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反射谱     
相关语句
  reflection spectrum
    Compared with the linearly chirped grating , the grating with cladding being etched as hyperbolic function has a ideal rectangular reflection spectrum.
    与线性啁啾光纤光栅相比,此种结构的光栅具有更理想的矩形反射谱,在适当的光栅参数及外加拉力条件下,这种光栅反射谱的BWU值可达到0.990 4,其-3dB处的带宽可达40.7nm。
    Theoretical and experimental research on reflection spectrum characteristic of tilted fiber Bragg grating
    倾斜Bragg光纤光栅反射谱特性理论和实验研究
短句来源
    Using the couple mode theory, the reflection spectrum, the peak reflectivity and the reflection bandwidth of several typical fiber grating filters have been theoretically analyzed and numerically simulated.
    利用耦合模理论,对几种典型的光纤光栅进行了研究。 数值模拟了它们的反射谱分布、峰值反射率以及反射带宽随光纤光栅的长度和光栅折射率的调制深度的变化关系。
短句来源
    A new fast photoelectric recognition method of object colour isdiscribed, which is to determine object colour by use of the photovoltage ratio between two special colour light in transmission or reflection spectrum.
    论述一种物体颜色的快速光电识别新方法,即利用透射谱或反射谱中二特殊色光的光电压比值来确定物体颜色类别。
短句来源
    In this paper, the reflection coefficient of middle 1/R cantor potential barrier are calculated by the method of interference matrix. The results obtained show that there is self similarity in reflection spectrum. This property will be applied in other fields.
    提出描述微观粒子在分形势垒传播行为的干涉矩阵,利用分形势垒的自相似性及对称性导出计算1/R居中Cantor分形势垒总干涉矩阵的矩阵迭代关系,在不同的势垒高度V0和参数R下,计算了该分形势垒的反射系数,结果表明,其反射谱具有分形的自相似特性,这一研究成果可望在其它领域中得到应用
短句来源
更多       
  reflective spectrum
    The Influence on Reflective Spectrum of Fiber Grating
    非均匀温变场对光纤光栅反射谱的影响
短句来源
    Response of Fiber Bragg Grating Reflective Spectrum Expanding to Uneven Distribution Strain
    光纤光栅反射谱对非均匀应变的展宽响应
短句来源
    Fiber Bragg Grating Reflective Spectrum under Uneven Distribution Strain
    非均匀应变条件下的光纤光栅反射谱
短句来源
    Superposition Characteristics of the Reflective Spectrum of Dual FBGs
    双光纤Bragg光栅反射谱叠加特性分析
短句来源
    2) Using transfer matrix method we make numerical analyses for the reflective spectrum of sampled grating and get the rules how grating's parameters influence the reflective spectrum.
    2) 用传输矩阵法对取样光栅的反射谱特性进行数值模拟分析,得到光栅各参数的变化对取样光栅反射谱特性的影响规律。
短句来源
更多       
  reflection spectra
    Effect of Thickness Deviation on the Reflection Spectra and Phase Shift of VCSELs
    厚度偏差对VCSEL的反射谱和反射相移的影响
短句来源
    Using K-K relation, the data of reflection spectra of heavily-doped N-GaAs and N-InP are processed in the range of 50~2750cm~(-1) with 170SX model FT-IR instrument. The frequency of plasma ω_p, the damping coefficient γ, the free carrier concentration n, the mobility μ and the resistivity ρ are obtained.
    基于K-K关系对高掺杂Ⅲ-Ⅴ族化合物半导体N-GaAs和N-InP的反射谱用170SX型FT-IR仪器在50~27500cm~(-1)范围进行了数据处理,求出等离子体频率ω_p、阻尼系数γ、载流子浓度n、迁移率μ、电阻率ρ等重要的电学参数。
短句来源
    The numerical fitting of the far-IR reflection spectra(70~360cm~(-1)) of the polycrystalline YBa_2Cu_3O_(7-δ) is given, using the Drude and its modified models. The curves of plasma frequency vs temperature and the gap frequency vs temperature are obtained, respectively. The drastic change in the strength of the 150cm~(-1) phonon at low tempcrature is found.
    利用Drüde及改进的Drüde模型对YBa_2Cu_3O_(7-δ)的远红外(70~360cm~(-1))反射谱进行了数值拟合,进一步得到等离子边频率及能隙频率与温度的关系,发现了150cm~(-1)声子在低温时其强度发生强烈变化,用双极化机制解释了这些现象。
短句来源
    Five characteristic reflection peaks and three inversion structures have been observed in the far-infrared (40~360cm~(-1)) reflection spectra common to all these materials. In the mid-infrared region, there is another characteristic reflection peak of 580cm~(-1). In the absorption spectra two peaks have been found at 580~590 and 615~627cm~(-1).
    在远红外(40~360cm~(-1))反射谱中观察到5个特征反射峰和3个反转结构,在中红外反射谱中有一580cm~(-1)峰,在中红外吸收谱中有580~590cm~(-1)和615~627cm~(-1)两个峰。
短句来源
    The transmission and reflection spectra at wavelength between 0. 2 and 6. 0 μm, and photoluminescence spectra of Cd2SnO4 films deposited by RF reactive sputtering from a Cd-Sn alloy target have been measured. The optical properties of Cd2SnO4 films are analyzed and calculated theoretically in detail.
    报道了射频反应性溅射Cd-Sn合金靶沉积的Cd_2SnO_4(简称CTO)薄膜在0.2~6.0μm波长范围内的透射和反射谱及其光致发光谱的测量结果,并由此对CTO膜光学性质进行了较详细的理论分析和讨论.
短句来源
更多       
  reflectance spectrum
    An algorithm for improving precision of fiber grating's reflectance spectrum
    一种提高光纤光栅反射谱精度的算法
短句来源
    The transmission and reflectance spectrum of the sample showed a clear transmission valley/reflectance peak at 534 nm, indicating that the PC had a large photonic band gap in the range of visible wavelength.
    紫外一可见光透射/反射谱测量发现在534nm处出现一个很强的透射谷/反射峰,表明该光子晶体在534nm的可见光范围内存在一个较宽的光学带隙(PBG)。
短句来源
    The variation of reflectance spectrum induced by injection carrier in GaAlAs film is studied experimentally. The variation curves of reflectance spectrum after the carrier With the different concentration in GaAlAs film are given . This paper also gives the relation curve between the reflectance spectrum change and injection carrier concentration.
    实验研究了GaAlAs膜反射谱的注入载流子感生变化,给出不同浓度载流子注入后膜反射谱变化曲线及其与注入载流子浓度的关系曲线。
短句来源
    Based on the coupled mode theory,the chirped Moire grating formed by tow linear chirped fiber gratings was analyzed in detail via the matrix approach. A deeper insight into the relationship among its reflectance spectrum,time delay and the grating parameters,such as the length of the chirped Moire grating,the chirp parameter and the peak refractive index modulation,was obtained.
    从耦合模理论出发 ,用矩阵分析法分析由两线性啁啾光纤光栅构成的啁啾叠栅光栅的反射特性和时延特性 ,分别得到光栅长度、啁啾系数和折射率变化峰值对反射谱及光栅时延的影响
短句来源
    Results indicate that the reflectance spectrum shifts much due to the variation of periodic thickness. We also conclude that decreasing the thickness of thin-film layers with high refractive index can decrease the loss of DBR and increase its reflectivity. Moreover,changing contrarily the thickness of top and bottom DBR can increase the side-mode suppression ratio (SMSR) of vertical-cavity surface-emitting lasers(VCSEL).
    结果表明 ,周期厚度偏差将使DBR反射谱发生较大偏移 ,在相位匹配条件下减小高折射层厚度可以降低DBR吸收损耗、提高反射率 ,反向改变顶层和底层DBR周期厚度可以提高垂直腔面发射激光器边模抑制比
短句来源

