chirped-grating 中文意思是什麼
chirped-grating
解釋
啁啾光柵-
In chapter 4, the spectral characteristics and its application in optical add - drop multiplexer ( oadm ) and in multi - channel dispersion compensator of linearly chirped moir fiber grating are studied. according to the coupled - mode theory and considering the construction features, we derive the couple - mode equations that describe the mode interaction in this kind of grating
首先從耦合模理論出發，結合線性啁啾moir光纖光柵的結構特性，建立了分析線性啁啾moir光纖光柵的耦合模方程，通過數值求解耦合模方程，研究了線性啁啾moir光纖光柵的光譜特性和時延特性。 -
The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time
在此基礎上，提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器（ oadm ）的結構設計方案；並設計出一種中心波長、相鄰中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。 -
Study on simulation of reflection spectrum and group delay in chirped fiber grating
啁啾光纖光柵反射譜與時延模擬研究 -
In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。 -
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。 -
Therefore, fiber gratings have numerous applications in almost all the realms of optical fiber, especially in wavelength - division multiplexing ( wdm ) all - optical networks. this dissertation presents a detailed study of the following three types of fiber gratings : fiber bragg grating fabricated with cladding mode suppression fiber, linearly chirped moir fiber grating, and long - period fiber grating with rectangular index modulation
本文以目前在wdm全光網中有良好應用前景的三種類型的光纖光柵（用包層模抑制光纖製作的光纖布拉格光柵、線性啁啾moir光纖光柵、矩形折射率調制型長周期光纖光柵）的理論和設計為研究內容。 -
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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