激光作用面 的英文怎麼說
中文拼音 [jīguāngzuòyòngmiàn]
激光作用面
英文
lasing surface- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 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) ...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
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The sound of the rumble and crash of falling walls and ceilings ; the roar and hiss of the flames, and the excited shouts of the crowd ; the sight of the hovering clouds of smokehere folding over into black masses, there drawing out and lighted up by gleaming sparks ; and the flameshere like a thick red sheaf, and there creeping like golden fish - scales over the walls ; the sense of the heat and smoke and rapidity of movement, all produced on pierre the usual stimulating effect of a conflagration
墻壁和天花板的斷裂聲訇然倒塌聲火焰的呼嘯和畢剝聲人們的狂叫吶喊,時而動蕩不完的煙雲時而騰空升起,夾雜著明亮的火星,雖煙滾滾閃出道道火光,此處是禾捆狀的通紅的火柱,彼處是沿著墻蔓延的魚鱗狀的金色火焰這一切景象,合著熱浪和煙味的刺激,行動的迅速,這種種感覺在皮埃爾身上產生了面對火災常有的興奮作用。It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g
本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。It is interesting to observe that the principle of operation for the "prism" coupler of fig. 3. 22b is being considered for extracting the output from lasers of the mesa type.
我們將看到圖322b的「棱鏡耦合器」工作原理正被考慮用來從臺面激光器獲得出,這是很有意義的。Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理;首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系,計算單個激光脈沖角膜切削量;發現了角膜曲率對切削效果的影響,首次提出了角膜曲率半徑、切削位置與切削深度的關系;首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響,為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite
採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。In the process of the synthetic experiment with the pearlizer, the researchers focus their efforts on the exploration of the following areas concerning the artificial pearliser : ( 1 ) the material ratio ( 2 ) the amount of the catalyst used ( 3 ) the effect of such technological conditions as temperature and time on the performance of the final product, and ( 4 ) the ester value, acid value, yield rate, and appearance
在這次珠光劑的合成實驗中,我們主要從以下凡個方面進行了探索研究工作: ( 1 ) (探索了珠光劑合成的)原料配比. ( 2 ) (探索了珠光劑合成的)激活劑用量. ( 3 ) (探索了珠光劑合成中的)溫度、時間等合成工藝條件對產品性量的影響. ( 4 )探索了酯值,酸值、產率、外觀等。This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology
該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。After a series of experiments, primary parameters of output are theoretically achivevd approximately gradually. its output, after second and third harmonic generation, will be appliedin great space ; and its function in the area of anti - laser and anti - ccd detection is not neglectable
輸出激光經過二倍頻、三倍頻后,有極其廣泛的應用空間;在激光對抗與反ccd探測方面,它的作用更不容忽視。Games suggest that the mouse operations to the top of the two wires staggered to avoid wye octopus - themselves, then angered octopus, neighbors became crutch with crutch laser pointing octopus, xiao yang yang, chimpan
游戲提示,鼠標操作,將最上面的兩個電線交錯,免得懷章魚電到自己,然後激怒章魚,鄰居成了拐棍,用拐棍將激光指向章魚,撓癢癢,猩猩笑。The use of the state - of - the - art laser facility makes it possible to create conditions of the same or similar to those in the astrophysical processes. the introduction of the astrophysics - relevant ideas in laser - plasma experiments is propitio us to the understanding of the astrophysical phenomena. however, the great difference between the laser - produced plasmas and the astrophysical processes makes it awkward to model the latter by laser - plasma experiments. this paper addresses the physical backgrounds for modeling the astrophysical plasmas by laser plasmas, connecting these two kinds of plasmas by scaling laws. thus, allowing the creation of experimental test beds where observations and models can be quantitatively compared with laser - plasma data. special attentions are paid on the possibilities of using home - made laser facilities to model astrophysical phenomena
