直透鏡 的英文怎麼說
中文拼音 [zhítòujìng]
直透鏡
英文
orthoscopic lens-
Diffractionlimited aspheric collimation lens
衍射極限非球面準直透鏡The analysis of grin in optical fiber collimator
自聚焦透鏡在光纖準直器中的應用分析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 ） 。In this paper, the focal distance formula of lens in varied shapes is obtained by using object methods to make its physical meaning more obvious
摘要採用直觀的方法得出了空氣中各種形狀的薄透鏡的焦距公式，使其物理意義更加明顯。The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be
編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。There is a direct relation of this surface to the distribution of a lenticular sandstone which overlies it.
這個面直接控制著它上面的透鏡狀砂巖的分佈。Slide projectors and slides ; outer diameter for lens mount of projection lenses
幻燈放映機和幻燈片.放影鏡頭透鏡座的外部直徑The basic microscope consists of an electron source and an assembly of magnetic lenses arranged in a vertical column that is evacuated to about 10 torr or better
基本的顯微鏡包括一個電子源和一塊以垂直的柱形排列的磁性透鏡集成板，板上排列的間隔為10托或更好。Moreover, compensated for aberration of ball lens by designing phase compensating plate to get a higher energy utilization rate. third, combining with the light beam property of dwdm system, put forward taking fresnel lens array as fiber arrayed collimator, designed differently structured lens array and discovered the arrayed collimator loss property, which compared with the existing parameter of fiber collimator, embodies many advantages as arrayed collimator
結合密集波分復用系統的光束耦合特點，提出用菲涅爾透鏡列陣做光纖陣列準直器，並設計不同結構的透鏡列陣，得出了該陣列準直器的光束耦合損耗特徵，與現有的光纖準直器的參數相比，體現出用菲涅爾透鏡列陣作陣列光纖準直器的諸多優勢。For example, if the diffraction pattern is defocused by under - focusing the diffraction lens then the image of the specimen can be seen in both the direct and diffracted beams in the diffraction pattern and, since under - focusing the diffraction lens images a plane above the diffraction pattern, these images will not be inverted with respect to the diffraction pattern
比如，如果衍射模型是通過衍射透鏡下焦散焦的，樣本的映像就能在衍射模型中直接的衍射束中看到，但是由於衍射透鏡下焦在衍射模型之上平面成像，這些映像就不會對應衍射模型倒置。The binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field using effective mass approximation and variation method have been discussed
利用有效質量近似、變分法，研究了垂直磁場下透鏡型量子點（ gaas / in1 - xgaxas ）摻入類氫雜質后基態能和結合能。Firstly the binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field will be displayed. then how to use the nuclear spin as the quantum bit will be given
首先研究了垂直磁場下透鏡型量子點（ gaas / in1 - xgaxas ）摻入類氫雜質后基態能和結合能，然後討論了如何利用量子點中雜質核自旋構造量子位。Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses.
用普通的短焦距透鏡不難得到直徑只有幾十微米的光點。Nowadays the light collected by the lens or mirror of a telescope is directed to a photographic plate rather than to the astronomer's eye.
被望遠鏡的透鏡或反射鏡所收集的光線，如今直接射到照相底板上，而不是天文學家的眼睛里。In the srlois, a sphere reflector taking the place of the traditional lens is taken as the scanning optical system, the measuring range of the system is extended, and the problem of laser non - contqct measurement of larger diameter for workpiece
本系統用球面反射鏡代替傳統透鏡作為掃描光學系統，擴大了系統的測量范圍，解決了工件較大徑向尺寸（直徑）的激光非接觸檢測問題。When a larger waist w of the incident gaussian beam and a shorter focal length / of the lens are chosen, we can obtain an extremely - small dark spot size of the focused hollow beam, even approach the diffraction limit
當選擇較大的入射準直高斯光束的束腰w _ 0和較短的薄透鏡焦距f時，可以在焦平面上產生一個很小的dss （或束半徑r _ 0 ） ，甚至可以接近衍射極限。A preliminary study of the measurement of optic disc diameter with 78 d lens and biomicroscope
透鏡測量視乳頭直徑的初步研究3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens
3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題，提出了:用一段直徑為600 m的裸石英光纖代替柱透鏡，對半導體激光器輸出光束進行準直整形;用球透鏡光纖對準直后的光束進行聚焦，直接實現和光纖耦合，來代替聚焦透鏡和光纖耦合的環節。The light route used by measuring instrument determined its volume, according to the place between sampling area and lens, with the application background limits, the miniature atomized particles size measuring instrument takes scheme that the sampling area locate in front of the lens and the optic - electronic sensor at the back focal plane of the lens. the miniature atomized particle size measuring instrument employs
測量儀器採用的光路直接影響儀器的結構尺寸，接收透鏡和采樣區位置的關系具有不同的配置方案，由於霧粒粒徑測量儀應用背景的限制，所採用的光路配置方案是被測顆粒位於透鏡前方，光能接收器件位於透鏡后焦面上。Applying the standard gaussian beam abcd matrix propagation theory, the parameters selection and the corresponding performances of a laser - guide - star emission system are presented theoretically. in received system, the light route matching problems of the micro - lens array and ccd, collimating lens are considered. the performances of seven - aperture and multi - aperture lens arrays are measured by he - ne laser beam
採用高斯光束標準abcd傳輸矩陣理論設計了發射系統參數，討論了不同參數的微透鏡陣列和準直透鏡、 ccd的光路匹配問題，並用he - ne激光束檢測了七孔徑和多孔徑透鏡陣列的工作性能。分享友人