双棱镜

The last decade of the 19th century is paved with milestones – inventions and design innovations that already look forward past the turn of the century: Metallographic microscopes, anastigmatic photolenses, binocular microscopes with image-reversing prisms, to name but a few.

发明与设计上的革新将蔡司公司推向了新的世纪。如金相显微镜、消像散照相镜头、带有图像正置棱镜的双筒目镜；这些只是众多革新中的一小部分。

From the appearance of binoculars, we can distinguish Roof prism system and Porro prism system.

从双筒望远镜外观上，我们可以直接区分出Roof棱镜系统和Porro棱镜系统。

Roof prism system and Porro prism system in the binoculars appearance has obviously different.

Roof棱镜系统和Porro棱镜系统在双筒望远镜外观上就有明显的不同。

The significant improvements over then competing designs being that he employed the improved glass prisms in an air spaced fashion in the form of the now traditional Porro binocular permitting a wider separation of the doublet objective lenses thereby resulting in markedly improved depth perception.

超越其他竞争方案的重大改进就是，在现在传统的普罗双望镜体空间内，使用了改进提高了的玻璃棱镜，使得两个物镜的基线距离能有更宽的分隔，从而明显提高了视觉深度。

How do we determine our binoculars used by the prism of the material it ?

我们如何判别我们所使用的双筒望远镜的棱镜的材质呢？

A new two frequency laser alignment system is developed which consists of two Wollaston prisms with the same structure. One is for measurement; another for compensation.

介绍了一种新型自适应双频激光准直系统，该系统利用了两个完全对称的渥拉斯顿棱镜，一个作为测量元件，另一个作为补偿元件。

The variance of the polarization state is measured with the Wollaston prism and the error is eliminated for the dual channel.

其中双平衡结构利用Wollaston棱镜检测偏转角，并用双路输出消除探测器误差带来的影响，可使分辨率提高到0.1°。

In this paper, several methods are put forward, by which axial resolution of scan microscope could be improved. One is that detecting method of ordinary laser feedback is improved, the orthogonal polarized lights split by Wollaston prism are detected separately, comparing to the ordinary feedback, the axial resolution is improved about 2.9 times.

提出并实验研究了几种可以提高激光反馈扫描显微镜轴向分辨率的方法，一种方法是对常规激光反馈实验中的探测技术进行了改进，用渥拉斯顿棱镜把垂直偏振光分开探测，轴向分辨率可以提高约 2 9倍；另一种方法是用双频激光器中产生的偏振态相互垂直的o光和e光作为反馈光代替了传统的单一光的反馈，轴向分辨率被提高了约 2倍；第三种方法是用双频激光器中产生的o光或e光作为反馈光，轴向分辨率可以提高约 2 5倍。

Prisms are commonly used in binoculars to change the direction of light.

棱镜通常被在双筒望远镜里使用改变光的指示。

Because the performance of the short wavelength single mode optical fiber should be higher, a multi-model optical fiber is used to produce quasi-single mode output, and a beam prism employed instead of the optical fiber splitter.

由于短波长单模光纤及其双波长光纤分束器件的要求比较高，而用多模光纤进行准单模输出调整，以及用分光棱镜进行光束的分光，同时用对双波长敏感的光致聚合物材料进行存储，其光谱灵敏度均匀，光谱范围互不重叠。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。