uniform grating 中文意思是什麼
uniform grating
解釋
均勻光柵-
According to fourier analysis theory and the results of coupling theory of uniform fiber grating, the spectral characteristics of sampled fiber grating is studied theoretically and the formula about its overall envelop, peek interval and the number of these peaks are obtained
摘要運用傅立葉分析與均勻光纖光柵耦合模理論的結果，對取樣光纖光柵的光譜特性進行了理論研究，得到取樣光纖光柵反射峰包絡、反射峰間隔和反射峰數量的理論計算公式。 -
In this paper, on the basis of increasingly mature fabrication technologies of planar integrated waveguide and the optical fiber grating, we make use of not only the ( de ) multiplexing and wavelength router characteristic of arrayed waveguide grating ( awg ), but also the dispersion peculiarity of uniform fiber bragg grating ( ufbg ). then a kind of dispersion compensator, which can compensate the dispersion of the optic signal in every channel in the wdm system respectively, is devised. the method makes the compensation efficiency maximum theoretically
本文結合近幾年來日益成熟起來的平面集成波導製作工藝和光纖光柵製作技術，利用陣列波導光柵（ awg ）的復用特性和波長路由選擇特性與均勻光纖光柵（ ufbg ）的色散特性，提出了一種能對wdm系統中各分波光信號分別進行有針對性色散補償的補償器件，該器件使wdm系統中各分波光信號所得到的色散補償在理論上達到很高效率。 -
Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together
本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。 -
Introduced a new way for dispersion compensation in transmission using uniform fiber bragg gratings. at the last, the analysis of fiber grating production with a phase mask was carried out. based on diffraction and interference theories, we access the near - field optical intensity distributions produced by a periodic mask and draw the important conclusion that we must put the mask near the fiber as we can in the experiment
最後論文討論了光纖光柵的製作，分析了掩膜板后干涉光場的分佈，指出了掩膜板製作應該盡量實現零級抑制，且在系統調試中，光纖要盡量靠近掩膜板放置這一重要結論，在此基礎上利用現有實驗設備製作出了光纖光柵，研究了不同曝光條件對光柵製作的影響，並利用實驗分析了光柵的溫度穩定性。 -
2 、 several theory analysis method for fiber grating properties is well introduced, the spectrum properties of uniform bragg fiber grating 、 distributed feedback fiber grating 、 f - p cavity 、 tophat fiber grating 、 sampled fiber grating 、 chirped fiber grating and apodization of fiber grating is simulated by using these method
2 、詳細介紹了光纖光柵的幾種理論分析方法，並應用這些方法對各種不同的光柵器件特性進行模擬計算，包括均勻周期布拉格光柵、分佈反饋式光柵、法布里玻羅腔、 tophat光柵，取樣光柵，啁啾光柵及光纖光柵切趾等。 -
The characteristic of the grating groups can be achieved with better precision and higher speed than other methods. by using this method, we can perform analysis and optimization design with a class of non - uniform structures
它成功地提高了光纖光柵組的分析速度和計算精度，對解決非均勻性問題的分析和優化設計進行了有益的探索。 -
The analysis in this paper demonstrates the power of the transfer matrix method, which can get the features of aperiode fiber grating fastly, referent the papers [ 1 - 2 ] ( published ). 3 ) in terms of the theoretical mode of mfc, the effect of mfc parameters on its features - chirped moire fiber grating and moire fiber grating formed by two uniform fiber grating with different central wavelengths, is discussed individually. by comparison between the two kinds of mfc, chirped moire fiber grating is better for owdm, referent the paper [ 3 ] ( to be published )
3 ）從摩爾光纖光柵的理論模型出發，分別討論啁啾摩爾光纖光柵和由兩中心波長不同的均勻光柵構成的摩爾光纖光柵的各參數對其特性的影響，對比這兩種摩爾光纖光柵的特性，發現啁啾摩爾光纖光柵更適合光波分復用系統的要求，參考待發論文[ 3 ] 。
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