Well uniform gratings can be obtained and diffraction efficiency can be greatly enhanced by using this optimization scheme.
结果表明双侧紫外光照射能够实现均匀性较好的光栅,是提高衍射效率的有效途径之一。;
Meanwhile, such parameters as diffraction efficiency, deflection Angle and driving power of device have been analyzed and computed theoretically.
有效声孔径。电极厚度以及器件的声光衍射效率、偏转角度、声驱动功率等参数。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
The experimental results show that a bigger diffraction efficiency delay rate can make the establishing time of the laser pulse and the pulse width shorter, and make the peak power higher.
实验结果表明,在一定范围内增大衍射延迟速率可以缩短脉冲建立时间,缩短脉冲宽度,增加峰值功率。
Characteristic curve of dilute development, relation between the developing time, the exposure and the diffraction efficiency are given.
给出了稀释显影的特性曲线以及衍射效率与显影时间、曝光量之间的关系。
The absorption spectra, exponential gain coefficient, diffraction efficiency and effect carrier concentration of the crystal were measured.
测试晶体的吸收光谱、指数增益系数、衍射效率和有效载流子浓度。
Theoretical analysis and experiments have demonstrated that the technology can improve diffraction efficiency of MEMS blazed gratings for about 10% or so.
理论分析和实验测试证明,该工艺方法能够将MEMS闪耀光栅的衍射效率提高10%左右。
The principle and method to improve the diffraction efficiency of relief holographic gratings by plasma etch is presented in this paper.
本文提出了用等离子体蚀刻法提高浮雕全息光栅衍射效率的原理和方法。
It is verified experimentally that higher diffraction efficiency and resolution can be obtained by optical fiber image plane hologram.
认为光纤象面全息图可以获得较高衍射效率和分辨率,并对此进行了实验验证。
The factors which influence holography diffraction efficiency, the Angle selectivity of volume holography and wavelength bandwidth are analyzed with the coupled wave theory.
利用耦合波理论分析了影响体积全息图的衍射效率的因素、体积全息图的角度选择性以及波长带宽等方面。
This paper estimates the highest diffraction efficiency of embossed rainbow holograms, and costract it to measure value.
从理论上估算了模压彩虹全息片的最高衍射效率,与实测数据做了对照;
The forming mechanism, diffraction efficiency and polarization characteristic of phase gratings written in cross-linked azobenzene copolymer films under different holography modes were studied.
研究了不同偏振全息模式下基于交联偶氮苯聚合物薄膜的相位光栅的形成机理、衍射效率和偏振特性。
According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球,从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
The holograms made of this material have stronger real time effect, higher diffraction efficiency, better anti-humidity and environmental stability, etc.
这种全息材料具有较强的实时效应,较高的衍射效率,良好的抗潮能力和环境稳定性等特点。
The effect of the diffraction efficiency delay rate on the establishing time of laser pulse and the pulse shape is mainly discussed.
主要讨论了衍射效率延迟速率对输出脉冲的建立时间以及脉冲形状的影响。
In this paper the study on the dispersion theory, design, manufacture techniques, and efficiency test methods of diffraction gratings were made in a deep way.
本文对衍射光栅色散理论与光栅设计、制作工艺和效率检验方法做了较为深入的研究。
The characteristics of the diffraction efficiency, compression, cross modulation, and intermodulation intensities are analysed theoretically.
分析了多维声光衍射的衍射效率、压缩、交叉调制和互调制强度等特性。
Based on the diffraction optical principle, a formula of the diffraction efficiency and etching depth error of the microlens is obtained.
基于衍射光学原理,获得了微透镜的衍射效率与蚀刻深度误差之间的关系式。
The transmission angle is controlled by grating frequency and the diffraction efficiency is controlled by groove depth of sub-micro gratings to get uniformity of transmission filed.
亚微米光栅型导光板通过光栅空频控制出射光方向、控制槽深调节衍射效率,达到导光板出射光强的均匀性。
This paper is mainly on the diffraction efficiency when incident light is non-paralleled and the effect of the diffraction efficiency variation rate on temporal characteristics of the output pulse.
本文主要对非平行光场入射时声光衍射效率的情况以及声光开关的衍射效率变化速率对输出脉冲时间特性的影响两个方面进行了研究。
We show and illuminate that the scalar diffraction theory is an approximation method to calculate the diffraction efficiency of grating, and there are restrictions on its application.
指出全息菲涅耳透镜是一种特殊类型的光栅。分析并说明光栅的标量衍射理论是计算衍射效率的一种近似方法,因此它的应用是有限制条件的。
It has several advantages such as high diffraction efficiency, simple optical setup and convenient operation.
这种光栅具有较高的光谱分辨本领和衍射效率,而且光路简单,调节方便。
On the basis of the coupled-wave theory of local volume holography, the amplitude distribution and the diffraction efficiency of the diffracted beams are calculated.
利用局域体全息的耦合波理论,计算了该透镜衍射光的振幅分布和衍射效率。
Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure (PPMS) crystal are studied theoretically by light diffraction efficiency.
以光栅衍射理论为基础,从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
The variation of refresh rate and diffraction by opaque lattice will lead to reducing diffraction efficiency and this will increase exposure depth error.
刷新率的变化和黑栅衍射效应将导致衍射效率下降,使得曝光深度误差增加。
Then, the paper deals with the effect of the diffraction efficiency variation rate on the time required for the laser pulse to build up and the shape of the pulse.
本文还讨论了衍射效率变化速率对输出脉冲的建立时间以及脉冲形状的影响。
Finally, some suggestions are made on how to raise the diffraction efficiency and enlarge the ruling area of the grating in terms of experiment.
最后探讨了如何提高衍射效率,控制闪耀波长及增大刻划面积等问题。
Diffraction efficiency was simulated theoretically in the stable state phase during the double coherent light coupling and a maximum value of diffraction efficiency was discovered in some Angle scope.
对两束相干光写入稳态相位栅的衍射效率进行数值模拟,发现在某一角度范围内衍射效率有一最大值存在。
A holographic lens is developed and its reconstruction diffraction efficiency is as high as 63%.
实验研制了一个全息透镜,其再现衍射效率达到63%。
A holographic lens is developed and its reconstruction diffraction efficiency is as high as 63%.
实验研制了一个全息透镜,其再现衍射效率达到63%。
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