輸入光束 的英文怎麼說

中文拼音 [shūguāngshù]
輸入光束 英文
input beam
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
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  • : 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;...
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  1. The equation for the quasi - continuous atom laser beam wave - function is given by schrodinger equation, the beam width, divergence curvature radius and quality factor were introduced to represent the atom laser beam whose transverse potential could be separated. for the conservative quality factor system in some direction, we can ge t the propagator of abcd formulation

    本文在含時量子系統傳播子的abcd形式理論的基礎上,引某一方向的寬、發散角、曲率半徑和品質因子等參數來表徵橫向勢能滿足x和y分量相互獨立的原子激的傳
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激器的閾值、出功率和斜效率的表達式,並簡述了激器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激器的設計方法,給出了一定泵浦耦合方式下,振蕩模尺寸、最佳出耦合率、泵浦模尺寸、泵浦焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激器和透鏡組耦合高功率ld泵浦nd : yag激器,對激器的出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖出的高功率ld泵浦nd : yag激腔內插一隻空液晶盒,觀察到了激器以單縱模運轉;最後,根據泵浦焦斑端面位置對激出功率的影響規律,提出了ld端面泵浦nd : yag激位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激晶體內泵浦平均斑半徑遠小於振西安理工大學碩士學位論文蕩腰半徑時,激出功率的自然指數與泵浦焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大出功率為1 . 926w )時,激位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. Working on laser diode fiber - coupling modules was summed up, they are, setting up the model of far - field distribution of laser array and the far - field characteristics of difference structures ; designing the temperature - controlled laser diode fiber modules, that has been used as a laser system with temperature - controlled and fiber - output ; realization with high - brightness laser diode fiber - coupling modules ; the fiber ' s application in the field of high power laser

    總結了自己在纖耦合出激二極體模塊方面所做的一些工作,建立了半導體激器列陣遠場分佈模型,並結合具體參數分析了不同結構的激器列陣的遠場分佈特性,可以知道我們設計和優化激器列陣的結構。設計並製作了纖耦合模塊的溫度控制系統,並製作成溫控出激器半導體系統投使用。
  4. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料,對該種激器進行了深的研究,通過對yag棒直徑的合理選取併合理地改進反射鏡面,從而既保證了質量又最大限度的增加了吸收長度,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長度減小出損耗;對yag棒的水冷系統進行優化結構設計,使激器體積減小到國外同類產品體積的一半,而出功率已達到國外同類產品的極限值。
  5. And it should be linear polarization in s direction by analyzing the relations between the reflection, absorption loss of optical thin film at oblique incidence and the polarization state, and at this time the brewster window made of very low - absorption material can be used

    通過對斜射高反射鏡反射率、吸收損耗與偏振特性間的關系進行分析,表明諧振腔內的本徵振蕩最好應為s方向的線偏振,這樣出窗口還可採用布儒斯特窗。
  6. 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

    詳細研究了泵浦振幅對信號波形的影響,得到了三維自散焦介質中初始高斯信號聚焦時波形的典型演化過程。
  7. Numerical examples illustrated the spatiotemporal properties such as spectrum redshifting, narrowing and pulse distortion, etc. it is stressed that the " antibeam " behavior of ultrashort pulsed beams can be avoided, if a suitable truncation function is introduced to the initial pulse spectrum

    數值計算例說明了在色散介質中會出現譜紅移、變窄、及脈沖形變等傳效應,而且對初始譜引截斷函數可以避免「非」行為。
  8. Calculations show that the near - field profile of the output beam is strong function of the laser launching conditions

    計算表明,激射條件與的近場功率密度分佈有著函數關系。
  9. Studies indicated that image distance is independent of input intensity above a certain threshold and distance between modulate plane and input plane of media, but dependent on the gain coefficient and modulation size ; the intensity of the " hot image " is independent of modulation size and distance between modulate plane and input plane of media, but dependent on the intensity of input beam and the gain coefficient

    研究表明,成像距離基本上與輸入光束的強度和調制平面到介質射面的距離沒有關系,但是與介質的增益系數及調制細絲的尺寸有關; 「熱像」的強度與調制細絲的尺寸和調制平面到介質射面的距離基本上沒有關系,但是與輸入光束的強度和增益系數有關。
  10. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊縛近似的微擾法計算陣列波導的相位常數與角譜的關系,由此算出相位常數的帶寬,並利用衍射方法估算單模傳中k色散引起的群延時。
  11. The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction

    平板波導內的衍射過程是「分頻成譜」的過程,在陣列波導的面接收到的是信息的角譜;而出平板波導內的衍射過程則是「合頻成像」的過程,正是由於陣列波導出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在出波導面上能夠得到夫瑯和費衍射圖樣。
  12. The paper is concerned with the eigen functions of optical fields in dielectrics, the theories of optical waveguide eigen mode, the characteristics of optical waveguides diffracted field, the theories of mode coupling in optical waveguides and the spectral response theories and simulating method for arrayed waveguide grating. in this paper, a set of beam propagation theory based on eigen modes analysis is set up which afforded theoretical basis for designing and analyzing awg devices. experiment of fabricating sio _ ( 2 ) layer by using porus silicon is also carried out in this paper, which is a new method for fabricating waveguide cladding layer

    本文以設計陣列波導柵器件為目標,對介質波導場的本徵波函數,波導本徵模理論,波導衍射場特性,波導模式耦合理論和awg器件的譜響應特性及模擬方法進行了深研究,建立了一套基於本徵模式場分析的波導理論,為波導器件的設計提供正確的理論基礎,並嘗試了利用多孔硅生長厚的二氧化硅,用於製作波導包層材料。
  13. ( 3 ) another method using liquid crystal spatial light modulator can control the small region of incident laser, which can change the intensity distribution and uniform temperature distribution. the related driver circuit of liquid crystal spatial light

    ( 3 )採用液晶空間調制器方案實現溫度分佈均勻化通過液晶空間調制器對不同位置的微小局部進行幅度調制,從而改變場分佈,達到均勻化的目的。
  14. Due to the different values of incident angle, there are two different propagation formats. one case is that the beam is finally trapped in a guide - like channel and propagates stably along the channel when the launching angle is smaller than a critical value. otherwise, it will propagate along the incident direction all along

    由於射角度的取值不同,格子孤子具有兩種不同的傳方式:當射角小於某臨界角度時,可被類似波導形式的路徑俘獲,轉而沿該路徑向前傳;當射角大於該臨界角時,孤子則不會被俘獲,而是沿著射方向直線傳
  15. Starting from the propagation law of partially coherent light and using a typical partially coherent light, i. e., gaussian schell - model ( gsm ) beam describing the multimode laser in practice, i present in this dissertation the research results on vectorial partially coherent light, spectral changes of partially coherent light passing through optical element, spectral switch of partially coherent light diffracted by an aperture, and the spectral anomaly of diffracted fully spatially coherent light by an aperture

    本文從部分相干的傳理論出發,以模擬實際多模激的一類典型部分相干? ?高斯-謝爾模型( gsm )為主要研究對象,對矢量部分相干、部分相干通過學元件的譜變化、被闌衍射的部分空間相干譜開關和被闌衍射的完全空間相干譜異常等現象進行了深研究。
  16. We discuss the effect on the focusing of the probe beams for the five initial parameters : the amplitude of the pump beam, the separation between the pump and the probe beam centers, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the directions of x and y. our numerical results show that, more the amplitude of the pump beam, the wavelength ratio of the pump and the probe beams and the ratio of the initial beam widths at the direction of y, more the probe focus ; the separation between the pump and the probe beam centers and the ratio of the initial beam widths at the direction of x have optimum values, respectively

    研究了泵浦振幅、泵浦-信號初始偏移、泵浦-信號波長比和泵浦-信號x 、 y方向的初始寬比五個參量對信號聚焦程度的影響。數值模擬結果表明,泵浦振幅越大、泵浦-信號波長比越大、 y方向寬比越大,信號聚焦程度越大;泵浦-信號初始偏移和x方向初始寬比都存在一個最佳值,使得聚焦達到最佳效果,有趣的是這兩個最佳值的比值基本保持不變約為0 . 4 0 . 6 。
  17. In this paper, the evolution of two co - propagating optical beams in parallel, governed by the nonlocal nonlinear schrodinger equation ( nnlse ), is discussed in nonlocal kerr media

    本論文研究了在強非局域克爾介質中平行射、共同傳的兩高斯的演化規律。在非局域非線性介質中的傳滿足非局域非線性薛定鄂方程( nnlse ) 。
  18. It is found that the phase of the two co - propagating beams is depended on their total power

    結果表明在傳過程中相互作用的高斯的相位決定於它們的總功率。
  19. Influence of alignment between input signal and line - array fiber - optic image bundles on the modulation transfer function

    信號與線列纖傳像的位相匹配對調制傳遞函數的影響
  20. Beam quality of the output laser is dependent on not only the fiber ' s structural parameter but also the launching conditions of laser

    出激質量不僅與纖的結構參數有關,而且還與激射條件有關系。
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