four-level solid laser 中文意思是什麼

four-level solid laser 解釋
四能級固體激光器
  • four : n 1 四人小組;(套在車上的)四匹馬。2 四的記號;(骰子的)四點;(鐘點的)四時;四歲。3 〈pl 〉 ...
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  • solid : adj 1 固體的;實心的,實質的,密實的。2 【數學】立體的,立方的,三維的。3 結實的,堅強的,堅固的...
  • 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...
  1. 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。
  2. A theoretical study of input and output properties of four - level solid laser was performed according to the velocity equation, and the important role of the overlap integral j, was noticed and made a fully usage in optimizing the end - pumping solid state laser parameters such as : rod length > pump position pumping and oscillating beam waist size

    從四能級速率方程出發,理論推導了ld端面泵浦的固體激光器的輸入輸出特性,並指出重疊積分j _ 1對激光器輸出特性的極大影響,從而對其在不同泵浦條件下進行分析並以此得到端面泵浦條件下固體激光器的最優化設計參數的選取方法。
  3. In the second chapter, the operating principle of solid - state laser is analyzed. based on the model of four - level system, the interacting theory between laser field and laser crystal is studied by the rate equation theory, then the characters, such as threshold power, output power, slope efficiency etc., of solid - state laser are deduced

    第二章分析了固體激光器的工作原理,以四能級系統為模型,應用速率方程理論研究了激光場與激光晶體之間相互作用理論,導出了固體激光器的閾值功率、輸出功率和斜效率等特性。
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