refractive index index 中文意思是什麼

refractive index index 解釋
屈光指數
  • refractive : adj. 折射(光線等)的,有屈折[折射]力的。 refractive index 折射率,屈折率;折光指數。
  • index : n (pl es dices )1 索引。2 指標,標準,標志。3 示[食]指 (=index finger)。4 指數。5 【印刷】指...
  1. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    討論了入射角、入射方位角、入射光波長、光柵柵距、介質折射率與矩形光柵衍射級次數目間的關系。
  2. An inconvenience of prism couplers is that the prism material must have a high refractive index.

    棱鏡耦合器的一個不方便的地方是棱鏡材料必須有較高的折射率。
  3. The theoretical expression of the critical angle is acquired, showing that it rises with the increase of the depth and period of modulation of refractive index. also, it increases as the beam width decreases

    從理論上得到了該臨界角的表達式,它隨折射率調制周期、調制深度的增加而增大,且光束越窄臨界值越大。
  4. This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal

    本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析,理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。
  5. In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive

    反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在前,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射率標準超半球型浸沒透鏡,滿足小光敏面探測器接收。
  6. 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。
  7. The function n(x, y)is known as the refractive index profile.

    函數n(x,y)稱為折射率分佈。
  8. Description of irregular inhomogeneous refractive index field

    無規則非均勻折射率場描述
  9. The refractive index and the changing behaviour of the a - sic : h films were calculated by using uv - vis - nir spectroscopy interference wave and it was found that the hydrogen content and ir transmittance were decreased with y rays irradiation dose. lt is very interesting that the sp ' c - h bonds were observed by the raman spectra for the first time and expand the application scopes of raman spectroscopy in structure analyse fields

    根據uv ? vis ? nir光譜中的干涉條紋,計算出了y射線輻照下a - sic : h薄膜的折射率及其變化趨勢,並由此得出y射線輻照導致其氫含量變小及紅外透過率變小的結論。有趣的是:還首次用raman光譜觀察到了dlc薄膜中sp ~ 3c - h鍵隨輻照劑量改變的變化規律,擴大了其在結構分析領域中的應用。
  10. The refractive index of a substance is determined by two properties known as the electrical permittivity and the magnetic permeability

    物質的折射率由兩項性質決定,分別是介電常數和磁導率。
  11. This hand refractometer rhl - 300 is used for measuring the refractive index of vegetable oil, petroleum, oil slicks, etc

    潤滑油折射計rhl - 300手持折射儀適用於測量石油潤滑油食品油等的折射率。
  12. Standard test method for the automated determinaton of refractive index of glass samples using the oil immersion method and a phase contrast microscope

    用油浸法和相襯顯微鏡自動測定玻璃樣品的折射指數的標準試驗方法
  13. A planar film of refractive index nf is sandwiched between a substrate and a cover material.

    折射率為nf的平面薄膜夾在感光襯底和覆蓋層之間。
  14. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測量所得折射率分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用光線追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進行了總結分析,發現效果提高並不明顯,進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑,並用光線追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。
  15. Chapter 5. based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i

    第五章從測量所得折射率分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用四階runger - kutta方法進行光線追跡,計算了此種梯度球的縱橫向球差等光學特性,給出所製作梯度折射率微球透鏡成像性能的評價。
  16. Determination of refractive index of technical quinoline

    工業喹啉折射率測定方法
  17. The refractive index n(x) varies gradually over the cross-section of the guide.

    折射率n(x)在波導截面內是逐漸變化的。
  18. Optical interference takes place in a thin transparent wedge of refractive index m.

    光的干涉發生在折射率為m的薄的透明的楔形物里。
  19. Additional contributions to the refractive index are expected to come from the dopant(6. 8)as well as from the electro-optic effect.

    預料其它對折射率的影響來自摻雜劑以及電光效應。
  20. Numerical calculations have been made for wave-guides with a core of rectangular cross-section embedded in a uniform surround of lower refractive index.

    對于掩埋在較低折射率的均勻介質中的距形截面芯子的波導曾作過數值計算。
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