聚會光束 的英文怎麼說
中文拼音 [jùkuàiguāngshù]
聚會光束
英文
convergent pencil-
Under astigmatism even narrow parallel light beams will not combine into one point.
有象散存在時甚至很窄的平行光束都不能會聚在一點。Convergent pencil of rays
會聚光線束When a collimated - well gaussian laser beam passes through a 27i - phase plate and then focused by a lens, a focused hollow beam ( fhb ) will be generated behind the lens, as a result of the completely ( r = 0 ) and partially ( r 0 ) destructive interference effects around the central region of the beam
當一束準直的高斯光束通過具有2位相分佈的位相片和一個薄透鏡時,這將導致在入射高斯光束中心的完全和部分相消干涉效應,於是在透鏡后就會形成一束聚焦中空光束( fhb ) 。The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一,是一個重要選色元件,其作用是限制電子束直徑和上屏方向,由電子槍發射的電子束在偏轉磁場的作用下進行掃描,掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚,並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上,發出三種基色(紅,綠,藍) ,而無用的電子則被蔭罩板截獲。4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr
4單聚焦單鏡頭:為panasonic率先採用的單激光頭單聚焦鏡雙聚焦點方案,他採用特別的全息綜合透鏡,通過透鏡中間部分的激光束形成cd的聚焦點,通過透鏡邊緣部分的激光束形成dvd的聚焦點,這種結構由於沒有機械傳動,也不會產生機械故障,所以提高了認盤速度,不過同時也降低了成本。但採用此方案的第一代和部分第二代dvd不支持cdr 。We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states
在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象,人們統稱這些現象為光場的非經典效應,目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。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。Meanwhile it is shown that squeezing of field and photon antibunching can be greatly enhanced via selective atomic measurements
同時發現通過對原子的選擇性測量,場的壓縮特性和光子的反聚束效應會增強。A new algorithm is then derived, in which the factor of spherical wave front is removed explicitly. thus the propagation of a focused beam could be evaluated indirectly from propagation of an unfocused beam
文中對此作了分析,進而提出了一種新演算法,將球面波因子提出,然後將會聚光束的傳輸過程轉化為非會聚光束的傳輸過程,從而間接求得了聚焦光束的光場分佈。The laser beams from m - z interferometer will focus on three different dots after going through the positive lens, and the prisms were placed on these dots. owing to the deviation of these prisms, three interferograms will be separated each other when they reach the image board
由干涉儀射出的三束光經凸透鏡會聚于空間位置不同的點,把光楔放置在這些點上可使三束光在空間上彼此分開,利用ccd相機可記錄下三幅干涉圖。On construction of optical tweezers, a dual - optical tweezers system was set up using a ti - sapphire laser. the optical trap steering and sample micro - manipulation systems were constructed. the displacement and force measurement systems were incorporated, and displacements of nanometers and forces of picnewtons can be detected
所謂光鑷就是利用光的壓強效應,由一束高度會聚的激光形成的光學勢阱,利用它可以對單個細胞、生物大分子等微小物體實現非接觸、無損傷操作。Paper and board - measurement of 75 degree c specular gloss - converging beam method
紙及紙板.測量75拋光光澤.會聚光束法After the focal plane, the focused hollow beam propagated according to a constant angle of divergence, the dss become larger, and the intensity become weaker
經過焦點后,這一聚焦中空光束將以一定的角度發散,它的dss會變得越來越大,光強度變得越來越弱。The performance of devices is directly decided by the impurity distribution in the diffused region, and the impurity distribution may be affected by the material thermal properties, the mechanism of diffusion, the power of laser and the diffusion time
激光誘導擴散過程中,基片的熱物理特性、擴散源的擴散機理、激光束的功率大小和擴散時間以及光束的聚焦狀況等等,都會對擴散結果產生重要的影響,而擴散層的雜質分佈情況將直接決定器件的性能指標。At the fixed laser energy, the results show that the line intensity and stability can be enhanced if the focus of lens is set into the sample
實驗結果顯示在激光能量一定時,對激光束進行會聚的透鏡的焦點在樣品內部時,能提高libs信號的強度和穩定性。Analysis for the force exerted on a micro - particle in the focused gaussian laser beam
微粒在會聚高斯光束中的受力分析分享友人