激光束分離 的英文怎麼說

中文拼音 [jīguāngshùfēnlí]
激光束分離 英文
laser beam splitting
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 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;...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  1. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標畸變，採用垂直二維振鏡分佈， f物鏡聚焦，將激光束經第二個振鏡反射後到加工平面的距離為焦距f ，為了避免打標時間過長，溫度過高破壞諧振腔，在設計中加上冷卻系統和自我保護裝置。
  2. Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment

    實驗中發展了一些測量技術，例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象，利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈，利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈，可以作為實驗室的常規測量工具，並有一定的推廣價值。
  3. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  4. 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。
  5. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。
  6. The main results show that : ( 1 ) the mechanism of laser bending is very different from that in bending with hard tools. ( 2 ) the bending angle is varied along scanning direction, and there is a deformation wave in the process. ( 3 ) the effects of sheet length on bending can be neglected while the length is more than 10 times of thickness. ( 4 ) the sheet width has much higher influence on the bending process

    分析發現：激光彎曲成形時板料的應力狀態與機械折彎時有根本不同；當激光束沿直線單向掃描時，板料兩端的彎曲角度不同；板料的長度大於10倍板厚或5倍光斑尺寸時，板長對彎曲角度的影響不再顯著；沿掃描方向，距離光斑中心3倍光斑尺寸以外的區域，仍然對彎曲變形量產生影響。
  7. The x - ray spectra emitted from laser - produced plasmas contain plentiful information. it is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. it plays a significant role in the field of inertial confinement fusion

    慣性約束核聚變（ icf ）中，激光等離子體發射的x射線譜中包含著十分豐富的信息，是研究等離子體形成、發展並進行狀態診斷的有力工具之一，具有非常重要的意義。
  8. Elemental analysis based on the emission from plasma generated by focusing a powerful laser beam on a solid sample surface is known as laser - induced breakdown spectroscopy ( libs ). when the power density of laser on the sample surface is high enough, the sample is vaporized, and the neutral and ionic species are formed in excited states

    利用聚焦的強激光束入射固體靶表面產生激光等離子體，對等離子體中原子和離子發射譜進行雜質元素分析，這一過程叫做激光誘導擊穿譜（ laser - inducedbreakdownspectroscopy ） ，簡稱（ libs ） 。
  9. By using dta, ir and xrd analysis, the result show that : in the gel glass of these two system, the phase change of the zirconia and the alumina are restricted because of the high content of silica which leads to the stabilization of the prepared materials. and the applications of these two materials is introduced briefly. by using absorption spetrum and fluorescence spetra analysis, the result show that : in the gel glass of the nd - doped sio2 - al2o3 gel bulk glass - ceramic, the strongest emmision is at about 1. 06u m, the clustering of nd3 + ion is controlled by the addition of alumina which creates the " cage effect " to nd3 + ion

    同時分別對凝膠進行了dta 、 ir 、 xrd分析，結果表明：對於此兩個系統的凝膠玻璃-陶瓷，由於二氧化硅含量較高，使得氧化鋯及氧化鋁的相變受到約束，從而保證所制備材料的穩定化，同時對兩種材料的應用也作了簡單介紹；對摻釹sio _ 2 - al _ 2o _ 3激光玻璃-陶瓷進行了熒光及吸收光譜分析，結果表明：釹鋁共摻雜二氧化硅玻璃的最強發射處於1 . 06 m左右，加入的少量氧化鋁使釹離子產生「籠效應」 ，阻止釹的團聚。
  10. Due to great advantage of the excimer laser in photoelectron material, photoelectron technology research, so in this thesis, a xecl excimer laser is designed in order to solve some problem in semiconductor film, cmr film, quartz film and other kind of film application, optical etching field, interaction between laser and material, material plasma study. the parameters of the excimer laser is e also measured and analyzed

    因此本文以氣相沉積、外延生長、巨磁薄膜、金剛石及其它薄膜制備及后續的光刻，激光與物質的相互作用，等離子體研究為目的，研製獲得了激光脈寬18ns ，單脈沖能量150mj ，矩形光斑大小2cm 1cm ，束散角3mrad ，最高重復頻率5hz的xecl準分子激光器。
  11. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。
  12. A dfdl model including gain saturation effects is developed and this model is used to study the fluctuation of the pulse width theoretically, which is identical to the experiments. in order for ps pulse amplification, the saturation fluence for krf at 10 ps and gain of the discharge krf laser are monitored. 4