採用當前最先進的激光裝置與物質相互作用,可以獲得與天體物理過程中相同或相似的條件,並進而開展利用激光等離子體模擬天體物理現象的實驗.然而,激光等離子體為微米空間尺度、納秒存活時間,而天體物理對象則為宇宙學的極大的時間與空間尺度,對在物理上和實際操作上將這兩種表面上存在巨大差異的物理過程對應起來從而利用激光等離子體研究天體物理過程的可能性進行了討論,特別是對利用國內的激光裝置開展模擬實驗的可行性進行了討論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。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Working on laser diode fiber - coupling modules was summed up, they are, setting up the model of far - field distribution of laser array and the far - field characteristics of difference structures ; designing the temperature - controlled laser diode fiber modules, that has been used as a laser system with temperature - controlled and fiber - output ; realization with high - brightness laser diode fiber - coupling modules ; the fiber ' s application in the field of high power laser
總結了自己在光纖耦合輸出激光二極體模塊方面所做的一些工作,建立了半導體激光器列陣遠場光束分佈模型,並結合具體參數分析了不同結構的激光器列陣的光束遠場分佈特性,可以知道我們設計和優化激光器列陣的結構。設計並製作了光纖耦合模塊的溫度控制系統,並製作成溫控光纖輸出激光器半導體系統投入使用。In this work of part 1, as a main body of this dissertation, multiple experimental methods are applied to investigate the optical properties of gap1 - xnx alloys with the n composition varying from 0. 05 % to 3. 1 %. in part 2, the transient photoluminescence of iii - v semiconductor gainp and algainp alloys are studied
隨著與氮有關的化合物半導體在短波發光器件(如藍色發光二極體和紫色激光器件等)方面的巨大應用潛力和發展, gapn作為一種新型的含氮-族化合物半導體材料,其光電性質引起了人們的關注。The characteristics of this method are : a, directly counting cell number without the influence of the metabolic state of the cells ; b, discrimination of target cells from effector cells in cell - mediated cytotoxicity assay ; c, less treatment step, and free - radioactivity ; d, high sensitivity and reliability. 2, using the above assay, immunofluorescent labeled technique, and flow cytometry, the pbmc proliferation, apoptosis, necrosis, cell cycle, activation, cytokines and membrane marker were detected. the results showed that the number of pbmc reduced, but the activity of pbmc increased dose - dependently ; the reduction of cell number resulted from necrosis and apoptosis ; the supernatant of k562 cell lines were not able to block the cell cycle, but to promote it ; the ratio of t cell subset and the expression of thl and th2 cytokines increased
結合以上創建的方法和免疫熒光流式細胞術,用k562細胞株可溶性分泌物(上清)對外周血單個核細胞( pbmc )進行培養以模擬體內微環境,然後分別從細胞增殖、凋亡、壞死、細胞周期、活性、細胞因子和表面抗原表達等方面進行研究,結果發現用腫瘤上清培養的pbmc細胞數量下降明顯,但同時對其有激活作用,且呈劑量依賴性;細胞數的下降主要是由細胞壞死和凋亡引起的,腫瘤上清對細胞周期沒有阻斷作用,反而略有促進作用; t細胞亞群比例增加,並促進表達th1 、 th2細胞因子。With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth
隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。In icf research, the diagnosis of laser - produced plasma is a important area. it is important to research each mechanism of interaction between laser and plasma and verify stimulant program, then to direct designs for driver and target form
對強激光產生等離子體的診斷,是icf研究中的重要領域。它對于研究激光等離子體相互作用的各種機制、校驗模擬程序進而指導驅動器和靶形的設計等方面有十分重要的意義。In this paper, radiation hydrodynamics model is used to study the interaction between short pulse intense laser and plane au target, which includes laser ' s propagation and absorption in plasma, x - ray emission, plasma development and its thermodynamic state
本文用非平衡的輻射流體力學模型系統地研究了短脈沖強激光與平面金靶相互作用的物理過程,包括激光在等離子體中的傳播和吸收, x -射線的發射,等離子體的流體力學發展和熱力學狀態等。The temperature fields and the surface rayleigh waves generated by a pulsed laser in a thick al pipe are analysed by using a finite element method
摘要利用有限元方法數值模擬了脈沖激光作用於厚鋁管時產生的溫升以及由此溫升而產生的表面瑞利波的情況。The surface of the films was observed for the films heated with many times by laser beam, it was found that pzt films " interfacial crack appeared
重復多次激光作用后,觀察其形貌,發現薄膜出現界面裂紋,這與鄭學軍用激光熱疲勞模型預測的結果一致。分享友人