焦面分光計 的英文怎麼說
中文拼音 [jiāomiànfēnguāngjì]
焦面分光計
英文
focal plane spectrometer- 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;...
- 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...
- 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...
- 焦面 : [礦物學] bench side; [光學] focal plane焦面快門 focal-plane shutter; 焦面位移 focal plane shift
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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。During the course of the manufacture for packaging 2000 pixel hgcdte irfpa wafer, some crucial techniques are solved, such as the design of the button stem structures with inclined dragging wires applied in cryogenic platform, the optimization of long linear irfpa detector ' s signal wires layouts, the implement of a fanout board having thin film gold metalization for defining the required electrical conductors and a method of hermetically sealed vacuum enclosure of large dimension windows, etc
在用於封裝2000元碲鎘汞焦平面晶元的分置式微型杜瓦研製中,詳細闡明了一種焦平面晶元其裝載面為斜拉式支撐結構的設計,實現了探測器外引功能線的布線優化及其輸出引線工藝改進,並提出了一種大尺寸高氣密光學窗口的焊接方法等關鍵技術。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。Focal plane spectrometer
焦面分光計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 。After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice
之後測量了雲南天文臺激光的橫向能量分佈,根據相關定義確定了這束非高斯非球面激光的參數,應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化,並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ,研製出光劈解決這一問題,取得了很好的效果。The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device
針對實際光通信應用中對通帶帶寬的需求,本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2
比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系,找到了波前梯度分佈與焦斑能量分佈之間的本質聯系,提出了一個與焦斑尺寸關系最密切的波前誤差參數,並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件; 2We encoded and optimized the filter to design the algorithm for filter. computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image, but also improve the resolution and the focal depth. it provides directive basis for the development of the experiment and the practicability of the technology
計算機模擬結果表明,通過在非瞳孔面的適當分數傅立葉變換面上加入優化設計的位相型濾波器,可有效減小光刻圖形的線寬偏差和面積偏差,提高成像系統的解析度和焦深,為分數域濾波改善光刻圖形質量實驗的開展和這一解析度增強技術走向實用化提供了指導依據。It is shown, through the analysis of their surface power and astigmatism, that the shape of the meridian line has significant influence upon the distributions of surface power and astigmatism. their keystone distortion is small. in this way, pal meeting different circumstances can be designed
最後,舉例設計了光焦度增量為2 . 50m ~ ( - 1 )的幾種漸變鏡片,通過對設計結果分析研究,指出可得到梯形畸變較小的pal鏡片,子午線光焦度漸增多項式參數的選取會影響鏡片球面度和柱面度的大小和分佈,由此,可設計滿足不同使用要求的漸變鏡片。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。The simulation system includes the optics, chopper control, driving signal design, image data acquisition based on vi technology and image processing including image difference, non - uniformity correction ( nuc ), image intensification and dynamic display, etc. according to the corresponding theories, the author designed all these software modules. the research on the pyroelectric imaging technology through this experiment is of great importance to practical thermal imaging system in the future
根據熱釋電焦平面成像原理,用sspa器件在可見光條件下設計了基於虛擬儀器技術的熱釋電凝視焦平面成像模擬系統,包括光學系統、斬波控制、驅動信號設計、基於虛擬儀器技術的圖像數據採集和相關的圖像處理技術,如圖像差< wp = 5 >分、非均勻性校正、圖像增強和動態顯示等。Variational image sampling was employed for focus windows selection, and the harmony between resolution and field of view was implemented. a human face extracting method based on color, shape and detail features was proposed, in order to overcome restriction of method based on skin detection. a method using optical flow was introduced to segmenting moving human face in focus images, and has better perspective in surveillance situation
我們從多方面進行探討,提出用統計手段分析成像主體最可能被放置的區域,有效地減少了成像主體不在中心時引起的誤對焦;提出用解析度空間變化的手段對圖像進行非均勻采樣,達到解析度與視場的協調;提出通過顏色、形狀和細節三方面進行人臉探測,有效地克服了單純靠皮膚進行探測的局限:提出基於光流場的方法分割圖像中的人臉,適用於監控場合。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。Light 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。分享友人