optical diffraction 中文意思是什麼

optical diffraction 解釋
光衍射
  • 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
  1. In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on

    計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時,本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件,文中主要是參考改進的gs ( gerchberg - saxton )演算法;通過計算機模擬,得到了計算機光學元件表面的相位浮雕圖。
  2. The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement

    本文設計了燒結ndfeb的氫爆制粉設備,對設備調試以及使用過程中出現的主要問題進行了簡要的說明,提出了一系列解決方法;闡述了吸氫、脫氫的基本原理;研究了氫氣壓力、通氫時間、氫爆溫度等基本工藝參數對磁性能的影響;利用金相顯微鏡和掃描電子顯微鏡, x射線衍射分析,紅外線測氧分析及綜合磁性測量儀等手段分析了材料的組織結構和磁性能。
  3. The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy ( fesem ), energy - dispersive spectroscopy ( eds ) and x - ray diffraction ( xrd ) in and after the plating

    用光學顯微鏡、場發射掃描電子顯微鏡、能譜儀和x射線衍射儀對其進行了分析表徵。
  4. The diffraction formula and statistical law of optical fields are used to get the cross - correlation function of intensities of laser speckles of the moved diffuse object

    該方法利用光傳播的菲涅爾衍射公式和光場的統計規律,給出散斑場光強在散射體位移前後的高斯光束相關函數的表達式。
  5. Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic optical components, especially in fabrication procedure of dichromated gelatin film and in experimental technique to form a high diffraction efficiency using different angular exposure method

    為了產生優質的聚焦能力與效率,本研究採用目前具有最高繞射效率( 80 ~ 90 % )的重鉻酸明膠材料作為感光劑,除了自行調制藥劑比例成分,並依嚴格的製作步製成重鉻酸明膠全像片外,並採用不同角度重覆曝光方式改良干涉式波帶板無法自動追蹤的缺點,經過多次試驗與改進,藉以形成具備高繞射效率和自動追蹤功能的全像光學波帶板。
  6. Besides the scalar diffraction theory, the simulation method of beam propagation method, which is extensively used in the simulation of integrated optical devices, is also discussed though no successful result of calculation with bpm is given

    本文給出了平場輸入和輸出edg的設計方法,並利用標量衍射理論對設計的結果進行模擬,驗證了平場輸出edg具有很好的分波效果。
  7. 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。
  8. 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。
  9. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備,介紹了燒結ndfeb制備工藝和發展,在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響,並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段,將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。
  10. The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion

    摘要人眼作為一種光學器官,存在著一些光學缺陷,從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。
  11. 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。
  12. 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 ] 。
  13. Study on the optical properties of transparent epoxy / clay nanocomposites a new type transparent epoxy based nanocomposites has been prepared by the reaction of alkylammonium exchanged montmorillonite ( amt ) with diglycidyl ether of bisphenol a ( dgeba ) and triethylamine as the curing agent. the morphology of amt in the epoxy matrix was characterized with x - ray diffraction ( xrd ), scanning electron microscopy ( sem ) and transmission electron microscopy ( tem )

    光學透明環氧樹脂粘土納米復合材料光學性能採用十八烷基伯胺鹽、十六烷基三甲基溴化胺處理na基蒙脫土製備出兩種不同的有機土,以三乙胺為固化劑,有機土與雙酚a型環氧樹脂熔融插層聚合后制備出剝離型和插層型兩種結構的環氧樹脂粘土納米復合材料。
  14. ( 3 ) based on the theory of linear diffraction, the linear propagation of obscuration is analyzed through equivalent diffraction distances, fresnel parameter, and obscuration ’ s area percent by the optical propagation software

    用中國工程物理研究院研發的光傳輸軟體數值模擬驗證了散射點的衍射規律。三、從散射點線性理論基礎上分析散射點的傳輸規律。
  15. ( 2 ) based on the theory of diffraction, we push over the fraunhofer and fresnel diffraction of obscuration. moreover, the distribution of complex amplitude is given, and the rule is validated by the optical propagation software researched by caep

    二、根據單縫衍射理論推導散射點的夫瑯和費和菲涅耳衍射規律,分別給出了散射點的夫瑯和費和菲涅耳衍射的復振幅分佈情況。
  16. Such conclusion is given : shorten the fresnel shu, shorten the obscuration ’ s area percent and shorten the equivalent diffraction distances will improve the optical quality. ( 4 ) the nonlinear paraxial equation is understood to analyze the n slabs ’ hot - image rule

    得出在高功率固體激光裝置中應縮小散射點的菲涅耳數和散射面積比,控制散射點的等效衍射距離,使散射點接近等效衍射距離為零,即像面的位置。
  17. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。
  18. Current researches, applications, preparation and structure of si3n4 are summarized in this paper. a new conclusion is drawn that silicon wafer can react with nitrogen at the temperature higher than 1100 and in super - pure nitrogen by direct - nitridation of silicon at the temperature from 800 to 1200. the prepared silicon nitride samples are tested by xps ( x - ray photoelectron spectroscopy ), sem ( scanning electron microscopy ), optical microscopy, xrd ( x - ray diffraction ) and edx ( energy dispersive x - ray analysis )

    通過矽片在800到1200各個溫度和各種氮氣氣氛下的氮化處理的實驗結果,報道了不同與其他研究者的氮化條件,矽片在氮氣保護的熱處理中的氮化條件為:高於1100的溫度和高純氮的氣氛條件,同時對該氮化硅薄膜進行了金相顯微鏡、掃描電鏡( sem ) 、 x射線衍射儀( xrd ) 、 x射線光電子譜( xps ) 、 x射線能譜儀( edx )和抗氧化性等測試和分析。
  19. And then, zno thin films were synthesize on quartz and silicon substrates by sol - gel dip - coating and spin - coating. the properties of the films and the effects of growth parameters on the quality of zno films were studied using x - ray diffraction, optical absorption, photoluminescence techniques, etc. to modify the energy gap of the zno, mg2 + was added in the sol - gel solution, and mgxzn1 - xo films were prepared by the same method as that for zno films

    利用溶膠凝膠法成功地在石英玻璃和單晶矽片等襯底上制備出了c軸擇優取向的zno薄膜,並利用x射線衍射儀、紫外-可見光光譜儀、熒光光譜儀等對zno薄膜的結構和性能進行了測試、分析,並研究了熱處理參數等條件對zno薄膜性能的影響。
  20. The basic idea behind opc is to intentionally and systematically distort the mask in such a way as to compensate for optical diffraction limit and process non - idealities

    其基本思想是有目的、有系統地通過對掩模形狀做預失真來補償由光學系統的衍射和工藝的非線性引起的失真。
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