    開展了10pskrf激光在空氣中的傳輸實驗研究，計算了自導引區內的閾值光強，觀測到光束自聚焦和自導引現象，測量了自導引區域內的等離子體密度，並對激光脈沖的傳輸演化進行了分析。
  13. The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k

    （ 1 ）對于光譜標鋼準樣品，當激光器工作電壓為1600v 、氬氣壓力為600乇時，譜線強度達到最大，並且在相同壓強下，氬氣中的等離子體與空氣中的等離子體相比，其輻射強度明顯增強；氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍，而等離子體溫度卻下降了近1000k ，即等離子體溫度隨環境氣壓的增大而增大；當激光束的焦斑在樣品表面上下移動時，激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈，其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。
  14. The main results are as follows : 1. the propagation of an ultrashort intense pulse laser beam in low - density plasmas is investigated analytically. relativitistic pondermotive force and space - charge effects are included, and an equation describing the evolution of the laser spot size is derived

    考慮有質動力與電荷分離場的平衡，推出了超短超強脈沖激光在低密度等離子體中的折射率、電子密度和電荷分離場的表達式以及激光束斑的演化方程。
  15. When passed through the beam - splitter, a pulsed laser beam was split into 3 beams with an interpulse delay of 13 ns. these 3 separated laser pulses reach the m - z interferometer at different time and each laser pulse gave a snapshot of the implosion state. thus three different - time interferograms can be obtained in one shot of z - pinch

    激光器發出的光束經過分光系統被分成時間間隔13ns的三束光，它們于不同的時刻先後到達m - z干涉儀，每一束激光脈沖可以記錄下等離子的一個狀態，從而可以得到三幅不同時刻的干涉圖。
  16. Starting from maxwell ' s equations, the paraxial propagation equation of intense laser light in ionizing gases is derived and is analyzed by means of the source - dependent expantion ( sde ) method. an equation governing the evolution of the laser beam redius is obtained, based on which we analyze the ionization - modulation ( im ) instability. then, a vectorial, nonparaxial propagation equation is established, and the mechanism of energy loss during the propagation is analyzed

    首先從maxwell方程組出發推導出強激光在電離氣體中傳輸的傍軸傳輸方程，利用源展開方法對傍軸傳輸方程進行分析，得到光束半徑的演化方程，從而討論傳輸過程中的電離調制不穩定性；再建立矢量非傍軸模型，並討論氣體電離產生等離子體所引起的激光能量損耗機制。
  17. The binary optical elements are small, light, easy to be copied and able to realize multi - purpose integrated, especially suits for the beam shaping of laser diode array, thus make us choose it for realizing our system. because single module gaussian beam can be decomposed in a pair of vertical directions, we transform each pair of vertical beams outputted by bars separately, this can make our design easy to achieve

    可實現多功能集成等特點，特別適用於半導體激光器列陣的光束整形，因此我們選用二元光學器件來實現耦合系統?利用半導體激光器輸出的基模高斯光束可分離變量的特點，我們對面陣中各吧的兩個相互垂直方向上的光束分別進行整形變換，這樣整形器件可以設計成一維結構，便於實現
  18. The interaction mechanism of atomic force between tip and sample was unveiled more clearly with the analysis of the change regularity of force - distance curve. the theoretical research about the light pressure of laser and the gravity exerting on the micro - cantilever was first conducted in this paper : setting up the interacting model and formula of the light pressure, investigating the effects of these factors on the interaction mechanism of atomic force and the performance of afm, conceiving a method to remove these effects and so on. all of these were the theoretical foundation of developing the new atomic force microscopy and the new type of horizontal afm system

    本文在全面分析掃描探針顯微鏡（ spm ）技術，特別是afm技術的國內外發展歷史、現狀及存在的主要問題的基礎上，進一步揭示了afm的原子力作用機理，著重分析了力?距離曲線的變化規律；對作用在微懸臂上的光壓力和微懸臂本身的重力進行了系統的理論研究和計算分析，建立了激光束對afm微懸臂的光壓作用模型及計算公式，考察了這些因素對原子力作用機理及afm性能的影響；提出克服或消除這些影響的理論構想，為發展新的afm技術、研製新型afm系統提供了重要的理論依據。
  19. The principle, characteristic, progress and the developmental trend of plasma jet surface metallurgy and laser cladding are described, and the two technologies are compared through analyzing the structure and organization of coatings

    摘要介紹了等離子束表面冶金和激光熔覆技術的原理、特點和研究現狀，分析比較了兩種技術的工藝特點及塗層組織結構特點。
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