波的衍射 的英文怎麼說
中文拼音 [bōdeyǎnshè]
波的衍射
英文
diffraction of wave-
Alternatively, we can image that the incoming wave is diffracted by the object and the resulting diffracted wave is then diffracted again by the objective lens.
換一種方式,我們可以這樣想象:入射波被物體反射,所得到的衍射波再一次受到物鏡的衍射。The viewpoint of photon diffraction can help us understand the nature of light diffraction and the evanescent waves is necessary for the uncertainty principle
光子衍射的觀點可以幫助了解光的衍射本質,衰減波是不確定性原理的要求。This dissertation is about the rigorous vector analysis and design of subwavelength diffractive microlenes
本論文圍繞亞波長衍射微透鏡的嚴格矢量分析與設計展開。The bragg diffraction efficiency of gows in bismuth - doped yig film is caculated by considering the edge cut - off effect. the obtained theoretical curve is basically agreement with the experimental results. it is shown that the diffraction performance for mo bragg cells can be greatly increased by using an appropriately nonuniform bias field
2 .考慮到邊緣截止效應,論文中計算了靜磁正向體波對導波光的衍射效率,理論結果與實驗符合;從而表明,與均勻場情形相比,適當不均勻場可以大大提高磁光bragg器件的衍射效率。Where the diffracted wavelengths are 1 / 2 wave out of step for each of these colors, the waves destructively interfere
當這些顏色的衍射波的波長相差1 / 2波長時會產生相消的干涉。And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings
由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合,作為應用,本文介紹了完備性在三個情況下的應用:平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。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 blue wavelengths are diffracted at a lesser angle than the green wavelengths, which are at a lesser angle than the red wavelengths
藍色波長的衍射角度要小於綠色波長的衍射角,它們均比紅色光的衍射角度小。This method has some characters : during recording of the transmissive holograms the holographic grating placed in front of the holographic plate closefittingly is used as a spectroscope. the transmissive wave is served as the object wave and the diffraction wave through the holographic grating or the deflective reflect wave produced by the silicon slice is served as the reference wave, therefore the hologram is named as self - reference image hologram. the recording results are the off - axis holograms and the twin images can be separated successfully
在記錄透射型全息圖時,將全息光柵緊貼置於記錄干板之前,而光柵起到了分光的作用,直透波作為全息圖的物光波,參考光是物光通過光柵后產生的衍射波;記錄反射型全息圖時將矽片置於記錄干板之後,利用反射矽片產生離軸參考光,因此系統僅需一束照明光束,參考光來自物光本身,因此稱之為自參考像全息圖。In the second chapter, during the study of compound x - ray refractive lenses, diffraction function of compound lens is derived in the light of refraction and absorption effect and the design theory of x - ray is deduced using diffraction theory in connection with the characteristic of x - ray band. the structure design of this device and micro - machined technique are also discussed
在第二章x射線聚焦組合透鏡的研究中,針對x射線波段的特性,綜合考慮折射和吸收效應得出組合透鏡的衍射屏函數,利用衍射理論推導出x射線聚焦組合透鏡的設計理論並進行結構設計與微細加工製作技術研究。The feasibility of the multiple photorefractive volume applying to wdm system is demonstrated by analyzing the diffractive properties of the eight holographic gratings superimposed in the linbo3 : fe crystal
通過對10 10 10mm ~ 3塊狀linbo _ 3 : fe晶體中用角度復用技術寫入的8重體光柵的衍射特性分析,證實了光寫入多重體光柵應用於波分復用系統的可行性。We employ the rigorous vector coupled - wave theory to analyze the electromagnetic diffraction nature of two - dimensional columned grid gratings
我們使用了嚴格的矢量衍射理論? ?耦合波理論分析圓柱形網格光柵的衍射特性。2. the similarity between the phenomenon of light diffraction and the wavelet transformation
二、光的衍射現象與小波變換的本質相似性。In fact, hartmann - shack wavefront sensor is affected by the noise of ccd and the constructed error too. in our compare, a bridge is setup, which is the original wavefront composed by zernike polynomial, we transform the original wavefront into far field. then we can compare the accuracy of hartmann - shack wavefront sensor with the accuracy of the system of far field diagnosis in detecting the farfield, using diffraction limit and encircle energy
我們在進行兩者相互比較的過程中,搭建了一個比較的橋梁,即由zernike多項式組成的各種原始像差波前,將它也變換到遠場作為原始理想遠場光斑,然後,以它的衍射極限和環圍能量曲線作為評價標準,比較hartmann - shack波前傳感器和遠場測量系統在光束質量診斷中的探測精度。The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction
輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在陣列波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。Because the feature size of subwavelength diffractive microlens is smaller than the incident wavelength, scalar diffractive theory cannot be used to the analysis. it also precludes rigorous vector coupled - wave theory for its finite and aperiod structure
由於亞波長衍射微透鏡的特徵尺寸小於入射波長,因此不能採用標量衍射理論來分析,又由於它是有限非周期的結構,嚴格的耦合波方法對它也不適用。At the back focal plane of the objective, the blue wavelengths from each slit interfere constructively to produce the blue area of the diffracted image of each spectrum or order ; similarly for the red and green areas ( figure 4 ( a ) )
在物鏡的后焦面,從各個窄縫發出的藍色波長光產生增強干涉而產生各級的衍射圖像的藍色區域,紅色波長和綠色波長也一樣(圖4 ( a ) ) 。In this thesis, we present the law and method to generate structured illumination based on fresnel diffraction. by applying rsd theory, we analyzed the spatial distribution of fresnel diffraction field of sinusoidal grating and its available application in 3d sensing
本文詳細地研究了基於菲涅耳衍射的結構照明的原理和方法,利用角譜理論(平面波衍射理論)分析了正弦光柵的衍射光場的空間分佈及其在三維傳感中應用的可能性。Diffraction of wave
波的衍射The diffraction properties of te and tm polarizations for a beam - sampling g rating are numerically analyzed with this program
利用編寫的程序計算並分析了一種用於激光取樣光柵te波和tm波的衍射特性。分享友人