In the terms of the Bragg-mismatch,the thickness s.
根据该光致聚合物材料的布喇格偏移,得出样品厚度缩皱百分比约为1。
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。
Birefractive index and Bragg diffraction have been oboserved and measured in the crystals.
测量和研究了晶体的双折射率和布喇格衍射。
The elementary principle of the method is to get out acoustic information from acoustic solid medium firstly through Bragg diffraction,and then to measure the difference of deflection angular from reference beam of light.
该方法的核心是通过声光布喇格作用,把SAW陀螺效应引起的声速变化信息寄载到布喇格衍射光中,通过检测布喇格衍射角度推算出固体介质的旋转角速度。
The principle of the two dimensional acoustooptic Q switch is presented,the formulas of the diffraction efficiency and diffraction loss of the AO Q switch with normal Bragg diffraction is derived,the relationship between One dimensional and Two dimensional Bragg diffraction is analyzed.
描述了两维声光Ｑ开关的基本原理，详细推导出正常布喇格衍射的两维声光Ｑ开关衍射效率和衍射损耗的表达式，分析了两维布喇格衍射和一维布喇格衍射之间的关系，并给出了在驱动功率４０Ｗ、光束直径５ｍｍ、光波长１。
The linear tuning of FBG Bragg wavelength is increased by applying cantilever beam and double-FBG.
利用光纤布喇格光栅的调谐特性,提出一个在光纤光栅调谐范围内对光纤光栅的布喇格波长、波长的漂移以及引起光纤光栅波长漂移的物理量进行检测的方案。
An effective method for adjusting the Bragg wavelength of fiber grating is reported in thispaper.
本文报道了一种改变光纤光栅布喇格波长的有效方法。
With compounding of two pieces of off-axis holographic lens, the anaberrational design is carried out by this method under Bragg conditions.
该设计方法采用两片离轴全息透镜复合,按使用情况在布喇格条件下进行消像差设计。
The holographic lens, which is designed according to Bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow-band condition.
该方法采用双片离轴全息透镜复合，按使用条件在布喇格条件下进行消三级像差设计，制作设计的全息透镜具有高衍射效率高、像差小的特点，可以满足任意给定的窄带光场合。