laser focusing system 中文意思是什麼

laser focusing system 解釋
激光聚焦系統
  • 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...
  • focusing : 調整焦距
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. In this high power laser system, nonlinear self - focusing effect especially the small - scale self - focusing is the main limiting factor

    在這種高功率激光系統中，非線性自聚焦效應是其主要的限制因素，其中尤其以小尺度自聚焦效應最為嚴重。
  2. Research on focusing system characteristics and defocusing application in laser direct writer

    激光直寫調焦系統特性及離焦應用研究
  3. So, it is clear that the beam quality and focusing system determine the focal beam properties together, k fand fnumber describe them separately. laser beam quality influences on beam

    這四個參數分別反映了光束本身的特性和聚焦系統特性，光束特性用值描述，聚焦系統特性用焦數描述。
  4. Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller

    本文首先介紹了光學三角法測量原理，並對線陣ccd的工作原理進行了研究，以此為基礎採用氦氖激光器為光源，設計了光學聚焦及成像系統，對線陣ccd外圍電路的設計進行了理論設計和實驗研究，最後設計了以ccd為光電轉換元件，以微處理器為控制核心的非接觸式厚度測量儀及其系統。
  5. The servo system is responsible for the focusing and tracking of the laser beam on the cd

    伺服系統負責激光束在光盤上的聚焦和軌道跟蹤。
  6. Presently, the laser pulse from the high power ultrashort laser system is several femtoseconds in duration, tw ( or pw ) level in peak power, 1020 w / cm2 ( or 1021 w / cm2 ) in focusing power density, according electric field is much stronger than coulomb field in atoms

    目前，高功率超短脈沖激光放大系統輸出的激光，脈寬達到幾個飛秒，峰值功率達到太瓦甚至拍瓦量級，聚焦功率密度達10 ~ 20w cm ~ 2 ，甚至1021w cm2 ，相應的電場比原子內庫侖場強得多。
  7. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中，在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響；然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗，通過分析它們對振蕩激光腔模尺寸的影響，得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求，為高功率連續單頻nd ： yvo _ 4激光器的優化設計提供了理論依據。
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