 

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  reflection spectrum
Interband absorption and features in the reflection spectrum due to interband transitions have been calculated for an arbitrary ratio between the radiative and "phonon" lifetime of a combined polaron have been investigated.
      
Reflection spectrum of a cholesteric liquid crystal with structural defects
      
New qualitative features appear in the reflection spectrum of a cholesteric with two defects as the distance between them varies.
      
Method of the ratio of envelopes of the reflection spectrum for measuring optical constants and thickness of thin films
      
A spectrophotometric method is proposed that uses the ratio of envelopes of minima and maxima of the interference reflection spectrum for measuring optical constants of a film on a substrate.
      
更多          
  reflective spectrum
When the films were irradiated with a white light source, the reflective spectrum was changed by varying the incident angle, indicating its possible use as a monochromator.
      
The change in the reflective spectrum was explained using effective medium approximation combined with a simple Bragg reflection equation.
      
  reflection spectra
The IR absorption and reflection spectra of systems composed of (H2O)i, N2O(H2O)i, and (N2O)2(H2O)i clusters (2 ≤ i ≤ 20) are obtained on the basis of these functions.
      
The IR reflection spectra of nitrided layers of the TF10, TF5, and TF8 glasses are analyzed.
      
The diffuse reflection spectra of the initial and heated powders of the PbSe compound are measured.
      
CO2Laser Photochemical Hole Burning in the IR Reflection Spectra of Crystalline Natural Silicates
      
The IR reflection spectra of nepheline KNa3[AlSiO4]4and rhodonite CaMn4[Si5O15] were measured before and after exposure to laser radiation.
      
更多          
  reflectance spectrum
At implantation temperatures of 50 and 60°C, the reflectance spectrum contains overlapping bands with two selective maxima.
      
The corresponding diffuse-reflectance spectrum indicates the C2v symmetry of the cyclopropane complex with Ca ions.
      
A reflectance spectrum of A-asteroid 446 Aeternitas was numerically simulated.
      
Due to this, an interference pattern depending on the optical constants and the thickness of the film under study will be observed in the reflectance spectrum.
      
The method of envelopes of the extrema in the reflectance spectrum that is based on the iterative approach is developed for studying two-film systems.
      
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