激光反回光束 的英文怎麼說

中文拼音 [guāngfǎnhuíguāngshù]
激光反回光束 英文
return laser beam
  • : 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 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 回構詞成分。
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • 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. On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

    在基礎理論方面研究了(特別是超短脈沖)超聲的勵機理,探討了調制技術以提高系統信噪比,闡述了泵探針技術及相關實驗設置;在系統設計上,以超聲為基本原理,以泵探針技術為系統設計方案完成了mems基片厚度測量系統的設計;在數據分析方法上,利用聲致射率變化的一般規律對測得的射率曲線進行分析,確定超聲波在薄膜兩界面間來傳播的時間,以計算薄膜的厚度。
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