聚焦分光計 的英文怎麼說
中文拼音 [jùjiāofēnguāngjì]
聚焦分光計
英文
focusing pectrometer- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 焦 : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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) ...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
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To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design
為減少打標畸變,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented
此外,本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序,提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法,並模擬了會聚高斯光束在sil系統中的傳輸,研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律,為sil存儲系統的優化設計提供了理論依據。In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先,介紹了國內外太陽能電池的研究現狀及應用情況;其次,運用太陽能電池基本原理討論影響電池轉換效率的因素,分析了級聯電池的伏安特性;隨后,討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念,研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程,解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題;然後總結了級聯電池的后工藝製作;最後,研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝,設計並安裝完成新型聚光太陽能電池組件。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 。Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system
文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調焦的整體技術方案,給出了基於圖像高頻成分統計的聚焦判識演算法,在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索,主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究,其研究的內容和取得的成果如下:一、根據標量衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採用描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。The lung tissue for immunohistochemitry and laser scanning confocal microscopy were fixed and embedded. the morphological alteration of pulmonary neuroendocrine cells which stain for calcitonin gene - related peptide ( cgrp ), serotonin ( s - ht ) and luteinizing hormone ( lh ) were studied. the results of these were dealed with computer image analysis and statistical treatment
肺組織取材后經固定、梯度酒精脫水、包埋、連續切片后,應用免疫組織化學方法、透射電鏡及激光掃描共聚焦技術觀察了降鈣素基因相關肽( cgrp ) 、五羥色胺( 5 - ht ) 、黃體生成素( lh )陽性細胞的隨齡變化,並對實驗結果進行了計算機圖像分析和統計學處理。So it is necessary to examine calcium activity and distribution in nerve cells. a way of visualizing intracellular ca2 + in three dimensional was established by using laser scanning confocal microscopy ( lscm ) and computer visualization technique in this paper. based on this way, which includes cell culturing and dyeing, confocal microscopy optimizing, confocal data preprocessing, 3d visualization of ca2 + by computer, we investigated the ca2 * distribution in cultured hippocampal neurons under different objectives
本文通過激光掃描共聚焦顯微技術和計算機三維可視化技術建立了一套神經細胞內鈣離子分佈三維可視化的方法,包括細胞的培養和染色、顯微鏡參數的優化、共聚焦數據的預處理、針對鈣離子的三維可視化方法的實現,為胞內鈣離子作用機制的研究提供直觀的手段。2 the design and manufacture of focs instrument system the foundation of commercial fiber optical chemical technique is to manufacture a fiber optical chemical instrument system. an instrument is assembled with xenon light as the source, bifurcate quartz fiber as the carrier for light, high precision photomultiplier tube for the conversion of light signal to electron signal and the 16 - digit multi - channels analog - to - digital card for collection of data
生產人作者選擇氖燈為光源、設計聚焦系統,以石英分支光纖作為傳輸光信號介質,高精度光電倍增管檢測, 16位多道數據採集卡為a d轉換,採用visualbasic編寫windows平臺操作軟體,菜單提示,窗口人機對話,研製成功單通道光纖化學過程傳感儀器系統。On the basis of above - mentioned research, the thesis designs guangmang group competitive strategic scheme of vtchp solar water heater market according to swot matrix, analysizes and evaluates the scheme using quantitative strategy planning matrix ( qspm ). it assures that based on low cost focus strategy is the optimum competition strategy of guangmang group of vtchp solar water heater market
在上述研究的基礎上,論文根據swot矩陣設計了光芒集團vtchp太陽能熱水器市場的競爭戰略方案,並運用定量戰略評價矩陣( qspm )對方案進行分析和評價,確定了基於低成本的聚焦戰略作為光芒集團vtchp太陽能熱水器市場的最優競爭戰略。A dfdl model including gain saturation effects is developed and this model is used to study the fluctuation of the pulse width theoretically, which is identical to the experiments. in order for ps pulse amplification, the saturation fluence for krf at 10 ps and gain of the discharge krf laser are monitored. 4
開展了10pskrf激光在空氣中的傳輸實驗研究,計算了自導引區內的閾值光強,觀測到光束自聚焦和自導引現象,測量了自導引區域內的等離子體密度,並對激光脈沖的傳輸演化進行了分析。Based on the theory of laminated object manufacturing, the technology can directly produce three - dimension miniature structure by melting nano - phased powder with fine focus. in the process of micromachines, an important technological quota is the distinguishability. in the microscopic process of rapid fabrication, the distinguishability including the scanning distinguishability and the fabrication distinguishability
該技術將選區激光燒結快速成型技術與納米科學技術、激光技術、計算機控制技術結合起來,應用分層製造思想,以更精細聚焦的激光熔燒微、納米粉粉末直接成形三維微結構。在微機械加工中,一個重要技術指標是解析度,在快速成型微細加工中,把解析度區分為掃描解析度以及成型解析度。It preliminarily establishes a set of test theory and technical approach to wind tunnel test. specifically speaking, it includes following work : ( 1 ) theoretical analyses on key parameters of ao effect were made. from maxwell equation, the computation formula for focusing intensity of ordered disturbance and the computation formula for pulse peak intensity were derived
初步建立起了一套氣動光學風洞測試試驗的理論和技術,完成的主要研究工作有: ( 1 )從理論上進行了氣動光學主要參數的分析,從麥克斯韋方程出發,推導了有序擾動的聚焦強度的計算公式及脈沖峰值強度計算公式。Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。We develop a clsm system included optics module, scan module, circuit and data collection module and computer processing module that can acquire reflected light and fluorescent light of sample. we debugged this system and measured some samples
我們研製了一套反射式共聚焦激光掃描顯微鏡系統,包括光學部分模塊,掃描部分模塊,控制電路及數據採集模塊,計算機處理模塊以及各介面。The focusing properties of an annular beam are demonstrated, which give guidance for some design in icf driver structure. 4
給出了環形光束聚焦特性分析,對于icf中「同軸型」雙程放大光路布局設計檢驗有著理論上的指導意義; 4Light can be guided into the fiber and transmitted to the remote end where a sensor inserted into sample was fixed. the on - line information can be obtained with the instrument constituted by electron conversion, analog - to - digital transform and data analysis system
光輻射聚焦進入光纖到達光纖遠端位於試樣中的傳感器,實時獲取分析物信息,由檢測器及計算機介面進行模數轉換和數據處理。In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the
本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ ( 4 + ) : mg _ 2sio _ 4晶體,抽運光脈沖寬度為30ns 、能量為50mj ,在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上,結合實際的cr ~ ( 4 + ) : mg _ 2sio _ 4激光器的相關參數,從速率方程出發,用數值計算的方法更為精確的模擬了cr ~ ( 4 + ) : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性,得出了激光脈寬只與抽運能量、腔長有關的結論,即抽運能量愈大,脈寬越窄;腔長越長,脈寬則愈寬。分享友人