1) reflection spectrum
反射谱
1.
Study on simulation of reflection spectrum and group delay in chirped fiber grating;
啁啾光纤光栅反射谱与时延仿真研究
2.
Photonic band gap was theoretically calculated by using the finite different time domain (FDTD) method, and the reflection spectrum was measured experimentally using the microscope infrared spectrometer instrument.
利用反应离子束刻蚀设备制备了硅基的两维空气柱光子晶体 ,并用红外显微镜测试了样品的反射谱 。
3.
The influence of the thickness deviation on the reflection spectrum of semiconductor materials DBR was analyzed using the transfer matrix method.
应用传输矩阵方法分析了厚度偏差对半导体布拉格反射镜(DBR)反射谱的影响,并利用这种影响提出了一种金属有机化合物汽相淀积(MOCVD)制备布拉格反射镜精确确定外延厚度的方法。
2) reflective spectrum
反射谱
1.
Research of the optical devices based on reflective spectrum characteristics for the sampled grating;
取样光栅的反射谱特性及其应用
2.
Using transfer matrix method of photonic crystal,the changing laws of the sampled fiber grating reflective spectrum are studied when the parameters such as the length L,the period LA,the refractive index modulation depth δneff and the sampling rate p change.
将取样光纤光栅近似为引入多个有规律的大尺寸缺陷的一维二元光子晶体,运用光子晶体传输矩阵理论分析了其长度L、周期LA、折射率调制量δneff和采样率p等参量对其反射谱的影响规律,并将所得结果与用取样光纤光栅传输矩阵法计算所得结果进行了比较,得出了用光子晶体理论分析与用传统的模耦合理论分析相吻合的特性。
3.
The superposition characteristics of the reflective spectrum of dual FBGs probe is discussed in detail.
对此传感器的双光纤光栅测量探头存在的反射谱叠加问题进行了较为详细的讨论,指出在光纤光栅反射谱带宽内叠加将产生反射谱畸变,降低测量系统的分辨率,同时提出了解决方法。
3) reflection spectra
反射谱
1.
For the transmission spectra can not measure film thickness of GaN on Si which is opaque, A mothod using reflection spectra is given .
针对Si衬底不透明而无法采用透射谱测量GaN薄膜厚度问题,应用反射谱测量,同时结合晶体薄膜的干涉效应原理,并考虑到晶体折射率随光子能量变化的因素,从理论上推导出了实用的薄膜厚度计算方法,从而得到实现材料特性的方便表征和MOCVD设备的在线薄膜厚度测量的新途径。
2.
The effect of thickness deviation on the reflection spectra and phase shift of VCSELs has been analysed using optical transfer matrix method.
采用光学传输矩阵方法分析了厚度偏差对VCSEL的反射谱和反射相移产生的影响。
3.
It shows that if the reflection spectra R( Δ β) of an apodized weak FBG is needed to be narrowed to ′1/n′, i.
利用介质光波导耦合模理论 ,证明了弱扰动的光纤光栅具有一个重要特性放缩特性 ;即如果光纤光栅的折射率扰动分布沿光纤轴放大α倍 ,同时扰动强度缩小α倍 ,那么光栅的反射谱就以共振波长为中心在波长轴上缩小α倍。
4) reflectance spectrum
反射谱
1.
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
2.
The reflectance spectrum and the reflective phase shift are calculated for an abrupt GaAs/Al_(0.
1As DBR和渐变型DBR的反射谱和反射相移,分析了渐变层对DBR反射率和反射相移的影响。
3.
The reflectance spectrum and the reflective phase shift are calculated for GaAs/Al_ 0.
建立了非均匀渐变界面AlyGa1-yAs的折射率模型,并得到了渐变界面特征矩阵的解析解,通过特征矩阵法分别计算了突变GaAs/Al0·9Ga0·1AsDBR和渐变DBR的反射谱和反射相移,分析了非均匀渐变层对DBR光学特性的影响,对渐变DBR,需要在DBR前面再增加一定厚度的非均匀渐变相位匹配层才能使整个DBR满足中心波长相位匹配条件,并通过光学厚度近似方法求出相位匹配层厚度。
5) reflected spectrum
反射谱
1.
Properties of reflected spectrum of femtosecond light pulse in far zone.;
飞秒脉冲的远场反射谱特性
2.
This paper reported the method of curvilinear regression for sample of FBG reflected spectrum,which measure Bragg wavelength of FBG by using nonlinear regression analysis to fit the parameters of Gaussian function,could reduce the noise interference on the measuring FBG Bragg waveleng.
将得到的FBG反射谱采样值,采用高斯曲线拟合的方法进行回归分析,通过拟合得到的高斯函数参数值来获得相应Bragg波长值,降低了光噪声对光纤Bragg光栅中心波长测量的影响。
3.
In comparison with the effect to temperature to the wavelength of reflected spectrum, the effect of strain to the bandwidth of reflected spectrum could be neglected.
与温度对光纤光栅反射谱波长的影响相比 ,对其带宽的影响可忽略。
6) reflection spectrum
反射光谱
1.
A research of thickness measurement of nano-porous alumina films based on reflection spectrum;
纳米多孔氧化铝薄膜厚度的反射光谱测量方法研究
2.
With Taihu Lake as the area of study,the reflection spectrum of water body and water quality of surface layer of Taihu Lake were detected,and the spectrum characteristics of chlorophyll were analyzed.
以太湖为研究区域,测试水体的反射光谱和表层水质并分析叶绿素的光谱特征,对比MODIS波段并找出与叶绿素a质量浓度相关性较好或对叶绿素a质量浓度变化较为敏感的波段,根据主成分变换后的MODIS图像色调对太湖进行分区并分别用主成分、单波段及波段组合因子建立各区内相应的叶绿素a质量浓度估测模型。
3.
The reflection spectrum of Methyl Red doped PMMA was measured and modified.
测量了偶氮染料甲基红掺杂PMM A薄膜的反射光谱,并对测量结果进行了修正。
补充资料：《佩文斋广群芳谱·药谱》
《佩文斋广群芳谱·药谱》 《佩文斋广群芳谱·药谱》 药学著作。又名《广群芳谱·药谱》。八卷。清·刘灏著。刊于1708年。本书为《佩文斋广群芳谱》卷九十三-一百，共收药物720余种，系在《二如亭群芳谱·药谱》的基础上增补而成。每种药物标记的“原”字下，均为《群芳谱》原文，“增”字下，为新增加的内容，特别是新增的“汇考”及“集藻”二项，补充各种文史资料尤为丰富。此外还新增补了一些新药。但却删去了原书中种植、修治、服食、疗治等内容。现存三种清刻本，及商务印局馆铅印本。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条