聚束透鏡 的英文怎麼說
中文拼音 [jùshùtòujìng]
聚束透鏡
英文
condenser lens- 聚 : 動詞(聚集; 聚積) assemble; gather; get together
- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 透 : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
- 鏡 : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
- 透鏡 : [物理學] lens; optical lens
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Focusing properties of gaussian beams passing through a bifocal lens
高斯光束通過雙焦透鏡的聚焦特性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 beam of flashlight diverges, but it can be refocused with lenses.
一個發散的閃光燈束可以用透鏡重新聚焦。A beam of light ( typically ultraviolet light from a mercury arc lamp ) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer ( called the photoresist ) on the surface of a silicon wafer
一束光(通常是汞弧燈發出的紫外光)先穿透鉻光罩,然後通過透鏡把影像聚焦在晶圓表面的有機高分子感光塗料(稱為光阻劑) 。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 。The main results of this thesis can be summarized as follows : 1. based on the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through an annular lens optical system. the influence of the spectral degree of coherence, fresnel number and truncated parameter on the focused intensity distribution and focal shift is analyzed
主要工作包括: 1 .從惠更斯-菲涅耳原理出發,推導了部分相干光束通過環形透鏡系統的傳輸公式,分析了空間相干度、菲涅耳數、攔截系數對系統中光束的聚焦光強和焦移的影響。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 。Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna
單波束點聚焦透鏡天線是多波束聚焦透鏡天線的基礎和關鍵,只有充分精確地分析了單波束點聚焦透鏡天線解析度大小和焦斑位置,以及單個波束的偏移產生的相應影響,才能設計多波束聚焦透鏡天線。In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上,聚焦中空光束的dss越小,光學勢越大,相應的最佳失諧量越大,這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡,而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。3. the paper gave the lens image formula for gassian beams
給出了高斯光束經過聚焦透鏡的成象公式。At last, we discussed the spillover and illumination level. with experiments of single beam and multiple beam lens antenna, we got results that their specifications achieved the project goals
在此基礎上,設計了多波束點聚焦透鏡天線,並對設計的多波束聚焦透鏡天線進行模擬和試驗。A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target
本文的主要工作是針對彈道靶尾跡微波干涉儀里的點聚焦單波束捕捉目標的有效性能不足,而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線,以增大捕捉范圍和提高中靶率。The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively
6 ,使用傅立葉積分變換法,在考慮透鏡色差和高階色散效應的較為一般情況下,分別研究了等束寬超短脈沖高斯光束和等衍射長度超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。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。We designed, simulated and experimented multi - beam lens antenna based on spot - focusing lens antenna ’ s designing, computer simulation, experiment and analysis. in this paper, the author adopted different methods to discuss resolution including geometry optics, gaussian beam and vector diffraction integration
然後在對單波束點聚焦透鏡天線進行設計、模擬和試驗的基礎上,進行準確的分析,以作為多波束天線設計的理論基礎。For single lens, the change of beam quality lead to the varity of dimension and positions of spot of focused nd : yag laser. a telescopic system can produce constant dimension and position of beam waist
激光光束質量的變化導致了單透鏡的聚焦光束的束腰大小和束腰位置都發生變化,採用望遠鏡耦合系統可以得到大小和位置都不變的像方束腰。The system will be utilized to date present spot - focusing lens antenna. with further improvement of this system, it is possible to have more completed and efficient sampling of focal plane
通過單波束和多波束聚焦透鏡天線的試驗,驗證了所設計的單波束和多波束聚焦透鏡天線達到了預期要求,為今後的工程設計打下了良好的基礎。Multiple beam focusing horn lens antenna is an important part of interferometer. multiple beam lens antenna ’ s designing and measurement are crux because antenna ’ s far - field focusing ability is used to judge interferometer ’ s capability
多波束聚焦透鏡天線是掃頻式干涉儀診斷技術的重要部件,它們的性能直接關繫到干涉儀系統指標的優劣,因此對多波束聚焦透鏡天線的設計和測量也很關鍵。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。2. according to the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through dual - focus optical systems and investigated the phenomenon of focal switches of the partially coherent
2 .從惠更斯-菲涅耳原理出發,推導了部分相干光束通過雙焦聚焦透鏡系統的傳輸公式,研究了部分相干光束聚焦的焦開關現象。分享友人