激光孔徑 的英文怎麼說

中文拼音 [guāngkǒngjìng]
激光孔徑 英文
laser aperture
  • : 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名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • 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; ...
  1. Study on the frequency stability problem of sal

    合成雷達頻率穩定性問題研究
  2. 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束的中心斑尺寸,測量了不同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中的強,實驗結果顯示當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,符合無衍射束的特性;經過聚焦后,呈現三維分佈中空的束bottlebeam ,實驗結果與理論分析基本吻合。
  3. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化層的器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨器內外半、 bragg反射鏡層折射率、周期數以及氧化層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與器結構隔開,分別對這兩種情況下的結果進行了討論。
  4. Laser drilling is one of the most important and wide - used method of the recent laser processing. in the recent years, with the raise of the microhole processing quality, all kinds of traditional microhole processing method ca n ' t meet the need of the depth - diameter ratio. as laser drilling can do it, it is already the most attentive processing method. this paper introduces all kinds of drilling method, advantage and disadvantage, the superiority of the laser drilling and the laser drilling system

    是目前小加工中不可缺少而且應用廣泛的加工方法之一。近年來,隨著對微加工質量要求的提高,傳統的微加工方法已不能滿足微加工深比要求。而加工可以滿足許多加工的特殊要求,因此它已成為小加工中最為人們所重視的加工方法。
  5. The relationships between the laser performance index, such as laser power densities, pulse energy and energy densities, and the diameter of holes have been set up, and a experience formula between the energy density and the diameter of holes has been established by the regression method, based on the experiment results

    在此基礎上,本文對微噴帶機的性能進行了試驗研究,得到了功率密度、脈沖能量和能量密度對打的影響關系。通過數據回歸的方法,建立了能量密度與之間的半經驗公式。
  6. ( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal

    ( 3 )針對採用大功率直接燒結鎳基高溫合金成形金屬零件存在的問題,如較大的殘余應力,製件中存在著微裂紋、微洞等缺陷,初步提出掃描路的規劃,並採用幾種不同的掃描方式進行燒結試驗,發現採用短邊掃描路和同向掃描能夠獲得更加細小和分佈均勻的組織結構,採用短邊同向路制備的試樣其顯微硬度最高,而採用變向掃描(垂直)路制備的試樣緻密性最好。
  7. The outline of fiber ' s tip has very great influence on the coupling efficiency. it is reported, using the way of grinding and melting to form a microlens on the fiber ' s tip, can increase fiber ' s numerical aperture, reduce the ellipticity of laser, and improve coupling efficiency

    纖端面的形狀對耦合效率有很大的影響,有文獻報道,採用拋磨燒熔等加工方法,可在纖端面形成一個微透鏡,增大纖的數值,對入射進行橢圓度校正,從而提高耦合效率。
  8. The micro - aperture - diameter laser measurement device developed in 1989 is a precision instrument combining opticator, mechanism, electro - circuit and micro - computer. it is the most advanced in china

    1989年研製成功的微檢測裝置,是一臺機電算結合的精密測試儀器,處于國內領先水平。
  9. Simultaneously, the einstein shift of spectra could be seen and the intensity of fluorescence at 350nm was reinforced with the increment of manganese oxide nanoclusters in the pores. 4. the preparation of manganese oxide mesophase via hydrothermal treatment was studied here simply

    此外對不同mcm - 41進行納米團簇裝載試驗表明:隨著道中氧化錳裝載量的增加,吸收譜吸收邊帶發生紅移, 350nm發熒強度增強。
  10. Polarizing beam splitter prism ( pbs ) is based on the interference inside thin film and the law of brewster. the merit is that it has big aperture, low dissipation and flexible design. without size limit, with low price and flexible design according to various design and manufacture method, so it is widely used in optical device, laser technology, optical display and optical store

    其優點是:大,損耗低,系統設計靈活;由於薄膜分鏡沒有尺寸限制,同時可以以低價格生產出大尺寸器件,以及它們的結構根據設計和製作是多樣的,因此被廣泛應用曲阜師范大學研究生畢業論文稿紙第2頁于先學儀器、鋸木、電顯示和學存儲等領域。
  11. At last, the results of the simulation is analyzed. when the laser beams propagate through atmosphere turbulence, the interference fringes have little distortion as the transmitter apertures become wider

    最後,分析了上述模擬結果,並得出以下結論:大氣湍流存在的情況下,發射間距增大時,通過水平大氣湍流形成的干涉條紋質量會變差。
  12. Applying the standard gaussian beam abcd matrix propagation theory, the parameters selection and the corresponding performances of a laser - guide - star emission system are presented theoretically. in received system, the light route matching problems of the micro - lens array and ccd, collimating lens are considered. the performances of seven - aperture and multi - aperture lens arrays are measured by he - ne laser beam

    採用高斯束標準abcd傳輸矩陣理論設計了發射系統參數,討論了不同參數的微透鏡陣列和準直透鏡、 ccd的路匹配問題,並用he - ne束檢測了七和多透鏡陣列的工作性能。
  13. Pcb manufacturer cooperating with our company has founded the factory for nearly 20 years, since our company becomes and keeps good cooperation with our company immediately, this factory possesses more than 20 layers of many plywood, multistage laser and buries the hole board production capacity blindly, very in enormous quantities processing line wide line from 3 mil 0. 075mm, high - accuracy pcb board of aperture 4 mil 0. 10mm, produce, can reach more than plywood more than 50000 square meters per month. our company many person responsible for, coordinate pcb engineers and technicians to produce matters engaged in pcb production management for many years, can deal with various project problems in pcb production process easily, strictly control the order assigning, finished pcb board of the craft to confirm and close, avoid customer s unnecessary cost input and loss effectively

    與我司合作之pcb生產廠家建廠已近20年,自我司成立即與我司保持良好合作關系,該廠具備二十層以上多層板多級盲埋板生產能力,可大批量加工線寬線距3mil 0 . 075mm ,4mil 0 . 10mm的高精密pcb板,產能達每月多層板50000平米以上。我司多名負責協調pcb生產事宜的工程技術人員都曾從事pcb生產管理多年,可輕松處理pcb生產過程中各種工程問題,並嚴把工藝指令下達成品pcb板驗收關,有效避免客戶不必要的成本投入和損失。
  14. Based on the theories of optical pressure forces, this paper deduce the formula along z axial, analyze the effects of microscope objective na laser, profileon trapping force

    本文從作用力的原理出發,推導出沿z軸方向的作用力的公式,分析了物鏡數值束模式對作用力的影響。
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