laser beam diameter 中文意思是什麼

laser beam diameter 解釋
激光束直徑
  • 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...
  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • diameter : n. 1. 直徑。2. （顯微鏡等的）放大倍數。
  1. Effect of beam diameter for high accuracy laser damage testing

    高精度損傷閾值測量中測試口徑效應研究
  2. Testing method of beam diameter of laser radiation

    激光輻射光束直徑測試方法
  3. When various diameter particles are irradiated by a collimated laser light beam, light scattering phenomenon takes place, and the scattering light parameter include the information of the particles size distribution. mie scattering theory is the fundamental principle of the particle size measuring instruments and its computations are complicate

    微型化霧粒粒徑分佈測量儀的測量原理是米氏光散射理論，當不同粒徑的顆粒被平行激光束照射后，發生光散射現象，散射光的參數包含有被測顆粒粒徑的信息，但其數值計算量大且復雜。
  4. Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves

    在課題實驗條件下，模擬計算了直接檢測dial系統的測量靈敏度。在考慮大氣折射率結構常數對系統測量靈敏度影響的基礎上，並對各種系統參數如光束半徑、束散角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算，為合理選擇系統設計參數提供了依據。
  5. The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

    本文對激光立體成形的工藝特性進行了深入系統的研究，發現如果要獲得理想的成形效果，就必須對成形過程中的工藝參數進行精密控制，例如激光功率、激光光斑大小、光束掃描速度、搭接率等；同時為了保證成形件有較高的尺寸精度和表面質量，必須對成形零件的氧化問題進行控制，通過改進側向送粉噴嘴的結構設計，成形件的表面氧化問題得到適度控制。
  6. Cigarettes and filter rods. determination of nominal diameter. method using ? laser beam measuring apparatus

    卷煙和過濾咀.標稱直徑的測定.使用激光束測量儀法
  7. Laser beam can be coupled to y - fiber, plastic fiber and glass fiber which with big diameters ( l - 2mm ) much easier than quasi monomode fiber whose diameter is only several microns. the former fibers can transmit much more beam illumination, but their light fields are not as even as the quasi monomode fiber ' s

    分析了使用傳光面直徑較大的y型光纖、塑料光纖和玻璃光纖與芯徑較小的準單模光纖所具有的不同特點，簡要討論了光纖的光場分佈、耦合、偏振以及光纖的選擇等問題。
  8. In order to obtain the laser beam with better beam quality, less spot diameter and higher power density in laser manufacturing ( lm ), gaussian beam used in lm was transmitted and transformed

    摘要為了獲得光束質量較好、光斑尺寸較小、功率密度較高的、適合激光加工的激光束，對激光加工中的高斯光束進行傳輸與變換。
  9. Methods for determination of physical properties of tobacco and tobacco products - nominal diameter of cigarettes and filter rods using a laser beam measuring apparatus

    煙草和煙草製品物理特性測定方法.第2部分:用激光束測量儀器測定卷煙和濾嘴標準直徑
  10. Cigarettes and filter rods - determination of nominal diameter - method using a laser beam measuring apparatus iso 2971 : 1998

    香煙和過濾嘴.標稱直徑的測定.使用激光束測量儀器的
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