晶體發光 的英文怎麼說
中文拼音 [jīngtǐfāguāng]
晶體發光
英文
crystal luminescence- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 體 : 體構詞成分。
- 發 : 名詞(頭發) hair
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
- 發光 : 1 (發出光來) give out light; shine; be luminous; brighten; fulgurate; flash; glow; sparkle; gli...
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Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film
Ceo _ 2是一種廉價而用途極廣的材料,如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等,其納米化后將出現一些新的性質及應用,如ceoz納米晶是細胞色素c的良好的催進劑,還用作zro :陶瓷的穩定劑,由於ceo :折射率高,穩定性好,常用於制備減反射膜等。In this thesis, a new finite difference time domain ( fdtd ) method is developed to treat a two - dimensional photonic crystal consisting of nearly - free - electron metals. the method is used to calculate the band structures and investigate defect modes and guide modes in such a photonic crystal
本論文首先發展了一種基於等離子模型的有限差分計算方法,並應用於二維金屬光子晶體,有效地計算了該類光子晶體的能帶結構。The direct application of eftl is flat panel displays. it has several preferences, emissive, wide view angle, quick response, wide working temperature range, high pixel resolution, anti - strike, long life, less number of fabrication process etc. all these properties are better than plasma display fed and lc
它的主動顯示、平板化、視角大、反應快、工作溫度范圍寬、像素鑒別率高、抗震動、壽命長、工序少等特點,都勝過液晶、等離子體、 lc等顯示技術:第一章介紹了無機電致發光及有機電致發光的發展現狀和存在問題。The thickness had some influence on the development of the banded spherulites : when the thickness reduced to some degree, pcl would develop chrysanthemum - like spherulites, which had no extinction rings or the maltese cross pattern under the crossed polarized optical microscopy. the results of the phase - contrast microscopy showed that growth speed of the chrysanthemum - like spherulites along the radius was not constant
發現薄膜厚度對球晶的生長有一定的影響,當共混物膜薄到一定程度時, pcl不能形成環帶球晶,而是形成一種類似菊花狀的晶體,在偏光顯微鏡下看不到環帶,也沒有典型球晶所特有的maltese十字消光圖案。The process of photoluminescence refers to the radioative recombination of electronhole pairs generated by shining high energy light on a crystal.
光致發光過程就是高能量光子照射到晶體上之後,晶體所產生的電子一空穴對的輻射復合過程。Comparison of ultraviolet photoluminescence characteristics between mgzno and zno thin films
晶體薄膜紫外發光特性比較The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。The mechanism of index ellipsoid of linbo _ 3 crystal distorted with an external applied electric field by means of the electro - optic tensor as investigated. based on the operation principle of m - z waveguide, the operation mechanism of
電光效應理論是從雙折射晶體的折射率橢球出發,分析外加調制電場通過晶體電光張量對折射率橢球的影響,從而分析電光效應的機理。In this paper, in the course of studying the physical principles of electro - optics effect of bso, the characteristic of bso and ( the planar electric field image ) is analyzed thoroughly on the based of swing modulate theory
本論文在對bso晶體電光效應物理機理的研究中,從晶體的振幅調制理論出發,對bso晶體特性以及bso晶體內形成二維電場圖像進行了深入的分析。In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam
從三波耦合方程及clbo晶體的光學特性出發,討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解(包括類及類相位匹配的倍頻解) 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度,基波偏振分量比,基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。So the research on these new materials is becoming more and more important. we collected and analyzed the overseas and domestic sufficient date for the optical characteristics of magneto - optic crystal. then we bring forward a research topic in varying magnetic field on some crystals optical characteristics such as the angle of rotation, the depolarization ratio and so on
本文在對國內外有關磁光晶體光學特性研究狀況進行調研之後,從外界磁場對晶體光學特性的影響這一角度出發,在大范圍可調諧磁場下,對幾種不同的磁光晶體的光學特性,諸如faraday旋轉角、退偏度等進行了測定。The transmission spectra and reflectance spectra of the pc shift systematically with the spheres size, providing evidence of photonic crystal effects. photoluminescence measurements show efficient emission of the zno photonic crystals in the uv as well as a defect emission band at longer wavelength
利用透射光譜及反射光譜研究了影響zno光子晶體的光子禁帶的工藝參數;利用x射線衍射儀分析了zno光子晶體的結晶和取向性能;利用熒光分光光度計,研究了不同前處理溫度下的zno光子晶體的光致發光譜。Fourthly, the incident intensity threshold of the fanning effect in twm was measured in the ce : knsbn crystal, and it is about 20mw / cm, while using 632. 8nm red light with e polarization as writing beam
實驗發現在e偏振光寫入情況下, ce : knsbn晶體中光扇存在寫入光強度閾值特性,當寫入光強大於20mw cm ~ 2時光扇效應明顯增強。The main contents of this dissertation are as follows : ( 1 ) according to the set of equations governing the pr process, index changes in pr crystals induced by writing beams with different intensity profiles are theoretically analyzed and numerically simulated
所開展的工作以及得到的結論如下:從光折變動力學方程組出發對光折變晶體中光致折射率變化進行了理論分析,並建立了由寫入光的強度分佈得到光致折射率變化分佈的數值模擬方法。There are some creations in this paper. first, the relationship among the physical property, crystal structure, preparation method and doping content is established to be a parabola equation. the extreme value of this equation determines the optimum doping content
本論文工作的創新點在於:從半導體發光材料的晶體結構出發,建立起材料的物理性能、晶體結構中原子配位數、最佳摻雜含量和制備方法之間的關系,歸納出材料摻雜的最佳摻雜含量的理論表達式。Based on acousto - optical coupled wave equation, the momentum mismatch is modified and acousto - electro - optical coupled - wave equations are founded. for one - dimension acousto - electro - optical effects, the momentum mismatch caused by ultrasonic wave is replaced by the summation of mismatch caused by ultrasonic wave and mismatch caused by electric field
根據晶體中光場所遵循的麥克斯韋方程組,以及聲場與光場間的參量互作用基本方程出發,在聲光耦合波方程的基礎上,系統地建立了聲電光效應的耦合波方程理論。From light emitting components ( light emitting diode ? led, led display, infrared emitting diode ), light receiving components ( photo transistor, photo conductive cell ? cds, infrared receiver module ), to different sensing devices, we can offer perfect and complete products
由發光元件(發光二極體,發光顯示器,紅外線發光二極體) ,感光元件(光敏晶體管,光敏電阻,紅外線接收組件) ,以致到不同功能的感應元件,均有完善及齊備的產品提供。The display may be liquid crystal or light emitting diode
可以採用液晶或發光二極體顯示。The theory on magneto - optic effect and the course of the research on magneto - optic crystals are discussed in the first chapter. being based on these, the idea of measuring the optical characteristics in varying magnetic field is brought about
在第一章緒論部分,對磁光效應理論的發展及磁光晶體的研製與應用進程進行了概述,基於國內外研究現狀,提出在可調諧磁場下對磁光晶體的光學特性變化進行測量與研究。Sixthly, in the experiment under a pump chopped condition, we found that a chopped pump will weaken the fanning development at the beginning of twm
在斬波調制的兩波耦合實驗中發現:泵浦光斬波調制將延緩ce : knsbn晶體中光扇發展。分享友人