refractive index difference 中文意思是什麼

refractive index difference 解釋
等效折射率
  • 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...
  • difference : n. 1. 差異，差別。2. 不和，爭論。3. 【數學】差，差額。4. 【邏輯學】特殊性。vt. 〈罕用語〉區別，使有差別。
  1. The particularity of large - section rib waveguide with large refractive index difference in soi results in some special characteristics distinguished from other waveguides, which need elaborate explanation in theory. the large bent radius of the rib waveguide hinders the device performances from improving further, and confines the device to small channel number and simple functions

    Soi材料上大折射率差脊形波導結構的特殊性帶來了一些特殊的性質，必須從理論上深入地探討；脊形波導大的彎曲半徑在某種程度上制約了soi波導器件性能的提高，使得多通道、多功能器件的發展受到限制。
  2. Owing to their unique optical properties, such as low loss and large refractive index difference between silicon and silicon oxide, soi structures can not only be used to fabricate smart integrate photonic devices, but offer the ability to integrate photonic devices into the cmos integrated circuit ( ic ) process

    同時，它也具備許多優越的光學特性，比如低損耗（在通信波段） 、高折射率差，這使得它不但能用來製作靈巧緊湊的光集成器件，也為利用cmos微電子工藝實現光電集成提供了一個很好的平臺。
  3. In developing the planar lightwave circuits, the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered. a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance

    在平面波導光器件研製中，提出了高折射率差二氧化硅波導與光纖的新型低損耗連接，與現有波導單側變窄的結構相比較，有效的降低了連接損耗，同時具有偏振相關損耗低，工藝容差性好的優點。
  4. For example, we studied the influence of angle to the propagation efficiency of y - type embranchment and influence of calculation window size, selection of reference refractive index, the interval between dots, the difference of refractive index to the calculation of bpm

    例如： y分支的夾角對y型分支波導光傳輸效率的影響，參考折射率的選擇、計算窗口的大小、格點間距值、折射率差的變化對bpm計算精度的影響。
  5. Firstly, much effort is put into the theoretic analysis and numerical algorithm research. to calculate the mode profile of soi rib waveguide with jumps in the refractive index, a new full - vectorial finite - difference method ( fdm ) based on the lagrange interpolation of the field is presented

    由於soi材料中作為波導芯層的硅折射率很大，與作為包層的sio _ 2之間有很大的折射率差，這勢必對模擬數值演算法的精度和邊界處理等方面提出了更高的要求。
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