photonic crystal 中文意思是什麼

photonic crystal 解釋
光子晶體
  • photonic : 一種用以描述
  • crystal : n 1 結晶，（結）晶體；晶粒；水晶（＝rock crystal）；石英。2 【無線電】晶體。3 結晶玻璃；雕玻璃；...
  1. In a photonic crystal the elements are about the same size as the wavelength of light ? a few hundred nanometres ( billionths of a metre )

    在光子晶體中，其成分與光的波長是同樣的大小? ?幾百納米（一米的十億分之一） 。
  2. In this thesis, a new finite difference time domain ( fdtd ) method is developed to treat a two - dimensional photonic crystal consisting of nearly - free - electron metals. the method is used to calculate the band structures and investigate defect modes and guide modes in such a photonic crystal

    本論文首先發展了一種基於等離子模型的有限差分計算方法，並應用於二維金屬光子晶體，有效地計算了該類光子晶體的能帶結構。
  3. Performance investigation of photonic crystal with flawed and nonperiodic structures

    缺陷和變周期結構光子晶體特性研究
  4. This paper derived the transfer matrix of the bilayer structure composed of left - handed and right - handed materials, and computed the density of states ( dos ) along the axis of the finite one - dimensional photonic crystal, which was constructed out of n such bilayer structures periodically

    摘要推導出了由左右手材料構成的雙層結構的轉移矩陣，計算了由n個該雙層結構周期性排列所形成的一維有限長度光子晶體沿其軸線方向的態密度。
  5. In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system

    周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波系統，考慮到目前大部分高功率微波器件的慢波系統多採用圓柱周期結構，在論文第四章中，在圓柱坐標系下，給出了差分方程和周期性邊界條件的具體形式，同時編寫程序，分析了milosws ，盤荷慢波結構的色散特性。
  6. Application of photonic crystal in radar crosssection reduction of scattering on airplane canopy

    光子晶體在座艙罩雷達散射截面減縮中的應用
  7. So it can reduce the light leaking loss of a 2 - d photonic crystal defect waveguide

    本論文對空氣橋結構光子晶體帶隙限制光波導及其接續光波導的製作工藝進行了研究。
  8. The quartenvave film stack based on one dimensional photonic crystal technology is designed. the measurement of the ir band is relatively mutual while that of mmw band is lack of report. the reflectivity of ir area ( 3 - 5 m ) by fourier transform infrared spectrometer ( ft - ir ) is given, and the experimental data of mmw band in microwave network analysis is also given

    本文給出了直接在傅立葉紅外光譜儀中進行的紅外波段透射率（實際是反射率）測量結果，在毫米波波段，通過自行設計的測試方法與測試系統，給出了在hp8510矢量網路分析儀下測得的未鍍膜、鍍膜樣品的比對測試結果。
  9. Structure of basic period of one - dimensional photonic crystal and the characters of forbidden bands

    一維光子晶體的基本周期結構及其禁帶特徵
  10. Modulation on widening photonic forbidden band of one - dimensional photonic crystal by optical thickness

    光學厚度對一維光子晶體禁帶寬度的調制
  11. I find it is useful to create photonic crystals with big complete forbidden bands by changing the translational symmetry of the photonic crystal

    我在這篇論文中把破壞簡並製造大的完全禁帶的問題轉化為改變光子晶體平易對成性問題。
  12. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下，三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用，兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質，這不僅依賴于兩個上能級與禁帶的相對位置，同時也依賴于原子的初始狀態，而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同，也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  13. The results show that the factors are the refractive index, thick ness, layer number of one - dimensional dual photonic crystal, polarization and incident angle of incident ray

    結果表明：組成一維二元光子晶體的折射率、厚度、層數、入射角、光源的偏振態等都對透射特性有影響。
  14. The design of amorphous photonic material and photonic crystal devicements we design to make a reflecting mirror of cylinder paraboloid of an antenna by using amorphous photonic materials. we calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. the result shows that it can be used as a reflecting mirror of an antenna

    非晶光子材料和光子晶體器件的設計提出了用介質圓柱光子晶體作微波天線的柱拋物面反射鏡，用多重散射方法計算了反射鏡的透過譜，並模擬計算了天線的電場分佈，初步認為可以用非晶光子材料作微波天線的反射鏡。
  15. After some band structure analysis with the fast method, some interesting results are found for a 2d photonic crystal formed by a rectangular lattice of dielectric material gaas ( e = 11. 4 ) and air

    對一種長方晶格結構的光子晶體，通過反復調節介質柱的長、寬和晶格的長、寬，得到該結構最大絕對禁帶寬度= 0 。
  16. Effect of structure and defect on photonic band gap of 2d photonic crystal

    二維光子晶體結構和缺陷對光子禁帶的影響
  17. 2. on the degeneracy properties in the dispersion relation of photonic crystal it is an intractable problem to explain the dispersion relation and degeneracy properties in it for photonic crystals

    光子晶體色散關系中簡並結構的理論研究對于光子晶體的頻帶結構和頻帶結構中的簡並一直是一個備受關注的問題。
  18. Long - period gratings inscribed in photonic crystal fibers

    基於光子晶體光纖的長周期光柵
  19. Fdtd analysis of dispersion characteristics of 2d dielectric photonic crystal described by effective permittivity in grid

    採用等效介電常數時域差分法分析二維介質型光子晶體色散特性
  20. Design of super narrow band and comb - shaped multi - channel photonic crystal filters

    超窄帶和梳狀多通道光子晶體濾波器設計
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