optical constant 中文意思是什麼
optical constant
解釋
光性常數-
Each fringe is the locus of all points in the film for which the optical thickness is a constant.
每一個條紋就是膜上一切光學厚度為常數的點的軌跡。 -
The thickness had some influence on the development of the banded spherulites : when the thickness reduced to some degree, pcl would develop chrysanthemum - like spherulites, which had no extinction rings or the maltese cross pattern under the crossed polarized optical microscopy. the results of the phase - contrast microscopy showed that growth speed of the chrysanthemum - like spherulites along the radius was not constant
發現薄膜厚度對球晶的生長有一定的影響，當共混物膜薄到一定程度時， pcl不能形成環帶球晶，而是形成一種類似菊花狀的晶體，在偏光顯微鏡下看不到環帶，也沒有典型球晶所特有的maltese十字消光圖案。 -
The loss will be decreased by using single - mode fiber or poledzation holding fiber in recent work we measured the verdet constant of the samples and tested the chederistic of magnetic - optical glass bare fibel then, we analyzc the resource of ermrs, which are coupling effect, stability of the light source, polarizers, defects of the magnetic - optical glass flber and coupling effects between different modes
採用單模光纖或偏振保持光纖將降低損耗。論文測試了樣品的費爾德常數，研究了磁光玻璃裸光纖的偏振特性。分析了誤差的主要來源：耦合效果、光源的穩定性、偏振片對光路的影響、裸光纖自身缺點和模式耦合的影響。 -
By comparison of dielectric constant at low frequency with that at optical frequency, it proves that the dielectric polarization of a - c : f films mainly comes from the electron polarization
根據低頻和光頻介電常數的比較，發現- c : f薄膜的介電極化主要來源於電子極化。 -
The experimental result shows that inter - batch optical erasure time constant, f, is much longer than intra - batch optical erasure time constant, e, which agrees well with the theoretical prediction
實驗測出的多重全息光柵的各批間光擦除時間常數f遠大於每批內光柵間的擦除時間常數e ，與理論預期一致。 -
According to theoretical model given by a. yariv, the partial revealing effect of subsequent recording light on fixed holograms has been described, and accordingly inter - batch optical erasure time constant, f, is proposed to evaluate the optical erasure to electronic gratings compensated by ions. the special experiment for measuring the parameter f is designed and performed
依據yariv的理論分析方法，理論描述了記錄光對已定影的全息圖的部分顯影作用，據此首次提出用於量度離子補償后的電子光柵光擦除效應的批間光擦除時間常數f ，並設計實驗測得了批間光擦除時間常數f 。 -
We have the following results through simulation and experiments : i ) turbulent structure constant of atmosphere decreases with altitude ; ii ) turbulence induced power scintillation decreases with the optical wavelength ; iii ) scintillation of space - to - ground optical propagation is smaller than that of horizontal optical propagation ; iv ) power scintillation of space - to - ground optical propagation increases with wavelength ; results above are accord with existent theory. what ' s more, the last result discovers a new rule
通過對數學模型和模擬結果的分析，得到以下結論： a ）大氣湍流結構常數隨海拔高度的增加而迅速減小； b ）由湍流引起的光功率閃爍與波長呈反比； c ）空-地激光通信的光功率閃爍小於地面水平傳輸的閃爍； d ）空-地激光通信的光功率閃爍與波長呈正比；上述結果與理論保持一致。 -
Zero stress - optical constant
零應力光學常數 -
Nonlinear constant r | could be calculated according to the numbers of the diffraction rings. the sample ' s optical limiting properties were discussed. according to the experimental results, we estimated that the main mechanism of the optical limiting was from the thermo - optic effect
對2 -甲氧基5 -丁氧基取代ppv氯仿溶液進行了激光誘導自衍射實驗，根據衍射環的個數估算出了樣品的非線性常數；同時還對該樣品進行了光限幅特性的研究，由實驗結果分析得出：由光熱效應引起的自衍射是產生光限幅特性的主要機制。 -
And we also make the simulation of space - to - ground optical propagation by using the software of matlab, including scintillation, turbulent structure constant of atmosphere and spot of horizontal optical propagation
並用matlab語言實現了對空-地激光傳輸的光功率閃爍、大氣結構常數以及湍流大氣中的水平激光傳輸遠場光斑的計算機模擬模擬。 -
According to the theory of optical wave propagation in the slant path and the itu - r turbulence structure constant model, which is altitude dependent and proposed in 2001, the modified rytov method is extended to be applied to study on the problems, which waves propagate in the slant path. the scintillation index as a function of the rytov variance is obtained from weak to strong fluctuation regions with plane wave and sphere wave incidence, respectively
根據斜程傳輸理論和2001年提出的itu - r湍流大氣結構常數模型，將修正pytov方法推廣應用於斜程傳輸問題研究，得到了平面波和球面波斜程傳輸時的閃爍指數，分析了湍流內尺度、近地面風速等參量對閃爍指數的影響。 -
Measuring the relative dielectric constant of dupont 100hn and 100cr polyimide film under optical frequency
兩種聚酰亞胺薄膜光頻相對介電常數的測定 -
Study of the reasonableness of fitting model concerning dlc film optical constant
類金剛石薄膜光學常數擬合模型的合理性研究 -
Abstract : ferroelectric based nanocomposites are a new class of mesoscale functional materials which have a high dielectric constant and high electric field. recent progress in this research area is reviewed briefly, and a novel ferroelectric composite with embedded semiconductor quantum dots, including its preparation and optical properties, is reported. this material has promising applications in new electroluminescent devices and quantum dot lasers
文摘:鐵電體基納米復合材料作為一類新型功能材料，提供了一系列「高介-高場」調制的介觀系統.文章介紹了這一領域的最新研究進展，並重點報道了一類新型鐵電體基納米復合材料鐵電體半導體量子點復合材料的制備與光學性質，該材料在新型電致發光元件及量子點激光器件中有著很好的應用前景 -
We take based on humanity precision workmanship perfect design constant improvement and customers supreme as our motto, and set up our strategy in optical frame section
新穎的款式，全的品種，上乘的質量及富有競爭力的價格永遠是我們關注的目標。 -
Stress optical constant
光彈性常數 -
Growth of absorbing transparent conducting films and determination of the complex optical constant
吸收透明導電薄膜生長與復光學常數測定 -
An atmosphere structure constant cn2 model, which varies with height, is presented based on itu - r amplitude scintillation model, existing itu - r optical cn2 model and meteorologic measurement relative humidity and temperature profile data, at 10 ~ 30ghz. the log - amplitude scintillation deviation calculated in terms of the cn2 model based on humidity and temperature vertical profile compare with values predicted by means of itu - r and ortgies model. it is emerged that the calculation results based on the cn2 model agree almost with prediction results by itu - r and ortgies model at 10 ~ 30ghz and there is an advantage that relative humidity and temperature varied with height has be considered in the cn2 model
根據光波段的itu - rc _ n ~ 2模型， itu - r幅度閃爍標準偏差模型，和溫度和相對濕度隨高度變化的氣象數據，在10 30ghz ，分析得到了大氣結構常數c _ n ~ 2隨高度變化的模型；並根據溫度和濕度垂直分佈數據計算了對數幅度閃爍_ x ，還與itu - r和ortgies模型的預測結果進行了比較，結果表明，在10 30ghz ，用該c _ n ~ 2模型計算的結果和用itu - r及ortgies模型預測的值符合較好，且在用c _ n ~ 2模型計算時考慮了溫度和相對濕度隨高度變化關系。
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