light diffraction 中文意思是什麼
light diffraction
解釋
光衍射- light : n 1 光，光線；光明，亮光 （opp darkness） Hang the picture in a good light 把那幅畫掛在能看清楚的...
- diffraction : 分解
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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。 -
When polychromatic light reflects from or passes through a diffraction grating it is dispersed into many rays, each of a single wavelength or color
當多色光從衍射光柵反射或穿過衍射光柵時，就會分成多種發射光線，每一種都有各自的波長或顏色。 -
The as - grown crystals were characterization by cutting and directional, x - ray diffraction, high resolution ohmmeter, ir transmission spectroscopy, visible light absorption spectroscopy, scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ). the ir transmittance of czt single crystals grown with cd - riched is about 53 %, while 23 % with no cd riched
採用解理實驗、 x射線衍射、電學性能測試、紅外透過譜測試、可見光吸收譜測試、 sem蝕坑分析、探測器的試制等分析測試方法，並首次採用正電子湮沒壽命譜分析方法來研究czt單晶體的空位缺陷，綜合表徵了所生長的晶體的質量和性能。 -
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 thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。 -
Experimental basis of quantum physics : photoelectric effect, compton scattering, photons, franck - hertz experiment, the bohr atom, electron diffraction, de broglie waves, and wave - particle duality of matter and light
量子物理的實驗基礎：光電效應，康普頓散射，光子，法蘭克-赫茲實驗，波爾原子模型，電子衍射，德布羅意波以及物質與光的波粒二項性。 -
A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致 -
Nature of light, geometrical optics, and gaussian approximation, wave optics, interference of light, coherence, polarization of light, diffraction of light
光的性質、波動光學、幾何光學及高斯近似、光的干涉、相干性、光的偏振、光的繞射、一些重要的應用實例。 -
In general, the thesis covers the following aspects : first, in accordance with the property of variable tuning optical attenuator ( voa ), which is analyzed and discovered through diffraction theory, selected block plate and made attenuator, and achieved satisfactory effect by experiment in light transportation circuit
針對可調型機械擋光衰減器的擋光特點，從衍射理論的角度分析和發現該器件的衰減特徵，並根據該特徵選擇擋光片，製作了衰減器。在傳輸光路上試用，獲得了較好的效果。 -
According to the mean size measurement based on diffraction, we put forward a new method by calculating the ratio of two scattering light intensity at different scattering angle, which can solve the problem caused by the diffraction method
文中根據衍射法求取平均粒度的方法，提出了用兩個不同散射角的散射光強比求取平均粒度的方法，解決了衍射法測平均粒度的缺點。 -
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。 -
In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid position, the general expression of focal spot centroid position directly depending on the complex amplitude of near field is derived
摘要為分析振幅和相位發生畸變情況下光束焦斑質心位置所受的影響，以光波標量衍射理論中的夫瑯和費衍射公式為基礎，根據光斑強度分佈一階矩質心位置的定義，推導了直接依賴于光束近場復振幅分佈的焦斑質心位置的一般表達式。 -
Diffraction is the bending of light around an obstacle
當光遇到障礙物時，光偏離直線傳播的現象。 -
Light straight - line propagation and imagery quality from light diffraction
從光的衍射看光的直線傳播及像質問題 -
This paper introduces a new method to measure the intensity distribution of single seam diffraction by replacing the silicon photocell and light activated diode with light activated triode
摘要利用光敏三極體代替硅光電池和光敏二極體來測試單縫和雙縫衍射的光強分佈。 -
Diffraction, too, occurs in light waves.
衍射也是由光波產生。 -
The basis is that when incident polarized light gets through a liquid - crystal box, it ’ s first diffraction angle and optical intensity are controlled by periodic electric field
其原理為:入射偏振光通過空間周期電場作用下的液晶盒，一級衍射角和衍射光強受到電壓的調制。 -
In addition, this paper discusses in details the special effect of the baffle and the vane structure on the stray light suppression, and effects of different stops on restraining diffraction and scatter stray light
同時，文章具體研究了遮光罩和葉片結構在雜光抑制中特殊作用，以及不同光闌對系統散射和衍射雜光的抑制作用。 -
Ultrasonic light diffraction
超聲致光衍射 -
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。
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