phase diffraction grating 中文意思是什麼

phase diffraction grating 解釋
相位衍射光柵
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • diffraction : 分解
  • grating : n. 1. 格柵，格子；（船上作地板或透光用的）格子板，格子蓋。2. 【物理學】光柵。adj. 刺耳的，使人煩躁的，討厭的。n. 摩擦，摩擦聲。adv. -ly
  1. The vector diffraction theory analysis of chromatic dispersion characteristics of phase grating

    位相光柵色散特性的矢量衍射理論分析
  2. The main parts are as follows : 1 ) at the base of the fabrication methods, the photosensitivity of optical fiber and the uv laser sources are introduced simply, the diffraction characteristics of phase mask are analyzed to get the distribution of refractive index in fiber grating, referent the paper [ 4 ] ( delivered )

    全文概括如下： 1 ）從常用的製作方法出發，簡單介紹了光纖光敏性和成柵光源，重點分析掩模板的衍射場，從而獲得理想情況下光纖光柵的折射率分佈函數，參考已投論文[ 4 ] 。
  3. The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device

    針對實際光通信應用中對通帶帶寬的需求，本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。
  4. Abstract : with the use of the theory of blazed phase gratings, the color separation phase grating used for icf drivers is designed, which can off - axis separate the fundamental, 2nd and 3rd harmonic waves. theoretically, its diffraction efficiency for 0 " th order at the 3rd harmonic wave is 100 %. experimentally, a color separation grating is made. both its separation angles ( at the 1st and 2nd harmonic waves ) and its diffraction efficiencies for 0 " th order are measured, and some significant results are presented

    文摘:採用相位閃耀光柵原理設計出用於icf驅動器中能離軸分離基頻、二倍頻、三倍頻激光的色分離相位光柵，理論上三倍頻零級衍射效率達到100 ，同時，對該相位光柵進行了實際製作和實驗測量，測出了基頻光和二倍頻光的分離角以及光柵的零級衍射效率，得到了一些有意義的結果。
  5. Difference iterative method was used to estimate numerically director configurations in the nlc - bl037 cell in this paper. the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions. then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation

    文中利用差分迭代法計算了向列相液晶bl037盒中指向矢分佈的計算，根據指向矢的分佈情況得到了向列相液晶的雙折射率分佈和非常光通過液晶盒產生的相位延遲隨電壓變化;並在矩形光柵和正弦相位光柵的基礎上，分析了入射偏振光通過液晶電控光柵所產生的衍射情況。
  6. Introduced a new way for dispersion compensation in transmission using uniform fiber bragg gratings. at the last, the analysis of fiber grating production with a phase mask was carried out. based on diffraction and interference theories, we access the near - field optical intensity distributions produced by a periodic mask and draw the important conclusion that we must put the mask near the fiber as we can in the experiment

    最後論文討論了光纖光柵的製作，分析了掩膜板后干涉光場的分佈，指出了掩膜板製作應該盡量實現零級抑制，且在系統調試中，光纖要盡量靠近掩膜板放置這一重要結論，在此基礎上利用現有實驗設備製作出了光纖光柵，研究了不同曝光條件對光柵製作的影響，並利用實驗分析了光柵的溫度穩定性。
  7. The effects of multi - grating diffraction result in enhancement of the diffraction efficiency in two - beam interference experiments. with self - pumped phase - conjugate external cavity of ce : batio3 for the cw ti : sapphire laser, the frequency shift of the laser output due to the self - scanning effect was observed, which approve the possibility of the self - scanning tunable method

    同時位相共軛外腔還使得激光閡值由未加位相共軛腔時的4 . 7w下降到加位相共軛腔時的3 . 6w ，利用外腔理論對實驗結果進行了理論分析，理論計算結果和實驗結果基本符合。
  8. Abstract : first, this paper deduced the diffraction equation for refractive index phase modulation holographic grating, and pointed out that the diffraction efficiency was mainly influenced by refraction index modulation, and the diffraction efficiency of different levels came from many factors. the volume grating effect affected the diffraction efficiency of transmission hologram

    文摘:首先推出折射率相位調制型全息光柵的衍射方程，由此說明衍射效率主要取決于調制折射率，且各級衍射光的衍射效率不同是多種原因造成的。
  9. Study on the laser diffraction and interference field of a phase grating

    一種位相光柵激光衍射干涉場的研究
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