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The infrared coupling optical system is a middleinfrared system with a long focal length, larger field and telecentric beam path in image space, which is required to match with the parameters of two homing optical systems.

该红外光学系统是一个要求与2个导引光学系统的光学技术参数相匹配的长焦距、大视场和具有像方远心光路的中红外光学系统。

The effects of interaction between optical brighten agent and PCC fillers on the optical properties of the handsheets were studied.

摘 要：研究了荧光增白剂与PCC的相互作用对纸张光学性能的影响。

The colour of pigment is characterizated by means of energy spectrum, reflectivity, chrominance value, coating rate and specific surface. The relationship between optical thickness and rainbow effect, optical properties and law of periodic progressively change are also discussed.

通过电子能谱、光谱反射率、色度值、涂覆率及比表面积等的测试，表征了颜料的组成及颜色，归纳出涂层的光学厚度与虹彩效应、光学性能的关系及周期性递变规律的机理。

For the wavelength assignment in all-optical network, our research include:(1) For the wavelength assignment on ring optical networks with fixed wavelength converters, we use permutation group to study the ability of wavelength converters, and design an assignment algorithm, which can give a good assignment scheme in any general case.

其中，在全光网的波长分配方面，主要包括：（1）对于环形光网中固定波长转换器的情况，采用置换群来刻画转换器的能力，在此基础上提出了一个对于一般情况能够给出较好波长分配方案的算法。

In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. Using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle,"honeycomb"and"snowflower" pattern with different spatial perturbation functions. Different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback.

第二部分，利用延时反馈的空间微扰方法研究了环形腔中二能级介质的光学时空斑图的控制，在不同的微扰函数作用下，出现了滚筒状、四方形、六角形、蜂窝状、同心圆以及"雪花"状等不同的斑图，并且在相同的微扰函数下出现了不同斑图之间的竞争，这种竞争是我们发现的这一具有空间微扰的延时反馈非线性光学系统光学斑图的新特征。

Also, to study the subluminous phase velocity in optical field is meaningful and fundamental from the view of basic research in optical theory.

另外，相速度本身是光场传播理论中的一个基本问题，研究光场低相速度区存在的一般规律，也是一个有意义的基础性研究课题。

Phenix Optical Instruments Group is a key domestic high and new technical enterprise with a 43-year history, the first listed company in China's optics industry, and the largest enterprise producing optical instruments in China's optics industry.

凤凰光学集团是一个有着43年历史的国家重点高新技术企业，中国光学行业第一家上市公司，也是我国光学行业中最大型的光学仪器生产企业。

The optical properties, fluorescence quantum yields and electrochemical properties of these polymers were investigated. It was found that the optical properties of the polymers did not show obvious dependence on the alkyl length on phenylene.

苯环上烷基侧链长度的改变对取代共聚物的光谱、电化学和发光效率等影响很小；而随着苯环上烷氧基侧链长度的增加，聚合物的光谱稳定性逐渐增强，荧光发射光谱中的0-1转变逐渐被抑制，荧光发射半峰宽减小。

The underwater photomicrography optical system against little bubbles is analysed. The main technical indexes of optical system and the signify parameters of image gathering system are ascertained. Some key techniques such as depth of field, lighting, etc.

分析了针对水下小气泡的水下显微摄影光学系统，确定了其主要技术指标和图像采集系统的重要参数，讨论了水下高速显微摄影的景深、照明方式等几个关键技术问题。

It makes use of an optical system to focus an optical image onto a photosensitive surface of an electron gun which then converts the image into the electronic form, either as charge pattern on storage device or in non storing mode, traveling electrons.

它利用光学系统集中了光学图像感光表面上的电子枪，然后将影像转换成电子形式，无论是作为收费模式上的存储设备或在非存储模式，旅游电子。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。