laser aperture 中文意思是什麼

laser aperture 解釋
激光輻射孔徑
  • laser : n 鐳射激光,受激發射光,激光;萊塞;激光器,光激射器 ( = light amplification by stimulated emis...
  • aperture : n. 1. 孔,隙縫。2. (照相機的)光圈;孔徑,口徑。
  1. The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power

    當脈沖聚焦點相對于固體浸沒透鏡底面離焦時,對系統的有效數值孔徑進行了計算,結果表明採用固體浸沒透鏡離焦的方式進行記錄,系統的有效數值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍,其數值孔徑的理論極限值為存儲介質的折射率。
  2. It was based on the principle of laser confocal microscope. and the two - dimensional scanning configuration was adopted by the optical scanner and the telecentric linear imaging objective lens of large numerical aperture to realize x - direction ' s scanning, and the conventional mechanical method using linear driver and linear guide track to y - direction ' s. the experiment results indicate that the device can run smoothly and rapidly, be operated easily and detect fluorescence effectively

    儀器基於激光共焦顯微鏡的理論,採用振鏡和遠心線性成像物鏡實現x向掃描;精密導軌和步進電機實現y向掃描的檢測儀,經驗證,掃描儀具有快速、操作簡單、檢測晶元能力良好等特徵,有望彌補市場的空缺。
  3. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅動器的工程設計具有實用價值。
  4. 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。
  5. 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 )的微腔半導體激光器( 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孔徑層的激光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、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、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,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  6. And we simulate the thing by different spatial frequency hartmann - shack wavefront sensor which is used in detecting the far field of laser beam, and we get the result that if magnitude of wave aberration is lower the dynamic range of sub - aperture of wavefront sensor, the more the spatial frequency of hartmann - shack wavefront sensor is, the more the accuracy of hartmann - shack wavefront sensor in detecting high frequency aberration is

    並且波前像差在hartmann - shack波前傳感器子孔徑動態范圍之內,空間解析度高的hartmann - shack波前傳感器對高階像差波前探測時,其光束質量診斷精度高於空間解析度低的hartmann - shack波前傳感器的光束質量診斷精度。
  7. In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam

    以前的表面熱透鏡裝置中,多使用高斯光束作為激勵光,但由於高功率激光器一般為多模輸出,要獲得嚴格的基模高斯光束比較困難,而平頂光束可以通過在激光器前加一定大小的光闌實現,降低了對激光光束質量的要求,更有利於實際的測量。
  8. 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

    光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,可在光纖端面形成一個微透鏡,增大光纖的數值孔徑,對入射激光進行橢圓度校正,從而提高耦合效率。
  9. 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年研製成功的微孔徑激光檢測裝置,是一臺光機電算結合的精密測試儀器,處于國內領先水平。
  10. Here, aba - induced h2o2 generation and their roles in inducing stomatal closing were investigated by epidermal strips bioassay, laser scanning confocal microscopy and patch clamp with ios5 and its wild type plant as materials. there were no clear differences between wild type and ios5 in the density, shapes and aperture of their stomata

    本文以los5及其相應野生型為材料,採用表皮條生物分析、激光掃描共聚焦顯微技術及膜片鉗技術研究了nacl脅迫條件下, aba誘導保衛細胞內h _ 2o _ 2的產生及二者在誘導氣孔關閉中的作用。
  11. 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:孔徑大,損耗低,系統設計靈活;由於薄膜分光鏡沒有尺寸限制,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、激鋸木、光電顯示和光學存儲等領域。
  12. Once again, rival technology for manned aircraft stole the thunder : stealthy designs to reduce the radar signature, precision weapons such as cruise missiles and laser - guided munitions and new sensors such as synthetic - aperture radar that could look through clouds

    對手的人工駕駛飛機的科技再一次先聲奪人:為減少雷達信號而進行的秘密設計、諸如巡航導彈與激光導向的軍需品之類的精密性武器,以及一些新型傳感器,諸如可透視雲層的合成光圈的雷達。
  13. Finally, laser cutting is a serial process, so time - to - manufacture increases as aperture count does, impacting the stencil ' s final cost

    最後,激光切割是一系列過程,孔數增加,製作的時間增加,影響鋼網最終成本。
  14. Measurement of phase difference caused by plane mirror for laser launched and received in common aperture

    共孔徑偏振耦合分光系統中反射鏡造成的相位延遲差的測量
  15. The method for third harmonic generation of large - aperture high - power solid laser is described which is the second nonlinear effect of two cascade crystals in this paper

    摘要敘述了大口徑高功率固體激光器,利用兩塊級聯晶體的二階非線性效應,對激光輸出進行諧波轉換,實現三次諧波輸出的方法。
  16. 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

    採用高斯光束標準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的光路匹配問題,並用he - ne激光束檢測了七孔徑和多孔徑透鏡陣列的工作性能。
  17. We using a he - ne laser as light source, an optical tweezers with one optical trap was set up. the laser light and the observation light normally incident the objective back aperture. we can always observe and manipulate dielectric spheres at the top layers

    在儀器研製方面,我們將he - ne激光器與顯微鏡系統耦合構建了一套顯微鏡物鏡正置光鑷系統,作為光鑷光的激光從物鏡上方豎直進入物鏡目瞳,這樣光鑷光位於樣品池的上方。
  18. Phase compensation with rotating quarter waveplate in polarizing beam splitting scheme of laser launched and received in common aperture

    共孔徑偏振耦合分光的旋轉四分之一波片相位補償技術
  19. 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

    本文從部分相干光的傳輸理論出發,以模擬實際多模激光的一類典型部分相干光? ?高斯-謝爾模型( gsm )光束為主要研究對象,對矢量部分相干光、部分相干光通過光學元件的光譜變化、被光闌衍射的部分空間相干光的光譜開關和被光闌衍射的完全空間相干光的光譜異常等現象進行了深入研究。
  20. 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激光盲埋孔板生產能力,可大批量加工線寬線距3mil 0 . 075mm ,孔徑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。
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