Bragg reflection
英
美 [bræg rɪˈflekʃn]
布腊格氏反射
双语例句
- Distributed Bragg reflection type laser
分布布拉格反射型激光器 - Numerical Model of Second Order Boussinesq Equations for Sand-bar Bragg Reflection and its Validation
适用于沙坝上Bragg反射的二阶Boussinesq方程数学模型及其数值验证 - In order to study adjustable-bandwidth optical filters, the variation of Bragg reflection bandwidth induced by electric field in cholesteric liquid crystal ( CLC) was measured and analyzed.
为了研究带宽可调型光学滤波器，采用对手性液晶膜施加电压的方法，对手性液晶布喇格反射带宽随外加电场的变化规律进行了分析和测量。 - Analysis of Chirped Fiber Bragg Grating Reflection Characteristics and Experimental Study of Grating Tuning Technology Based on Compression Bar
啁啾光纤光栅特性分析及压杆调谐技术 - Acoustic Pressure Sensitivity of Yb~ ( 3+)/ Er~ ( 3+) Co-Doped Distributed Bragg Reflection Fiber Laser Hydrophone
基于铒镱共掺分布布拉格反射式光纤激光器的有源光纤水听器声压灵敏度 - A novel tunable distributed Bragg reflection ( DBR) laser using metal coated fiber Bragg grating as the external cavity was demonstrated.
报道一种新颖的波长可调谐光纤光栅外腔分布布拉格反射激光器。 - Its resonant cavity is composed of a section of single mode Er/ Yb co doped fiber and two fiber Bragg gratings with the same reflection wavelength.
激光谐振腔由一段ErYb共掺杂单模光纤与一对布拉格反射波长相同的光纤布拉格光栅（FBG）组成。 - Based on the analytic expression of electromagnetic field solution of helical symmetric dielectric material, the paper presents the relationship between spectral reflectivity and birefringence of chiral liquid crystal, and the blue shift of Bragg reflection in the condition of oblique incidence.
依据分子呈螺旋型排列的介质的电磁场解计算了给定厚度的手性液晶的光谱反射率与其双折射的关系，依据布拉格反射的干涉条件计算了斜入射光的布拉格反射光谱的蓝移。 - When the light wavelength permeating the F-P filter equals to the Bragg reflection wavelength, there is an interrupt request signal, DSP deals with the useful information after DSP answers interruption, and then obtain the corresponding changes of the measured parameters.
当透过F-P滤波器的光波长与Bragg反射波长重合时，就产生中断请求信号，DSP响应中断后就对有用的信息进行处理，进而得到相应被测参量的变化。 - The numerical model based on VOF method gives the Bragg resonance phenomena and the resonant reflection coefficient agrees well with the result of physical experiment.
应用VOF方法所建立的数学模型，在与物理模型试验相同条件下，数值模拟反映出的Bragg共振现象及得到的最大反射系数与物理模型试验结果吻合； - Experiments demonstrated that there does exist the Bragg shift in reflection type photorefractive holographic gratings, and it increases with time similarly to the time evolution of the index modulation.
实验证实了反射型光栅确实存在布喇格偏移现象，验证了布喇格偏移量随写入时间的演变与折射率调制度随写入时间的演变有相同的规律。 - An experiment on the Bragg reflection of light from a cholesteric liquid crystal
胆甾相液晶可见光布拉格反射实验 - The Bragg reflection characteristics of the fibre grating formed by chirped ultrashort laser pulses
啁啾飞秒激光脉冲形成的光纤光栅的Bragg反射特性 - The contribution of the network is to establish random anchorage that makes the pitch variety, hence broadening the Bragg reflection spectra.
网络的作用是要在液晶层中建立随机分布的分子锚定机制，使手性液晶的螺距随位置而变化，从而展宽其布拉格反射谱。 - In addition, there are some intrinsic special properties like rotary polarization, bragg reflection, polarized light dichroism of CLC because of its helical molecular structure.
而且其螺旋状的分子排列结构，使其还具有它本身特有的光学特性，如旋光性、选择性反射特性（布拉格反射）和偏光二色性。 - A new detection method of fiber Bragg grating array using optical time domain reflection technology was investigated.
本文研究了采用光时域反射技术对串联光栅阵列的反射功率进行探测的新方法。 - Since the transversal strain and the axial strain have different contributions to the wavelength shift based on the theoretical analysis, it is possible to obtain the measurement of three-dimensional strain from the Bragg reflection wavelength variation.
根据理论分析，横向应变与纵向应变对波长漂移的贡献不一样，从而使三维应变测量成为可能。 - In this paper, we study the couple mode theory, compute the dispersion of the apodization uniform gratings in transmission, and finally compare them with the traditional chirped Bragg fiber gratings in reflection.
