矩形光柵 的英文怎麼說
中文拼音 [jǔxíngguāngzhà]
矩形光柵
英文
rectangular raster-
The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated
討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與矩形光柵衍射級次數目間的關系。The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film
本文設計的亞微米光柵型導光板為矩形狀的，導光板上表面的導光單元是由三套出射光主波長分別是紅光632 . 8nm ，綠光521nm ，藍光441 . 6nm的亞微米光柵組成，光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列，為了提高光能利用率，除入光面和出光面外，導光板其餘面都鍍上金屬膜。The diffraction efficiency changing with grating parameters, especially for the situation that gaussian beams diffracted by finite grating, is numerically studied. 3
對單色平面波和有限尺寸高斯光束入射矩形光柵時的衍射效率與光柵柵距、槽深、開口比和入射角等參數的關系進行了模擬計算。The rectangle plastic gratings are widely used for multiplexing / demultiplexing in the wdm system. the most simple and feasible means is to adopt the mould pressing technology
塑料矩形光柵可以在波分復用（ wdm ）系統中作為復用/解復用器，製作塑料矩形光柵最簡單可行的方法是採用模壓技術。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。The fresnel and franhufer diffraction patterns, of regular shapes screen such as slits, rectangular apertures, circle apertures, discs, triangle apertures, ronchi gratings, and some irregular shapes screen, are observed in the different propagation distance. this clearly gives the relation and difference of the two diffraction patterns
具體分析了規則形狀如單縫、矩孔、圓孔、圓盤、三角孔、黑白光柵及一些不規則形狀等孔徑的菲涅耳衍射和夫瑯禾費衍射圖樣強度分佈，為深入理解菲涅耳衍射和夫瑯禾費衍射及其內在聯系與區別提供了理論依據。2. the diffraction characteristics of rectangular grating are studied deeply by vector diffraction theory
2 .用矢量衍射理論對矩形光柵的衍射特性進行了分析。Through research discovery the surface quality to be good, the performance fine rectangle plastic diffraction gratings
通過測試發現，採用這種方法可以復制出表面質量良好、性能優良的塑料矩形光柵。The fourth chapter introduced the experiment of fused silica grating template mould pressing to duplicate the rectangle plastic gratings
本論文第四章對熔融石英光柵模板模壓復制塑料矩形光柵的實驗進行了介紹。Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle, azimuth and grating parameters are variant
摘要從嚴格耦合波衍射理論出發，在不同入射角、方位角和光柵參數下的情況，計算了矩形亞波長光柵零級反射效率隨入射光波長的變化。Therefore, fiber gratings have numerous applications in almost all the realms of optical fiber, especially in wavelength - division multiplexing ( wdm ) all - optical networks. this dissertation presents a detailed study of the following three types of fiber gratings : fiber bragg grating fabricated with cladding mode suppression fiber, linearly chirped moir fiber grating, and long - period fiber grating with rectangular index modulation
本文以目前在wdm全光網中有良好應用前景的三種類型的光纖光柵（用包層模抑制光纖製作的光纖布拉格光柵、線性啁啾moir光纖光柵、矩形折射率調制型長周期光纖光柵）的理論和設計為研究內容。Computer simulation of real time variational beam feature of double deck rectangle phase grating
計算機模擬雙層矩形位相光柵的實時變分束特徵分享友人