衍射光束 的英文怎麼說

中文拼音 [yǎnshèguāngshù]
衍射光束 英文
diffracted beam
  • 衍 : [書面語]Ⅰ動詞（開展; 發揮） spread out; develop; amplifyⅡ形容詞（多餘） redundant; superfluousⅢ名...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 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. It diffracts the diffracted beam which effectively means that it generates an inverse transform.

    它對衍射光束再發生衍射，這實際上意味著它產生了一個逆變換。
  2. Comparison of two numerical simulation methods for hard - edged diffracted beams

    兩種硬邊衍射光束計算模擬方法的比較
  3. Our study shows that the optical potential of the diffracted light of the semi - gaussian beam is far higher than that of the evanescent - light wave, and its maximum normal velocity of the incident atoms can be far grater than that of the evanescent - light wave under the same parameters, so the blue - detuned semi - gaussian beam, as a novel atomic mirror, can be used to efficiently reflect atoms with a normal velocity of greater than 1 m / s

    研究表明，半束蘭失諧高斯光束衍射光場的光學勢遠大於消逝波光場的光學勢，在同樣的參數條件下，入射原子的最大速度也比消逝波光場的大，所以作為一種新穎的原子反射鏡，半束蘭失諧高斯光束可以被用來有效的法向速度大於1m s的入射原子。
  4. And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings

    由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合，作為應用，本文介紹了完備性在三個情況下的應用：平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。
  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. Two spherical waves and multiple spherical waves interference, and yang ' s interference experiments are simulated by using different methods. two spherical waves interference is focused on the on - plane or out - plane of the spot light source plane and the observing plane. then, we analyze how the temporal coherence of optical waves influence the contrast of the interference pattern

    用光波波前疊加的方法實現了對兩列球面波干涉、多光束干涉等實驗的模擬；用傳播矩陣描述衍射光波波前傳播的方法對楊氏雙縫和雙孔干涉實驗進行了模擬，並具體詳細地分析了單縫衍射對雙縫干涉的影響；另外還分析了光場的時間相干性對干涉條紋反襯度的影響。
  7. In this thesis, the properties of the free - space propagation and focus were studied when a beam propagates through an axicon

    本論文主要是探討激光光束經過軸棱錐轉換后產生的無衍射光束的傳輸特性和聚焦特性。
  8. Based on huygens - fresnel diffraction integral theory, the propagation properties of bessel beam were studied in this paper. by using the analyses of geometrical optics, hollow beam are found and the formula of the starting point 、 the end point and the bottle length can be got

    論文中，我們基於惠更斯-菲涅耳衍射積分理論研究了由軸棱錐產生的貝塞爾光束的傳輸特性，並且通過幾何光學解析無衍射光束的聚焦特性。
  9. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素，然後對系統的激光準直方案進行論證，並確定了無衍射光束的生成方案、高精度自動安平系統的結構方案，最後以ccd為接收器件，通過計算機圖像處理，完成對軌道直線性的測量。
  10. A large number of basic phase structures in the diffractive microlens can be set and arranged by a diffractive integrating algorithm according to the appearance and feature parameters of the beam process

    組成衍射微透鏡的大量基本相位結構，可以根據人射和出射光束的形貌特徵及參數指標，通過衍射積分演算法靈活設置和排布。
  11. The light is emitted by the laser diode and enters a diffraction grating

    激光束從激光二極體中發出，射入衍射光柵。
  12. When the laser frequency is larger than the atomic resonance frequency ( blue detuning ), the atoms will experience a repulsing force that will repulse the atoms to the minimum place of light field. this is the principle of atomic mirror or atomic guide and trap. in this thesis, we propose three novel mirrors to reflect atoms by using intensity gradient induced by a blue - detuned semi - gaussian laser beam, a blue - detuned semi - ellipse - gaussian laser beam and a blue - detuned semi - flattened - gaussian laser beam

