激光耦合 的英文怎麼說

中文拼音 [guāngǒu]
激光耦合 英文
laser coupling
  • : 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...
  • : 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) ...
  • : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector

    摘要分析了圓柱形波導氣體器中的損耗,給出了最低階波導模eh11的損耗與反射鏡位置、曲率半徑的函數關系。
  2. It is interesting to observe that the principle of operation for the "prism" coupler of fig. 3. 22b is being considered for extracting the output from lasers of the mesa type.

    我們將看到圖322b的「棱鏡器」工作原理正被考慮用來從臺面器獲得出,這是很有意義的。
  3. The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering

    模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;掃描線間的作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。
  4. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的波均可勵該模式;當波波長滿足一定條件時,波導內傳輸單模,否則,將勵起高階模式,高階模即匪te波,也匪tm波,而是兩者而成的混模。
  5. Effect of high aluminum algaas oxidized layers on vertical - cavity surface - emitting lasers

    二極體線列陣器件
  6. Based on an amplified spontaneous emission ( ase ) source, a ring - cavity fiber laser, in which sensor element acted as the reflector of the cavity, was achieved with high - signal noise ratio ( snr ) and high - power. it was demonstrated that the output power was maximum, when output coupler ratio of the coupler was seventy percent

    實驗證實器的輸出比選為某一個最佳值70 ,當980nm泵工作電流為50ma時,其輸出功率達3 . 5mw ,且輸出波長與作為反射鏡的柵中心波長相同。
  7. A theoretical and experimental study of a new, efficient technique to couple a laser, emitting a highly elliptical beam, to a single - mode fiber without the use of bulk optical components is presented. the technique involves butt coupling the laser to a cylindrical lensed fiber and spherical lensed fiber

    本文從理論上和實驗上呈現了一個實用的技術,即在沒有使用分立球形學元件的情況下將高度橢圓化的束通過透鏡到單模纖中。
  8. The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state

    量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比發生「反轉」 ;氟取代苯環的嵌入大大降低,使固體吸收譜性狀與溶液類似。
  9. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  10. Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides.

    由於氣體器常用作源,故必須將其到薄膜波導中去。
  11. 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器的閾值、輸出功率和斜效率的表達式,並簡述了器的工作原理、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器的設計方法,給出了一定泵浦方式下,振蕩模尺寸、最佳輸出率、泵浦模尺寸、泵浦焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡小功率ld泵浦nd : yag器和透鏡組高功率ld泵浦nd : yag器,對器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag腔內插入一隻空液晶盒,觀察到了器以單縱模運轉;最後,根據泵浦焦斑端面位置對輸出功率的影響規律,提出了ld端面泵浦nd : yag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束腰半徑時,輸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 (最大輸出功率為1 . 926w )時,位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  12. 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

    總結了自己在輸出二極體模塊方面所做的一些工作,建立了半導體器列陣遠場束分佈模型,並結具體參數分析了不同結構的器列陣的束遠場分佈特性,可以知道我們設計和優化器列陣的結構。設計並製作了模塊的溫度控制系統,並製作成溫控纖輸出器半導體系統投入使用。
  13. The results show that the coupling efficiency is affected obviously by the fiber inclined angle, which can be improved if we choose the angle properly

    結果表明,不同的纖斜端面角度下,對半導體器的效率影響很大,根據不同的晶元參數理選擇不同的斜端面纖可以得到盡可能高的效率。
  14. The recent progress in the instrument, analytical technique of laser ablation inductively coupled plasma mass spectrometry ( la - icp - ms ) in metallurgical analysis has been reviewed

    摘要從儀器發展、分析技術應用研究等方面介紹了近年來燒蝕進樣電感等離子體質譜法( la - icp - ms )在冶金分析領域的最新進展。
  15. China university of science and technology li yin - mei group, proposed to dark field microscopy observation of light scattering technology and optical tweezers capture the idea of combining the traditional optical microscope optical tweezers system from the side of a bouquet of flake coupling laser irradiation samples, laser incident in a specific location, so that samples of the particles scattered light through the microscope imaging ; overcome the well - optical tweezers and microscopic imaging of laser irradiation, as well as strictly coincidence of the three key technologies to achieve the optical tweezers capture 100 nanometer - styrene ball at the same time also in the entire field of view of microscopic observation of nano - particles, to capture optical tweezers nanoparticles can also observation purposes

    中國科學技術大學李銀妹課題組,提出將暗場顯微術觀察散射的技術與鑷捕獲相結的設想,在傳統學顯微鏡鑷系統上從側面一束片狀照射樣品,在特定的入射位置,使樣品中粒子的散射可通過顯微鏡成像;克服鑷的阱位與顯微成像面以及照射面三者嚴格重的技術關鍵,實現了鑷捕獲100納米聚苯乙烯小球的同時也能在整個顯微視場中觀察納米粒子,達到了鑷捕獲納米粒子的同時也能觀測的目的。
  16. This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device

    桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得,這些測量方法需要有良好的基礎,在大型桁架梁測量現場,由於桁架的變形,難于找到這種基準,如果加上測量環境惡劣,人無法操作情況,則會給撓度測量帶來極大的困難,而採用電荷器件,並利用進行遠程實時撓度測量,即可以解決這個難題。
  17. High power diode laser array coupling with optical fiber not only make the use of diode laser easier, but also improve the dissymmetry of its output light beam and in the meantime, the output light coupling between the ld sources becomes easier and the power becomes higher

    大功率半導體器採用輸出方式不僅簡化了器件的應用,改善了輸出束的非對稱性,同時還可以簡便地實現多個半導體器的源之間的輸出或組,得到更高的功率輸出。
  18. Synchronization of lasers coupling system and its application in optical fiber chaotic secure communication

    激光耦合同步及其在纖混沌保密通信中的應用
  19. Research improvements are introduced in brief in this article, including selecting optical fiber and fiber - end surface preparation, fiber damage theory and threshold, coupling conductions, coupling efficiency

    文中簡要介紹了高功率激光耦合的關鍵技術,包括條件、效率、纖的選擇和端面處理、纖損傷機理及其閾值條件等方面。
  20. Special fiber delivery system was designed for high - power nd : yag laser, which assure the alignment of laser beam to fiber end face as well as avoid laser - damage. coupling efficiency experiments were performed

    針對大功率激光耦合的特點,設計了特殊的器結構,在保證纖對準的同時避免了器件的損傷,並進行了實驗研究。
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