optical diffraction grating 中文意思是什麼

optical diffraction grating 解釋
光學衍射光柵
  • optical : adj 眼的；視覺的；視力的；幫助視力的；光學（上）的。 optical activity 【物理學】旋光性。 an optic...
  • 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 main works and contributions achieved in this dissertation are concluded as follows : 1. based on the scalar diffraction theory, the mathematical model of optical configuration of transmissive grating interferometer is established. it indicats that moir interference fringes is affected by many parameters, such as grating pitch, light wavelength, light beam size and incidence angle, etc. the variation that the width, intensity, orientation and contrast of moir interference fringes along with every parameter is numerically analyzed

    主要的研究內容和所取得的成果可歸納如下: 1 .基於標量衍射理論，建立了透射式光柵干涉儀光路的數學模型，分析了透射式光柵干涉儀的莫爾干涉條紋與光柵柵距、光柵開口比、光波波長、光斑尺寸、光束入射角等多個參數的關系。
  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. In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution

    為了詳細研究試件的熱變形特徵以及殘余應力的影響作用，本文在波前干涉理論的基礎上，設計了一新型三維光學測試系統，該系統的平面位移測試基於雲紋干涉方法，但採用與普通雲紋干涉不同的光路系統，利用試件光柵和平面反射鏡組形成的兩次衍射，使平面位移干涉條紋倍增，測量靈敏度是普通雲紋干涉的2倍，系統的離面位移場測試採用泰曼格林干涉光路。
  4. Furthermore, the polarization - dependent diffraction characteristics of an ultra - density optical disk ( i. e. a two dimensional periodic metallic grating ) are studied, with specific emphasis on the polarization effect on major signals

    同時，研究了超高密度光盤光學讀取的偏振特性，對主要信號的偏振敏感度進行了模擬，並分析了其產生偏振相關性原因。
  5. But the implementation of traditional wfcs in an optical system is difficulty, so the applications is limited. in 2000, a novel wfcs comprising a distorted diffraction grating ( dgwfs ), simple optics and a single camera has been described by blanchard

    2000年， blanchard等提出了一種新型的波前曲率傳感器，它利用二次扭曲光柵和短焦距透鏡密接使用，來實現波前曲率測量。
  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 patent covers the use of a computer - designed diffraction grating, a type of hologram that takes a single beam and breaks it up into an array of beams, each one of which forms an optical trap for particles of micron or nanometer dimensions

    此專利涵蓋了電腦設計的繞射光柵，以及可將單一光束分散成陣列光束的雷射全像術，其中每道光束都會形成光阱，可捕捉微米或奈米大小的粒子。
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