聚束器 的英文怎麼說

中文拼音 [shù]
聚束器 英文
beam buncher
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : 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;...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally

    因工業激光材料加工等民用市場的需求以及慣性約變和作為新一代激光武候選件等軍方需求的推動,國際上高功率二極體泵浦固體激光( dpsl )的研究進展迅速,作為dpsl的一個重要應用,內腔倍頻一直得到大家的重視,但仍有許多未徹底解決的問題和理論上的不完備之處,本論文擬對其中的一些問題作一初步的理論和實驗研究。
  2. The projector and beam of light represent the elohim creator beings consciousness, the celluloid and focusing device on the projector represent the template and its synchronization function, the screen represents the magnetic receptacle or matrix which will receive the higher image, and the image ( projection ) is the creation itself

    投影機和光表徵了耶洛因創造者的存在意識,投影機上的賽璐珞和焦裝置表徵了生命模板和它的同步功能,銀幕表徵了磁場容或矩陣能量,矩陣能量可以接受到更高級的圖像,而圖像(投射)就是創造物本身。
  3. Ultrashort pulse amplification, including chirped pulse amplification ( cpa ) and optical parametric chirped pulse amplification ( opcpa ), has been becoming one of the hot researches in the field of ultrashort pulse laser technology because ultrashort and ultrahigh intensity pulse laser has important applications in high field physics, such as x - ray laser, icf, laboratory astrophysics, laser particle accelerator, and so on

    由於超短超強脈沖激光在x射線激光、慣性約變、實驗天體物理、激光粒子加速等強場物理研究領域內的重要應用,超短脈沖激光放大技術目前已成為超短脈沖激光技術研究的熱點之一。它包括啁啾脈沖放大( cpa )和光參量啁啾脈沖放大( opcpa )兩大類。
  4. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色的位置、尺寸、垂直焦單色在不同起飛角下的焦曲率半徑和傾角;討論了第二準直的尺寸和發散,以及使用第二準直造成的強度損失;給出了在不同單色反射面、起飛角、中子波長和第一準直發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  5. That technique uses a magnetic field to hold large volumes of the same isotopes of hydrogen inside a doughnut - shaped vessel, called a tokamak

    磁約變的方法就是利用磁場,將大量氫的同位素維持在環形容(稱為托卡馬克)中。
  6. It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality

    實踐表明,非線性自焦效應是限制icf驅動激光輸出能量及破壞光質量的主要因素之一。
  7. 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激光的發展狀況、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激光的閾值、輸出功率和斜效率的表達式,並簡述了激光的工作原理、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激光的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自焦透鏡耦合小功率ld泵浦nd : yag激光和透鏡組耦合高功率ld泵浦nd : yag激光,對激光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激光腔內插入一隻空液晶盒,觀察到了激光以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光腰半徑時,激光輸出功率的自然指數與泵浦光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,激光位移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  8. 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

    激光誘導擴散是用焦的激光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件( oeics )中光、電兩部分的工藝兼容這一難題。
  9. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光焦斑焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  10. In this paper, a new structure of multi - mode fiber array or parabolic dish concentrator array combination with tapered fiber bundles was proposed to enhance the solar pump power

    通過光纖集熔錐側面耦合構成多模光纖陣列或者陣列的結構,可進一步提高太陽能抽運功率。
  11. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子在相對論速調管放大的調制腔和漂移管中的預群;用粒子波互作用的場方法導出了在輻射腔中預群電子產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  12. Currently they are fabricated by lithographic process, which is very expensive and time consuming since it is a several step process. the laser direct writing system is the kind of tool that exposes the precision patterns by the micro - spot on the photosensitive material

    所謂激光直寫,就是利用焦的激光光,由計算機控制聲光調制的通斷以及平臺的移動,在光刻膠上進行曝光,經過顯影后得到所需要的圖形。
  13. On behalf of pockels effect of electro - optic crystals, or kerr effect, various optical addressed spatial light modulator can be developed to the realize electrically driven spatial light modulation, so as to control such transfer conditions as converging, diverging, defecting and transferring

    利用電光晶體的普克爾斯效應或克爾效應可以研製出各種光尋址空間光調制來進行電驅動下的空間光調制,以此來控制光散、偏轉等傳播狀態。
  14. In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result

    為了克服高阻尼影響,採用了具有聲焦性能的焦換能對不同形狀的該種復合材料工件進行檢測;為了得到直觀的檢測結果,運用了將超聲檢測與微機控制和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術,並得到了工件內部缺陷的橫截面圖。
  15. In high - power solid - state lasers, self - focusing is the major factor for degradation of laser beam and limits the maximum laser power available. as stated in lowrence livermore national laboratory ( llnl ) reports, self - focusing, especially small - scale self - focusing, has always been a significant problem in the total design, engineering development, and safe operation of fusion lasers

    在用於慣性約變( icf )的高功率固體激光驅動中,自焦是使光質量變壞和限制輸出功率的主要因素,正如美國勞侖斯?利弗莫爾國家實驗室( llnl )的報告所述,自焦,特別是小尺度自焦,是變激光總體設計、工程研製和安全運行的重要問題。
  16. 3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens

    3 .針對由柱透鏡和焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題,提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡,對半導體激光輸出光進行準直整形;用球透鏡光纖對準直后的光進行焦,直接實現和光纖耦合,來代替焦透鏡和光纖耦合的環節。
  17. This kind of laser can output two beams of green and violet. after focused, the laser beam is totally meted with the requirements of pld

    國產的四倍頻yag激光價格低、性能穩定、能輸出綠光和紫光,光焦后能達到鍍膜要求。
  18. Not only the uniformity of laser energy on the target surface, but also the high uniformity of laser intensity at any time is needed for icf ( inertial confinement fusion ), so power balance is the important stage of the precision upgraded modification to multi - beams high power laser driver

    慣性約變不僅對輻照靶面的激光能量均衡性而且對任意時刻的功率均衡性都有很高的要求,因此功率平衡是多路激光驅動精密化升級改造的重要環節。
  19. At the present time, the first choice driver of icf is the laser. the basic requirements to the kdp crystal optics of icf solid laser driver are : high accuracy face shape quality ( transmission wave front / 6 pv ), high laser damage threshold value ( 15j / cm2 ), good surface roughness ( 5nm )

    慣性約變固體激光驅動對kdp晶體光學零件的基本要求是:高精度的面形質量(透射波前/ 6pv ) 、高激光損傷閾值( 15j / cm2 ) 、良好的表面粗糙度rms ( 5nm ) 。
  20. With the inherent relation between spotlight mode sar and stripmap mode sar, a method that stripmap sar imaging is performed by multiple - subpatch processing algorithm based on spotlight mode sar is also proposed in chapter 2. in the method, we study how to choose scene size to avoid significant motion through resolution cells and develop the formula of filter bandwidth determined by scene size

    論文第二章還詳細分析了條帶模式與照射模式之間的區別及聯系,提出了一種基於照射sar成像演算法實現條帶數據處理的方法,對成像區大小的選擇作了分析,推導出成像區長度與濾波帶寬應當滿足的關系式,並用實測數據進行了驗證。
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