平行光管是光学实验及计量检测的重要设备。
The collimator is an important equipment for optical experiment and standardization.
本文介绍了一种采用有机玻璃制成的无缝棱镜导光管并分析了其光学性能。
A cylindrical prism light guide made of PMMA is introduced in this paper and its performance is analyzed.
光学组件包括第一光管、第二光管及第三光管。
Optical module includes first light pipe, second light pipe, and third light pipe.
本发明的最大优点是缩短了光学组件的长度，有利于降低直光管的制造难度。
The major advantages of the present invention include shortened optical assembly length and easy manufacture of the straight collimator.
通过具体的实验对采用和不采用反射膜、采用不同反射率的反射膜时的无缝棱镜导光管的光学特性进行了比较。
The light-transporting efficiency and light distribution of the guide with and without reflective film that has different reflectivity is compared by experiments.
介绍一种紧凑的、能以较低输入光功率工作的光学双稳器件，由光电检测器、光纤定向耦合器和半导体激光二极管组合而成的。
A compact, low input power optical bistable device, combined with photodetector and optical fiber directional coupler and semiconductor laser diode, was presented.
综述了近年来碳纳米管光学性质的研究进展及其在光限幅中的应用，并对今后的研究方向作了展望。
In this paper, recent progress in the study of optical properties of carbon nanotubes and their applications in optical limiting were reviewed. Future directions were also forecasted.
研究结果表明：回波强度受导引头光路中光学镜头的相对孔径、摄像管靶面倾斜和离焦的影响较大；扫描激光光束的入射角等因素对回波强度也有一定的影响。
Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in TV seeker optical system reduce the intensity of the "cat's eye" reflection.
导光管照明计算是一个十分复杂的问题 ，国内外已有的导光管照明计算多建立在几何光学的基础上。
The lighting calculation of light guide is a complex problem, which is always based upon the geometric optics.
导光管照明计算是一个十分复杂的问题 ，国内外已有的导光管照明计算多建立在几何光学的基础上。
The lighting calculation of light guide is a complex problem, which is always based upon the geometric optics.
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