長焦距透鏡 的英文怎麼說

中文拼音 [zhǎngjiāotòujìng]
長焦距透鏡 英文
long focal length lens
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 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;...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : 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...
  • 焦距 : [光學] focal distance; focal length
  • 透鏡 : [物理學] lens; optical lens
  1. If the objective lens is further away from the compact disk than the focal length of the object lens, then the cylindrical lens again creates an elliptical image on the photodetector array

    如果物與光盤之間的於物,柱面也會使在光電探測器陣列上的成像變成橢圓影像。
  2. ( 2 ) the mechanism of laser triggered multi - stage multi - channel switch was studied. the results of experiments and calculations show that the delay and jitter decreased exponentially as the working voltage increased. the delay and jitter decreased as the gas pressure increased ( t _ ( d ) p ~ ( - 1 ) if e / p > 0. 8 ( e / p ) _ ( lim )

    B :觸發延遲與聚「 z一pinch , ,加速器閉合開關技術研究之間存在一定的依賴關系,以nz為工作介質時觸發延遲上升,欠壓比越大觸發延遲對的依賴關系越弱;以nz / sf 。
  3. As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm

    在輸入耦合器方面,藉助于波導耦合和外腔式波導激光器的相關理論,設計了工藝上可行的錐型耦合器,確定了、耦合器的尺寸以及耦合器與的相對位置:耦合為65mm ,直徑為srnm ,耦合器的度為15mm ,輸入端直徑為17mm ,輸出端直徑為0
  4. Numerical result illustrates that focal length becomes longer when incident wavelength becomes shorter, however the relationship between focal length and incident wavelength is n ' t absolute inverse ratio, it is that the increasing of focal length is faster than the decreasing of incident wavelength. at the same time the numerical result also show that scalar theory ca n ' t be used in the rigorous analysis of the dispersion property of subwavelength diffractive microlens

    然後研究了亞波衍射微的色散特性,表明亞波衍射微隨著波變短而增加,但是波之間並非簡單的完全反比例關系,而是隨著波的減小增加得更快,同時指出標量理論已不能準確分析亞波衍射微的色散特性。
  5. The field distribution and propagation properties in sil system is analysed, and the relationship between the focusing spot size and the defocusing amount is also described. moreover, a novel model is proposed on basis of the fdtd analysis that can make us increase the distance between sil and recording medium without decreasing the recording density

    模擬的過程中還發現,在小尺寸sil(半徑為波量級)離時,系統點可以被推移到離sil底面較遠的位置而不會產生大的解析度損失,根據該結果我們提出了一種增大sil底面與存儲介質間的方案,該方案對于sil高密度光存儲系統的實用化研究具有重要意義。
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