wavefront distortion 中文意思是什麼

wavefront distortion 解釋
波前畸變
  • wavefront : 波面
  • distortion : n. 1. 歪扭，扭曲。2. 【電學】（信號、波形等的）失真；【物理學】（透鏡成像產生的）畸變；【醫學】扭轉，變形。3. 竄改，歪曲，曲解。adj. -al
  1. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點，全場準確測量了液晶空間光調制器的位相調制特性，並且利用它的位相調制特性實現了臺階位相板畸變波前的補償，由此證明了液晶空間光調制器可用於控制波前畸變。
  2. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。
  3. Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma

    在此基礎上，採用數值模擬的方法，計算了在幾種典型的等離子體密度分佈下，激光波面的變化和產生的干涉圖樣；並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時，光線在等離子體中的傳播路徑，從中掌握了在不同的等離子體密度和形狀下，進行干涉測量所應估計到的因素。
  4. 3. by using the shack - hartmann wavefront sensor, the thermal distortion of the substrate, the single - layer dielectric thin films with different thickness, and the multilayer dielectric thin films with different multilayer thin films ( ybf3 / znse ) irradiated by co2 laser were studied experimentally. 4

    3 .利用夏克一哈特曼波前傳感器，對基底樣品以及不同厚度的介質單層膜樣品和不同膜系的ybf3 / znse介質多層膜樣品在c02激光輻照下的熱畸變進行了實驗研究。
  5. Test method for wavefront distortion of laser rods

    激光棒波前畸變的測量方法
  6. - 2. in order to accomplish the extraction measuremellt of distorted wavefront on specific plane of a laser beam, a crsi ( cyc1ic radial shearing interferometer ) based on relay imaging technique was built. the experiinental result on this crsi shows it can used to test the spatial mid and low frequency wavefront distortion

    二、為了實現激光光束在確定平面上的波前畸變的準確檢測，採用中繼成像技術建立了一套基於空間相位調制的環路徑向剪切干涉波前傳感硬體系統，實驗證明，它可用於中低頻段波前畸變的檢測。
  7. The control of the spatial mid frequency wavefront distortion was achieved based on our cri wavefront sensing and lctv wavefront correcting system. the results of our research show that crs interferometer can be used to diagnosing the mid and low frequency wavefront distortion of a laser beam and lcslm can be used to availably controlled it

    通過以上研究，說明我們建立的環路徑向剪切干涉儀可以用於icf激光驅動器的中低段波前畸變的檢測，並且液晶空間光調制器可用於它的前級中存在的中頻段波前畸變的校正。
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