    本文提出了三種實現原子束反射的原子反射鏡的新方案： （ 1 ）半束蘭失諧高斯光束的原子反射鏡（ 2 ）半束蘭失諧橢圓高斯光束的原子反射鏡（ 3 ）半束蘭失諧平項高斯光束的原子反射鏡，詳細計算了上述反射鏡的衍射光場的空間分佈，並討論了運動原子在光場中所受的偶極力。
  13. Under the same beam parameters, the intensity gradient near the mirror surface of the blue - detune sfgb is the nearly same as that of the sgb, but the intensity distribution of the fgb is a constant within a larger radial range, the width of the sfgb mirror will far greater than one of the sgb mirror

    類似地，半束蘭失諧平頂高斯光束反射鏡和sgb反射鏡相比在yoz平面上的衍射強度梯度是近似相同的，也就是說在入射光束參數相同的條件下，在上述二種反射鏡表面附近入射原子受到的光偶極排斥力大小是近似相同的。
  14. When the beam waist wy of blue - detuned segb along the y direction is 10 mm, and its wx is decreased from 10 mm to 1mm, the absolute diffracted intensity from the segb surface will be 10 times of that from the sgb surface, which can be used to reflect an incident atomic beam with a higher normal velocity

    因此，當橢圓高斯光束的w _ y = 10mm ，而w _ xw從10mn減小到1mm ，半束蘭失諧橢圓高斯光束反射面的衍射光強將比同樣參數條件下的sgb反射面的衍射光強提高了10倍。
  15. However, the intensity gradient ( force ) of the diffracted light of the semi - gaussian beam is far smaller than that of the evanescent - light wave, so its spontaneous emission probability is greater than that from the evanescent - light one when the normal velo city of the incident atom is greater

    然而，因為半束蘭失諧高斯光束衍射光場的強度梯度力遠小於消逝波光場，所以當入射原子速度較大時，原子在半束蘭失諧高斯光束衍射光場中的自發輻射幾率要大於消逝波光場。
  16. The cavity mirror can also be designed according to an objective function. the second part ( the 5th chapter ) is to introduce the concept of low diffraction beam and to illustrate the principle and method how to realize it. a low diffraction beam is obtained by reconstructing the existing optical resonator of a co2 laser using a special diffraction phase plate

    第二部分（第五章）提出了低衍射光束的概念，簡述了實現低衍射光束原理和方法；通過腔內放置衍射元件的方法實現了低衍射光束的輸出；並對這種光束進行了理論和實驗研究，理論模型結果和實驗結果很好地吻合。
  17. The structure is shown to achieve extremely low reflectance over a wide field of view and a wide light wave band. in the second section, we analyzed the etching surface

    在衍射光學元件的製作實驗部分，本論文完成的主要工作是進行刻蝕工藝的研究，對離子束刻蝕產生的面形進行了理論的分析。
  18. A research on the relationship between the beam parameters in the diffractive field of planar waveguide in te0 mode and the waveguide structure parameters

    平面波導基模端面衍射光束參量與波導結構參數關系的研究
  19. Both the experimental and theoretical results show that the low diffraction beam has great advantages over the gaussian beam in an ablation - dominated material removal processes

    發現了低衍射光束比高斯光束在激光消融聚合物材料上具有顯著的優點。
  20. The main work of this dissertation focuses on the analysis and design theory for a resonator with diffraction optical elements by using a matrix eigenvalue method. the principle and method how to realize a low diffraction beam have been described. both the experimental and theoretical results show that the low diffraction beam has great advantages over the gaussian beam in an ablation - dominated material removal processes

    本文的重點是：闡述了利用矩陣本徵值方法分析和設計激光諧振腔的系統理論；簡述了產生和實現低衍射光束的原理和方法，實驗發現了低衍射光束比高斯光束所具有的獨特性能；理論設計和研製了衍射光學元件，並通過實驗獲得空心激光光束，提出了對不同空心光束的描述方法。
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