rod. the higher pump power is, the bigger divergence occurs and the smaller rayleigh range is

    當nd ： yag激光器工作在高泵浦功率下時，由於nd ： yag激光器工作物質的熱透鏡效應導致了諧振腔輸出多模激光，隨著泵浦功率的升高激光光束發散角增大，焦深減小。
  16. In general, the lens chromatic aberration and the group velocity dispersion lead to a broadening in the temporal and spatial intensity distributions at the focal plane and a decrease o

    一般說來，透鏡色差和群速度色散會使焦平面上脈沖光束的時間、空間光強分佈展寬，峰值光強降低。
  17. Chapter 2 : using a so - called variance matrix, we studied the propagation and the focusing characteristics of the paraxial light beams. the quantities characterizing the gross features for a paraxial optical beam, such as the beam width, the divergence, the curvature radius of the wavefront, the complex beam parameter q. and the beam quality factor, are related by using variance matrix

    第二章：闡述了常數折射率介質中光束的傳輸和聚焦，建立了表徵傍軸光束總的特徵的量，如：束寬、衍射發散角、波前曲率半徑、復光束參數q與變換矩陣的關系，得到了光束質量因子和變換矩陣行列式的定量關系。
  18. Using knife - edge method at the focus of a lens to measure the beam divergence of a giant pulse laser output

    焦點刀口法測量巨脈沖激光的光束發散角
  19. After the focal plane, the focused hollow beam propagated according to a constant angle of divergence, the dss become larger, and the intensity become weaker

    經過焦點后，這一聚焦中空光束將以一定的角度發散，它的dss會變得越來越大，光強度變得越來越弱。
  20. The performance of devices is directly decided by the impurity distribution in the diffused region, and the impurity distribution may be affected by the material thermal properties, the mechanism of diffusion, the power of laser and the diffusion time

    激光誘導擴散過程中，基片的熱物理特性、擴散源的擴散機理、激光束的功率大小和擴散時間以及光束的聚焦狀況等等，都會對擴散結果產生重要的影響，而擴散層的雜質分佈情況將直接決定器件的性能指標。
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