本文针对使用变迹均匀光纤光栅进行透射色散补偿的方案，进一步研究了耦合模理论，对其透射谱及色散进行了数值计算，并与传统的啁啾光纤光栅反射色散补偿方案作了比较。 - Random distribution of sagging structure on the surface of substrate is used to induce random screw axes of the chiral liquid crystal, which not only causes blue shift of Bragg reflection but also further stretches the reflection spectra.
基片表面的凹凸结构用于诱导液晶螺旋轴的斜向随机分布，以利用倾斜螺旋结构布拉格反射的蓝移现象，进一步展宽布拉格反射谱。 - Experiments demonstrated that Bragg reflection spectrum could be broadened from 80 nm to more than 120 nm, and the contrast reaches to 4 ∶ 1 by introducing both polymer network and sagging structure on the substrate surface of a cell.
实验证明，在液晶中引入聚合物网络和表面的凹凸结构以后，手性液晶的布拉格反射区间由原来的80nm增加到120nm以上，对比度达到4∶1左右。 - To reflect the whole visible spectrum by Bragg reflection, Δ n of the liquid crystals in plane alignment state should exceed 0.6;
若要以液晶的平面态实现整个光谱范围的布拉格反射，液晶的双折射应当达到0.6以上； - We prepared a 2D steel/ air system phononic crystal model based on the Bragg reflection mechanism. The crystal lattice constant has the same size as the sound wavelength, and the struc-ture can be modulated in two directions.
基于布拉格反射机理，自行制备了晶格常数同声波波长同数量级的二维钢/空气体系声子晶体结构模型，该模型具有双向可调性。 - The factors affecting measuring accuracy and system resolution of the sinusoidal phase modulation laser diode interferometer are analyzed and a scheme for achieving high-resolution subnanometer accuracy measurement by use of Distributed Bragg Reflection Laser Diode ( DBR LD) is proposed.
分析影响正弦相位调制半导体激光干涉仪测量精度和系统分辨力的因素，提出了用分布布拉格反射半导体激光器DBRLD实现高分辨力亚纳米精度测量的方案。 - A narrow linewidth single mode distributed Bragg reflection ( DBR) fiber laser is discussed. Through theoretical analysis, the single longitudinal mode operation domain is obtained. Then according to this theoretical result, a single mode DBR fiber laser is fabricated.
分析了单频窄线宽分布布拉格反射（DBR）光纤激光器的单模工作条件，在此基础上算出单模工作区域，制作了一个单频窄线宽分布布拉格反射光纤激光器。 - In this paper, the relation between the structure of the chirped fibre grating and the parameters of the incident femtosecond pulse is described. Numerical calculations show that the chirped fibre grating has a broad Bragg reflection spectrum.
研究了该光栅结构与入射超短脉冲激光脉冲参数的关系，数值计算表明该光栅具有较大的Bragg反射带宽。 - The determination of composition of Ag film on X-ray diffractometer is presented. The asymmetrical Bragg reflection STD scan mode with the conventional X-ray diffraction CBD mode is used to determine phsae composition and orientation of Ag film.
利用不对称布拉格反射STD（sampletiltingdiffraction）扫描模式与常规CBD（conventionalBraggdiffraction）扫描模式，确定Ag膜的结构及取向。 - Analysis of Bragg Reflection of Cholesteric Liquid Crystals Using Dynamical Reflexion Theory
利用动态反射法对手性液晶Bragg反射的分析 - The input field can also be guided along the multimode region with high efficiency due to the combination of TIR effect and distributed Bragg reflection even if there has no photonic band gaps ( PBGs) when the effective index of the guided region is larger than ambient ones.
当多模导光区的有效折射率大于环境折射率时，即使没有光子带隙，输入光场能依据全内反射和布拉格反射的联合效应而沿着多模导光区高效地传输。 - Through innovatively using of highly saturated fiber Bragg grating as the reflection grating in fiber laser, we achieved that the matched fiber Bragg gratings after annealing at high temperature still have sufficient stability reflectivity.
通过创新的利用写制高度饱和光纤光栅作为光纤激光器的反射光栅，从而实现高温环境下光纤光栅退火之后仍然具有足够的反射率保证激光腔稳定产生出激光。 - Cholesteric liquid crystal has unique optical properties, rotary effects, bragg reflection and so on; After surface treatment or by adding polymer, cholesteric liquid crystals can be used for reflective bistable liquid crystal display.
胆甾相液晶具有独特的光学性质，旋光效应、布拉格反射等；经过表面处理或者添加聚合物的胆甾相液晶可以用于反射式双稳态液晶显示器。