寬反射鏡 的英文怎麼說
中文拼音 [kuānfǎnshèjìng]
寬反射鏡
英文
wide mirror-
The optical manufacturing for off - axis aspheric mirrors has become increasingly challenging for two reasons. the mirrors, in addition to being larger, are more aspheric and off - axis in order to meet the requirement of next generation space camera, which is commonly configured as three - mirror - anastigmat ( tma ) to get both wide fov and high resolution, and the required accuracy is more stringent
近年來，人們提出了「離軸三反消像散」 （ tma ）結構來滿足下一代空間相機「詳查」和「寬覆蓋」的技術要求，該結構中要求使用三塊離軸非球面反射鏡，而大口徑、高精度離軸非球面反射鏡的製造技術是研製tma結構空間相機的主要技術瓶頸之一。Design and test of good performance and broad - hand antireflection thin films based on glan - thompson prism
棱鏡高性能寬帶減反射膜的研製及性能測試Using the typical moled structure glass / dbr / ito / htl / eml （ etl ） / al ， the el spectrum narrowing, intensity enhancement in the normal direction as well as emission intensity redistribution in space are observed. by the introduction of single layer silver film instead of the dbr / ito multilayer, a ( / 2 - length cavity is obtained. using this kind of microcavity, three - color single mode pl from a single material alq and three - color single mode el from double layers pvk / alq are achieved for the first time
通過以金屬銀替代多層結構的dbr / ito ，既作為反射鏡，又作為el器件中的空穴注入電極，設計出腔長只有（ / 2的超短微腔，採用同一種寬譜帶材料alq作為光發射層，首次報道了三基色單模光致發光和pvk / alq雙層結構的三基色單模電致發光。The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。With the high accurate transfer function it is possible to design frequency characteristic compensator to eliminate the mechanic resonance frequency characteristic of the control object. the fast steering mirror system closed bandwidth is no longer restricted by the mechanic resonance frequency and the closed bandwidth is expanded effectively
在獲得對象的高精度傳遞函數以後，使用零極點對消的方法補償系統的機械諧振，有效地擴展了快速控制反射鏡系統的帶寬，使快速控制反射鏡系統的閉環帶寬不再受制於系統的開環諧振頻率。The analytical result of the tir mirror shows that this type of awg device with tir mirrors has high fabrication tolerance. the tapered waveguide and the output waveguide of the device are designed and improved. simulation results indicate that introduction of tapered waveguides with different widths and design improvement of the output waveguide can both improve the performance of the awg device
對全內反射鏡的分析表明這種全內反射型的awg器件具有較高的製作容差；改進設計了awg器件中的楔形波導和輸出波導，模擬結果表明不等寬楔形波導的引入可以改善awg器件的性能，對輸出波導進行改進設計同樣可以提高awg器件的性能。For example, when the beam waists of both gb and fgb are equal to 10 mm, the width of the sfgb mirror is - 3. 6 times of the sgb one
研究結果表明，在入射光束的光腰w二10 ~的條件下，平頂高斯光束反射鏡面的寬度要比sgb反射鏡面的寬度大一3 . 6倍。Helped by an architect friend, midali has drawn up a plan to install a 5 - metre 16 - foot high, 8 - metre 26 - foot wide mirror on the mountainside that would track the sun ' s movement and reflect its rays into viganella ' s historic piazza
在一位建築師朋友的幫助下，米達利開始籌備在山腰安裝一塊高5米寬8米的鏡子，隨著太陽移動，鏡子將其光線反射到村子里那個古老的廣場上。Helped by an architect friend, midali has drawn up a plan to install a 5 - metre ( 16 - foot ) high, 8 - metre ( 26 - foot ) wide mirror on the mountainside that would track the sun ' s movement and reflect its rays into viganella ' s historic piazza
在一位建築師朋友的幫助下，米達利開始籌備在山腰安裝一塊高5米寬8米的鏡子，隨著太陽移動，鏡子將其光線反射到村子里那個古老的廣場上。In the yb3 + - doped single or double clad fiber lasers by using few - mode fiber bragg gratings as wavelength reflectors, the linewidth of the output laser is smaller than 0. 1nm, which shows that such a scheme can produce narrow linewidth laser
最吸引我們的是使用這種光纖光柵做為腔鏡組成的摻yb3 +單包層和雙包層光纖激光器有著小於0 . 1nm的3db帶寬，說明少量模光纖布拉格光柵具有較窄的反射峰。Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process
將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值( 3 ) properties of yag laser q - switching by sbs were experimentally investigated, and the laser without back reflective mirror was devised, and laser pulse was obtained at repetition rate ihz and 5hz by optimizing lens focal length, length of cell and position of lens focal. point, resulting quality of pc is ideal
（ 4 ） 、實驗研究了sbs的yag激光器，設計了無後向反射鏡的sbsyag激光器。在泵浦能量17j 、重復頻率分別為1hz 、 5hz時，得到穩定輸出的能量為19mj 、脈寬為10 . 7ns 、光束質量很好的激光脈沖。分享友人