On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied.
结合物理学的基本原理和几何光学的基本规律以及光度学的基础理论等三方面，研究了单纤维在平行均匀光束垂轴入射时的光学性质。
But unfamiliar with Physics mass about optics,this article discuss photometry mass.
我们熟悉力学、热学、电磁学等方面的物理量,而对于光学方面的物理量,一般都比较陌生,本文主要对光度学量进行研讨。
Based on the photometry, the related methods and standards of LED s photometric test are studied, a system scheme is presented for measuring the luminous intensity distributio.
本论文基于相关光度学理论,通过对现有测量LED光度特性的各种方法和标准的研究,针对LED本身作为光源所特有的结构和光学特性,提出了LED发光强度空间分布特性的测量方法及其系统设计方案,讨论了相关的测试条件,确定了测试步骤,并且分析了影响测量结果精度的可能因素。
This article will introduce use of the latest photic-energy transfer and luminosity lighting by comparting the traditional lighting embellishment methods with the current mettiods.
本文通过对传统的与流行的灯光渲染方法的比较,重点介绍最新的光能传递和光度学灯光的使用方法。
visible absorption spectrophotometry
可见吸收分光光度学
ultraviolet absorption spectrophotometry
紫外吸收分光光度学
infrared microspectrophotometry
红外显微分光光度学
Photocells are also used in photometry and spectroscopy.
光电管也应用于光度学和光谱学。
Measurement of the properties of light, especially luminous intensity.
光度学，光测量光性质的测定，尤其是光强度的测定
optical flatness
光学光滑度;光学平度;光学平滑度;光学平直度
fiber-optics spectrophotometer
纤维光学分光光度计
high sensitive laser spectroscopy
高灵敏度激光光谱学
Study on the Optical Characteristic of FBG Temperature Sensor
光纤Bragg光栅温度传感器光学特性研究
Optics and optical instruments--Focimeters
GB17341-1998光学和光学仪器焦度计
multiple exposure interferometry
多次曝光干涉量度学
optical dividing head with projection readout
光学投影读数分度头
semi-automatic optical Brinell hardness tester
半自动光学布氏硬度计
optical transmission density
光学透射密度，即光学玻璃或器材的透光程度，是不透明度的对数
" Reflecting prisms--Optical axis, length of opticalaxis, axial section and optical parallelism"
GB/T7660.1-1987反射棱镜光轴、光轴长度、光轴截面与光学平行度
test methods for optical rotation of chemical products
化学产品光旋光度测定法
Optical depth and optical path are often confused in the literature.
文献中光学厚度和光程时常混淆。
The Optical Sphere which Can Bend Every Incident Ray through 180°
使入射光线偏转180度的光学介质球